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-rw-r--r--drivers/hwmon/Kconfig10
-rw-r--r--drivers/hwmon/abituguru.c584
-rw-r--r--drivers/hwmon/abituguru3.c267
-rw-r--r--drivers/hwmon/ad7314.c12
-rw-r--r--drivers/hwmon/ad7414.c21
-rw-r--r--drivers/hwmon/ad7418.c25
-rw-r--r--drivers/hwmon/adcxx.c13
-rw-r--r--drivers/hwmon/adm1021.c97
-rw-r--r--drivers/hwmon/adm1025.c76
-rw-r--r--drivers/hwmon/adm1026.c504
-rw-r--r--drivers/hwmon/adm1029.c47
-rw-r--r--drivers/hwmon/adm1031.c73
-rw-r--r--drivers/hwmon/adm9240.c86
-rw-r--r--drivers/hwmon/ads1015.c13
-rw-r--r--drivers/hwmon/ads7828.c59
-rw-r--r--drivers/hwmon/ads7871.c39
-rw-r--r--drivers/hwmon/adt7411.c14
-rw-r--r--drivers/hwmon/adt7462.c30
-rw-r--r--drivers/hwmon/adt7470.c19
-rw-r--r--drivers/hwmon/adt7475.c105
-rw-r--r--drivers/hwmon/amc6821.c74
-rw-r--r--drivers/hwmon/applesmc.c14
-rw-r--r--drivers/hwmon/asb100.c200
-rw-r--r--drivers/hwmon/asc7621.c8
-rw-r--r--drivers/hwmon/asus_atk0110.c18
-rw-r--r--drivers/hwmon/atxp1.c173
-rw-r--r--drivers/hwmon/coretemp.c4
-rw-r--r--drivers/hwmon/dme1737.c506
-rw-r--r--drivers/hwmon/ds1621.c93
-rw-r--r--drivers/hwmon/ds620.c13
-rw-r--r--drivers/hwmon/emc1403.c25
-rw-r--r--drivers/hwmon/emc2103.c63
-rw-r--r--drivers/hwmon/emc6w201.c12
-rw-r--r--drivers/hwmon/f71805f.c201
-rw-r--r--drivers/hwmon/f71882fg.c63
-rw-r--r--drivers/hwmon/f75375s.c13
-rw-r--r--drivers/hwmon/fschmd.c231
-rw-r--r--drivers/hwmon/g760a.c48
-rw-r--r--drivers/hwmon/gl518sm.c115
-rw-r--r--drivers/hwmon/gl520sm.c243
-rw-r--r--drivers/hwmon/hwmon-vid.c159
-rw-r--r--drivers/hwmon/hwmon.c25
-rw-r--r--drivers/hwmon/i5k_amb.c18
-rw-r--r--drivers/hwmon/ibmaem.c2
-rw-r--r--drivers/hwmon/it87.c176
-rw-r--r--drivers/hwmon/jc42.c97
-rw-r--r--drivers/hwmon/k10temp.c2
-rw-r--r--drivers/hwmon/k8temp.c17
-rw-r--r--drivers/hwmon/lineage-pem.c24
-rw-r--r--drivers/hwmon/lm63.c13
-rw-r--r--drivers/hwmon/lm70.c38
-rw-r--r--drivers/hwmon/lm73.c15
-rw-r--r--drivers/hwmon/lm75.c17
-rw-r--r--drivers/hwmon/lm77.c172
-rw-r--r--drivers/hwmon/lm78.c206
-rw-r--r--drivers/hwmon/lm80.c247
-rw-r--r--drivers/hwmon/lm83.c30
-rw-r--r--drivers/hwmon/lm85.c374
-rw-r--r--drivers/hwmon/lm87.c958
-rw-r--r--drivers/hwmon/lm90.c13
-rw-r--r--drivers/hwmon/lm92.c111
-rw-r--r--drivers/hwmon/lm93.c696
-rw-r--r--drivers/hwmon/lm95241.c13
-rw-r--r--drivers/hwmon/lm95245.c13
-rw-r--r--drivers/hwmon/ltc4151.c16
-rw-r--r--drivers/hwmon/ltc4215.c28
-rw-r--r--drivers/hwmon/ltc4245.c22
-rw-r--r--drivers/hwmon/ltc4261.c28
-rw-r--r--drivers/hwmon/max1111.c15
-rw-r--r--drivers/hwmon/max16065.c36
-rw-r--r--drivers/hwmon/max1619.c34
-rw-r--r--drivers/hwmon/max1668.c51
-rw-r--r--drivers/hwmon/max6639.c13
-rw-r--r--drivers/hwmon/max6642.c13
-rw-r--r--drivers/hwmon/max6650.c177
-rw-r--r--drivers/hwmon/pc87360.c602
-rw-r--r--drivers/hwmon/pc87427.c72
-rw-r--r--drivers/hwmon/pcf8591.c143
-rw-r--r--drivers/hwmon/pmbus/Kconfig17
-rw-r--r--drivers/hwmon/pmbus/adm1275.c124
-rw-r--r--drivers/hwmon/pmbus/lm25066.c46
-rw-r--r--drivers/hwmon/pmbus/ltc2978.c50
-rw-r--r--drivers/hwmon/pmbus/max16064.c20
-rw-r--r--drivers/hwmon/pmbus/max34440.c139
-rw-r--r--drivers/hwmon/pmbus/max8688.c20
-rw-r--r--drivers/hwmon/pmbus/pmbus.c40
-rw-r--r--drivers/hwmon/pmbus/pmbus.h57
-rw-r--r--drivers/hwmon/pmbus/pmbus_core.c87
-rw-r--r--drivers/hwmon/pmbus/ucd9000.c47
-rw-r--r--drivers/hwmon/pmbus/ucd9200.c43
-rw-r--r--drivers/hwmon/pmbus/zl6100.c44
-rw-r--r--drivers/hwmon/sch5627.c11
-rw-r--r--drivers/hwmon/sch5636.c11
-rw-r--r--drivers/hwmon/sch56xx-common.c519
-rw-r--r--drivers/hwmon/sch56xx-common.h10
-rw-r--r--drivers/hwmon/sht15.c2
-rw-r--r--drivers/hwmon/sht21.c23
-rw-r--r--drivers/hwmon/sis5595.c307
-rw-r--r--drivers/hwmon/smm665.c34
-rw-r--r--drivers/hwmon/smsc47b397.c64
-rw-r--r--drivers/hwmon/smsc47m1.c291
-rw-r--r--drivers/hwmon/smsc47m192.c145
-rw-r--r--drivers/hwmon/thmc50.c84
-rw-r--r--drivers/hwmon/tmp102.c12
-rw-r--r--drivers/hwmon/tmp401.c13
-rw-r--r--drivers/hwmon/tmp421.c13
-rw-r--r--drivers/hwmon/ultra45_env.c34
-rw-r--r--drivers/hwmon/via686a.c357
-rw-r--r--drivers/hwmon/vt1211.c389
-rw-r--r--drivers/hwmon/vt8231.c285
-rw-r--r--drivers/hwmon/w83627ehf.c261
-rw-r--r--drivers/hwmon/w83627hf.c272
-rw-r--r--drivers/hwmon/w83781d.c475
-rw-r--r--drivers/hwmon/w83791d.c331
-rw-r--r--drivers/hwmon/w83792d.c397
-rw-r--r--drivers/hwmon/w83793.c453
-rw-r--r--drivers/hwmon/w83795.c13
-rw-r--r--drivers/hwmon/w83l785ts.c30
-rw-r--r--drivers/hwmon/w83l786ng.c190
-rw-r--r--drivers/hwmon/wm831x-hwmon.c8
-rw-r--r--drivers/hwmon/wm8350-hwmon.c2
121 files changed, 8489 insertions, 6178 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index dad895fec62..811e6c47e7e 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -598,11 +598,11 @@ config SENSORS_LM78
will be called lm78.
config SENSORS_LM80
- tristate "National Semiconductor LM80"
+ tristate "National Semiconductor LM80 and LM96080"
depends on I2C
help
If you say yes here you get support for National Semiconductor
- LM80 sensor chips.
+ LM80 and LM96080 sensor chips.
This driver can also be built as a module. If so, the module
will be called lm80.
@@ -1028,7 +1028,8 @@ config SENSORS_SCH5627
select SENSORS_SCH56XX_COMMON
help
If you say yes here you get support for the hardware monitoring
- features of the SMSC SCH5627 Super-I/O chip.
+ features of the SMSC SCH5627 Super-I/O chip including support for
+ the integrated watchdog.
This driver can also be built as a module. If so, the module
will be called sch5627.
@@ -1044,7 +1045,8 @@ config SENSORS_SCH5636
Currently this driver only supports the Fujitsu Theseus SCH5636 based
hwmon solution. Say yes here if you want support for the Fujitsu
- Theseus' hardware monitoring features.
+ Theseus' hardware monitoring features including support for the
+ integrated watchdog.
This driver can also be built as a module. If so, the module
will be called sch5636.
diff --git a/drivers/hwmon/abituguru.c b/drivers/hwmon/abituguru.c
index 3b728e8f169..a72bf25601a 100644
--- a/drivers/hwmon/abituguru.c
+++ b/drivers/hwmon/abituguru.c
@@ -1,25 +1,25 @@
/*
- abituguru.c Copyright (c) 2005-2006 Hans de Goede <hdegoede@redhat.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * abituguru.c Copyright (c) 2005-2006 Hans de Goede <hdegoede@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
/*
- This driver supports the sensor part of the first and second revision of
- the custom Abit uGuru chip found on Abit uGuru motherboards. Note: because
- of lack of specs the CPU/RAM voltage & frequency control is not supported!
-*/
+ * This driver supports the sensor part of the first and second revision of
+ * the custom Abit uGuru chip found on Abit uGuru motherboards. Note: because
+ * of lack of specs the CPU/RAM voltage & frequency control is not supported!
+ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -44,8 +44,10 @@
#define ABIT_UGURU_SENSOR_BANK2 0x26 /* fans */
/* max nr of sensors in bank1, a bank1 sensor can be in, temp or nc */
#define ABIT_UGURU_MAX_BANK1_SENSORS 16
-/* Warning if you increase one of the 2 MAX defines below to 10 or higher you
- should adjust the belonging _NAMES_LENGTH macro for the 2 digit number! */
+/*
+ * Warning if you increase one of the 2 MAX defines below to 10 or higher you
+ * should adjust the belonging _NAMES_LENGTH macro for the 2 digit number!
+ */
/* max nr of sensors in bank2, currently mb's with max 6 fans are known */
#define ABIT_UGURU_MAX_BANK2_SENSORS 6
/* max nr of pwm outputs, currently mb's with max 5 pwm outputs are known */
@@ -70,16 +72,22 @@
#define ABIT_UGURU_IN_SENSOR 0
#define ABIT_UGURU_TEMP_SENSOR 1
#define ABIT_UGURU_NC 2
-/* In many cases we need to wait for the uGuru to reach a certain status, most
- of the time it will reach this status within 30 - 90 ISA reads, and thus we
- can best busy wait. This define gives the total amount of reads to try. */
+/*
+ * In many cases we need to wait for the uGuru to reach a certain status, most
+ * of the time it will reach this status within 30 - 90 ISA reads, and thus we
+ * can best busy wait. This define gives the total amount of reads to try.
+ */
#define ABIT_UGURU_WAIT_TIMEOUT 125
-/* However sometimes older versions of the uGuru seem to be distracted and they
- do not respond for a long time. To handle this we sleep before each of the
- last ABIT_UGURU_WAIT_TIMEOUT_SLEEP tries. */
+/*
+ * However sometimes older versions of the uGuru seem to be distracted and they
+ * do not respond for a long time. To handle this we sleep before each of the
+ * last ABIT_UGURU_WAIT_TIMEOUT_SLEEP tries.
+ */
#define ABIT_UGURU_WAIT_TIMEOUT_SLEEP 5
-/* Normally all expected status in abituguru_ready, are reported after the
- first read, but sometimes not and we need to poll. */
+/*
+ * Normally all expected status in abituguru_ready, are reported after the
+ * first read, but sometimes not and we need to poll.
+ */
#define ABIT_UGURU_READY_TIMEOUT 5
/* Maximum 3 retries on timedout reads/writes, delay 200 ms before retrying */
#define ABIT_UGURU_MAX_RETRIES 3
@@ -92,17 +100,25 @@
if (level <= verbose) \
printk(KERN_DEBUG ABIT_UGURU_NAME ": " format , ## arg)
/* Macros to help calculate the sysfs_names array length */
-/* sum of strlen of: in??_input\0, in??_{min,max}\0, in??_{min,max}_alarm\0,
- in??_{min,max}_alarm_enable\0, in??_beep\0, in??_shutdown\0 */
+/*
+ * sum of strlen of: in??_input\0, in??_{min,max}\0, in??_{min,max}_alarm\0,
+ * in??_{min,max}_alarm_enable\0, in??_beep\0, in??_shutdown\0
+ */
#define ABITUGURU_IN_NAMES_LENGTH (11 + 2 * 9 + 2 * 15 + 2 * 22 + 10 + 14)
-/* sum of strlen of: temp??_input\0, temp??_max\0, temp??_crit\0,
- temp??_alarm\0, temp??_alarm_enable\0, temp??_beep\0, temp??_shutdown\0 */
+/*
+ * sum of strlen of: temp??_input\0, temp??_max\0, temp??_crit\0,
+ * temp??_alarm\0, temp??_alarm_enable\0, temp??_beep\0, temp??_shutdown\0
+ */
#define ABITUGURU_TEMP_NAMES_LENGTH (13 + 11 + 12 + 13 + 20 + 12 + 16)
-/* sum of strlen of: fan?_input\0, fan?_min\0, fan?_alarm\0,
- fan?_alarm_enable\0, fan?_beep\0, fan?_shutdown\0 */
+/*
+ * sum of strlen of: fan?_input\0, fan?_min\0, fan?_alarm\0,
+ * fan?_alarm_enable\0, fan?_beep\0, fan?_shutdown\0
+ */
#define ABITUGURU_FAN_NAMES_LENGTH (11 + 9 + 11 + 18 + 10 + 14)
-/* sum of strlen of: pwm?_enable\0, pwm?_auto_channels_temp\0,
- pwm?_auto_point{1,2}_pwm\0, pwm?_auto_point{1,2}_temp\0 */
+/*
+ * sum of strlen of: pwm?_enable\0, pwm?_auto_channels_temp\0,
+ * pwm?_auto_point{1,2}_pwm\0, pwm?_auto_point{1,2}_temp\0
+ */
#define ABITUGURU_PWM_NAMES_LENGTH (12 + 24 + 2 * 21 + 2 * 22)
/* IN_NAMES_LENGTH > TEMP_NAMES_LENGTH so assume all bank1 sensors are in */
#define ABITUGURU_SYSFS_NAMES_LENGTH ( \
@@ -110,10 +126,12 @@
ABIT_UGURU_MAX_BANK2_SENSORS * ABITUGURU_FAN_NAMES_LENGTH + \
ABIT_UGURU_MAX_PWMS * ABITUGURU_PWM_NAMES_LENGTH)
-/* All the macros below are named identical to the oguru and oguru2 programs
- reverse engineered by Olle Sandberg, hence the names might not be 100%
- logical. I could come up with better names, but I prefer keeping the names
- identical so that this driver can be compared with his work more easily. */
+/*
+ * All the macros below are named identical to the oguru and oguru2 programs
+ * reverse engineered by Olle Sandberg, hence the names might not be 100%
+ * logical. I could come up with better names, but I prefer keeping the names
+ * identical so that this driver can be compared with his work more easily.
+ */
/* Two i/o-ports are used by uGuru */
#define ABIT_UGURU_BASE 0x00E0
/* Used to tell uGuru what to read and to read the actual data */
@@ -130,16 +148,22 @@
/* Constants */
/* in (Volt) sensors go up to 3494 mV, temp to 255000 millidegrees Celsius */
static const int abituguru_bank1_max_value[2] = { 3494, 255000 };
-/* Min / Max allowed values for sensor2 (fan) alarm threshold, these values
- correspond to 300-3000 RPM */
+/*
+ * Min / Max allowed values for sensor2 (fan) alarm threshold, these values
+ * correspond to 300-3000 RPM
+ */
static const u8 abituguru_bank2_min_threshold = 5;
static const u8 abituguru_bank2_max_threshold = 50;
-/* Register 0 is a bitfield, 1 and 2 are pwm settings (255 = 100%), 3 and 4
- are temperature trip points. */
+/*
+ * Register 0 is a bitfield, 1 and 2 are pwm settings (255 = 100%), 3 and 4
+ * are temperature trip points.
+ */
static const int abituguru_pwm_settings_multiplier[5] = { 0, 1, 1, 1000, 1000 };
-/* Min / Max allowed values for pwm_settings. Note: pwm1 (CPU fan) is a
- special case the minium allowed pwm% setting for this is 30% (77) on
- some MB's this special case is handled in the code! */
+/*
+ * Min / Max allowed values for pwm_settings. Note: pwm1 (CPU fan) is a
+ * special case the minium allowed pwm% setting for this is 30% (77) on
+ * some MB's this special case is handled in the code!
+ */
static const u8 abituguru_pwm_min[5] = { 0, 170, 170, 25, 25 };
static const u8 abituguru_pwm_max[5] = { 0, 255, 255, 75, 75 };
@@ -175,23 +199,29 @@ MODULE_PARM_DESC(verbose, "How verbose should the driver be? (0-3):\n"
" 3 + retryable error reporting");
-/* For the Abit uGuru, we need to keep some data in memory.
- The structure is dynamically allocated, at the same time when a new
- abituguru device is allocated. */
+/*
+ * For the Abit uGuru, we need to keep some data in memory.
+ * The structure is dynamically allocated, at the same time when a new
+ * abituguru device is allocated.
+ */
struct abituguru_data {
struct device *hwmon_dev; /* hwmon registered device */
struct mutex update_lock; /* protect access to data and uGuru */
unsigned long last_updated; /* In jiffies */
unsigned short addr; /* uguru base address */
char uguru_ready; /* is the uguru in ready state? */
- unsigned char update_timeouts; /* number of update timeouts since last
- successful update */
-
- /* The sysfs attr and their names are generated automatically, for bank1
- we cannot use a predefined array because we don't know beforehand
- of a sensor is a volt or a temp sensor, for bank2 and the pwms its
- easier todo things the same way. For in sensors we have 9 (temp 7)
- sysfs entries per sensor, for bank2 and pwms 6. */
+ unsigned char update_timeouts; /*
+ * number of update timeouts since last
+ * successful update
+ */
+
+ /*
+ * The sysfs attr and their names are generated automatically, for bank1
+ * we cannot use a predefined array because we don't know beforehand
+ * of a sensor is a volt or a temp sensor, for bank2 and the pwms its
+ * easier todo things the same way. For in sensors we have 9 (temp 7)
+ * sysfs entries per sensor, for bank2 and pwms 6.
+ */
struct sensor_device_attribute_2 sysfs_attr[
ABIT_UGURU_MAX_BANK1_SENSORS * 9 +
ABIT_UGURU_MAX_BANK2_SENSORS * 6 + ABIT_UGURU_MAX_PWMS * 6];
@@ -203,11 +233,15 @@ struct abituguru_data {
u8 bank1_sensors[2];
u8 bank1_address[2][ABIT_UGURU_MAX_BANK1_SENSORS];
u8 bank1_value[ABIT_UGURU_MAX_BANK1_SENSORS];
- /* This array holds 3 entries per sensor for the bank 1 sensor settings
- (flags, min, max for voltage / flags, warn, shutdown for temp). */
+ /*
+ * This array holds 3 entries per sensor for the bank 1 sensor settings
+ * (flags, min, max for voltage / flags, warn, shutdown for temp).
+ */
u8 bank1_settings[ABIT_UGURU_MAX_BANK1_SENSORS][3];
- /* Maximum value for each sensor used for scaling in mV/millidegrees
- Celsius. */
+ /*
+ * Maximum value for each sensor used for scaling in mV/millidegrees
+ * Celsius.
+ */
int bank1_max_value[ABIT_UGURU_MAX_BANK1_SENSORS];
/* Bank 2 data, ABIT_UGURU_MAX_BANK2_SENSORS entries for bank2 */
@@ -236,8 +270,10 @@ static int abituguru_wait(struct abituguru_data *data, u8 state)
timeout--;
if (timeout == 0)
return -EBUSY;
- /* sleep a bit before our last few tries, see the comment on
- this where ABIT_UGURU_WAIT_TIMEOUT_SLEEP is defined. */
+ /*
+ * sleep a bit before our last few tries, see the comment on
+ * this where ABIT_UGURU_WAIT_TIMEOUT_SLEEP is defined.
+ */
if (timeout <= ABIT_UGURU_WAIT_TIMEOUT_SLEEP)
msleep(0);
}
@@ -273,8 +309,10 @@ static int abituguru_ready(struct abituguru_data *data)
msleep(0);
}
- /* After this the ABIT_UGURU_DATA port should contain
- ABIT_UGURU_STATUS_INPUT */
+ /*
+ * After this the ABIT_UGURU_DATA port should contain
+ * ABIT_UGURU_STATUS_INPUT
+ */
timeout = ABIT_UGURU_READY_TIMEOUT;
while (inb_p(data->addr + ABIT_UGURU_DATA) != ABIT_UGURU_STATUS_INPUT) {
timeout--;
@@ -290,27 +328,35 @@ static int abituguru_ready(struct abituguru_data *data)
return 0;
}
-/* Send the bank and then sensor address to the uGuru for the next read/write
- cycle. This function gets called as the first part of a read/write by
- abituguru_read and abituguru_write. This function should never be
- called by any other function. */
+/*
+ * Send the bank and then sensor address to the uGuru for the next read/write
+ * cycle. This function gets called as the first part of a read/write by
+ * abituguru_read and abituguru_write. This function should never be
+ * called by any other function.
+ */
static int abituguru_send_address(struct abituguru_data *data,
u8 bank_addr, u8 sensor_addr, int retries)
{
- /* assume the caller does error handling itself if it has not requested
- any retries, and thus be quiet. */
+ /*
+ * assume the caller does error handling itself if it has not requested
+ * any retries, and thus be quiet.
+ */
int report_errors = retries;
for (;;) {
- /* Make sure the uguru is ready and then send the bank address,
- after this the uguru is no longer "ready". */
+ /*
+ * Make sure the uguru is ready and then send the bank address,
+ * after this the uguru is no longer "ready".
+ */
if (abituguru_ready(data) != 0)
return -EIO;
outb(bank_addr, data->addr + ABIT_UGURU_DATA);
data->uguru_ready = 0;
- /* Wait till the uguru is ABIT_UGURU_STATUS_INPUT state again
- and send the sensor addr */
+ /*
+ * Wait till the uguru is ABIT_UGURU_STATUS_INPUT state again
+ * and send the sensor addr
+ */
if (abituguru_wait(data, ABIT_UGURU_STATUS_INPUT)) {
if (retries) {
ABIT_UGURU_DEBUG(3, "timeout exceeded "
@@ -332,8 +378,10 @@ static int abituguru_send_address(struct abituguru_data *data,
}
}
-/* Read count bytes from sensor sensor_addr in bank bank_addr and store the
- result in buf, retry the send address part of the read retries times. */
+/*
+ * Read count bytes from sensor sensor_addr in bank bank_addr and store the
+ * result in buf, retry the send address part of the read retries times.
+ */
static int abituguru_read(struct abituguru_data *data,
u8 bank_addr, u8 sensor_addr, u8 *buf, int count, int retries)
{
@@ -362,13 +410,17 @@ static int abituguru_read(struct abituguru_data *data,
return i;
}
-/* Write count bytes from buf to sensor sensor_addr in bank bank_addr, the send
- address part of the write is always retried ABIT_UGURU_MAX_RETRIES times. */
+/*
+ * Write count bytes from buf to sensor sensor_addr in bank bank_addr, the send
+ * address part of the write is always retried ABIT_UGURU_MAX_RETRIES times.
+ */
static int abituguru_write(struct abituguru_data *data,
u8 bank_addr, u8 sensor_addr, u8 *buf, int count)
{
- /* We use the ready timeout as we have to wait for 0xAC just like the
- ready function */
+ /*
+ * We use the ready timeout as we have to wait for 0xAC just like the
+ * ready function
+ */
int i, timeout = ABIT_UGURU_READY_TIMEOUT;
/* Send the address */
@@ -388,9 +440,11 @@ static int abituguru_write(struct abituguru_data *data,
outb(buf[i], data->addr + ABIT_UGURU_CMD);
}
- /* Now we need to wait till the chip is ready to be read again,
- so that we can read 0xAC as confirmation that our write has
- succeeded. */
+ /*
+ * Now we need to wait till the chip is ready to be read again,
+ * so that we can read 0xAC as confirmation that our write has
+ * succeeded.
+ */
if (abituguru_wait(data, ABIT_UGURU_STATUS_READ)) {
ABIT_UGURU_DEBUG(1, "timeout exceeded waiting for read state "
"after write (bank: %d, sensor: %d)\n", (int)bank_addr,
@@ -416,12 +470,14 @@ static int abituguru_write(struct abituguru_data *data,
return i;
}
-/* Detect sensor type. Temp and Volt sensors are enabled with
- different masks and will ignore enable masks not meant for them.
- This enables us to test what kind of sensor we're dealing with.
- By setting the alarm thresholds so that we will always get an
- alarm for sensor type X and then enabling the sensor as sensor type
- X, if we then get an alarm it is a sensor of type X. */
+/*
+ * Detect sensor type. Temp and Volt sensors are enabled with
+ * different masks and will ignore enable masks not meant for them.
+ * This enables us to test what kind of sensor we're dealing with.
+ * By setting the alarm thresholds so that we will always get an
+ * alarm for sensor type X and then enabling the sensor as sensor type
+ * X, if we then get an alarm it is a sensor of type X.
+ */
static int __devinit
abituguru_detect_bank1_sensor_type(struct abituguru_data *data,
u8 sensor_addr)
@@ -448,16 +504,20 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data,
pr_warn("bank1-sensor: %d reading (%d) too close to limits, "
"unable to determine sensor type, skipping sensor\n",
(int)sensor_addr, (int)val);
- /* assume no sensor is there for sensors for which we can't
- determine the sensor type because their reading is too close
- to their limits, this usually means no sensor is there. */
+ /*
+ * assume no sensor is there for sensors for which we can't
+ * determine the sensor type because their reading is too close
+ * to their limits, this usually means no sensor is there.
+ */
return ABIT_UGURU_NC;
}
ABIT_UGURU_DEBUG(2, "testing bank1 sensor %d\n", (int)sensor_addr);
- /* Volt sensor test, enable volt low alarm, set min value ridicously
- high, or vica versa if the reading is very high. If its a volt
- sensor this should always give us an alarm. */
+ /*
+ * Volt sensor test, enable volt low alarm, set min value ridicously
+ * high, or vica versa if the reading is very high. If its a volt
+ * sensor this should always give us an alarm.
+ */
if (val <= 240u) {
buf[0] = ABIT_UGURU_VOLT_LOW_ALARM_ENABLE;
buf[1] = 245;
@@ -473,8 +533,10 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data,
if (abituguru_write(data, ABIT_UGURU_SENSOR_BANK1 + 2, sensor_addr,
buf, 3) != 3)
goto abituguru_detect_bank1_sensor_type_exit;
- /* Now we need 20 ms to give the uguru time to read the sensors
- and raise a voltage alarm */
+ /*
+ * Now we need 20 ms to give the uguru time to read the sensors
+ * and raise a voltage alarm
+ */
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(HZ/50);
/* Check for alarm and check the alarm is a volt low alarm. */
@@ -497,17 +559,21 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data,
ABIT_UGURU_DEBUG(2, " alarm not raised during volt sensor "
"test\n");
- /* Temp sensor test, enable sensor as a temp sensor, set beep value
- ridicously low (but not too low, otherwise uguru ignores it).
- If its a temp sensor this should always give us an alarm. */
+ /*
+ * Temp sensor test, enable sensor as a temp sensor, set beep value
+ * ridicously low (but not too low, otherwise uguru ignores it).
+ * If its a temp sensor this should always give us an alarm.
+ */
buf[0] = ABIT_UGURU_TEMP_HIGH_ALARM_ENABLE;
buf[1] = 5;
buf[2] = 10;
if (abituguru_write(data, ABIT_UGURU_SENSOR_BANK1 + 2, sensor_addr,
buf, 3) != 3)
goto abituguru_detect_bank1_sensor_type_exit;
- /* Now we need 50 ms to give the uguru time to read the sensors
- and raise a temp alarm */
+ /*
+ * Now we need 50 ms to give the uguru time to read the sensors
+ * and raise a temp alarm
+ */
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(HZ/20);
/* Check for alarm and check the alarm is a temp high alarm. */
@@ -532,9 +598,11 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data,
ret = ABIT_UGURU_NC;
abituguru_detect_bank1_sensor_type_exit:
- /* Restore original settings, failing here is really BAD, it has been
- reported that some BIOS-es hang when entering the uGuru menu with
- invalid settings present in the uGuru, so we try this 3 times. */
+ /*
+ * Restore original settings, failing here is really BAD, it has been
+ * reported that some BIOS-es hang when entering the uGuru menu with
+ * invalid settings present in the uGuru, so we try this 3 times.
+ */
for (i = 0; i < 3; i++)
if (abituguru_write(data, ABIT_UGURU_SENSOR_BANK1 + 2,
sensor_addr, data->bank1_settings[sensor_addr],
@@ -548,23 +616,25 @@ abituguru_detect_bank1_sensor_type_exit:
return ret;
}
-/* These functions try to find out how many sensors there are in bank2 and how
- many pwms there are. The purpose of this is to make sure that we don't give
- the user the possibility to change settings for non-existent sensors / pwm.
- The uGuru will happily read / write whatever memory happens to be after the
- memory storing the PWM settings when reading/writing to a PWM which is not
- there. Notice even if we detect a PWM which doesn't exist we normally won't
- write to it, unless the user tries to change the settings.
-
- Although the uGuru allows reading (settings) from non existing bank2
- sensors, my version of the uGuru does seem to stop writing to them, the
- write function above aborts in this case with:
- "CMD reg does not hold 0xAC after write"
-
- Notice these 2 tests are non destructive iow read-only tests, otherwise
- they would defeat their purpose. Although for the bank2_sensors detection a
- read/write test would be feasible because of the reaction above, I've
- however opted to stay on the safe side. */
+/*
+ * These functions try to find out how many sensors there are in bank2 and how
+ * many pwms there are. The purpose of this is to make sure that we don't give
+ * the user the possibility to change settings for non-existent sensors / pwm.
+ * The uGuru will happily read / write whatever memory happens to be after the
+ * memory storing the PWM settings when reading/writing to a PWM which is not
+ * there. Notice even if we detect a PWM which doesn't exist we normally won't
+ * write to it, unless the user tries to change the settings.
+ *
+ * Although the uGuru allows reading (settings) from non existing bank2
+ * sensors, my version of the uGuru does seem to stop writing to them, the
+ * write function above aborts in this case with:
+ * "CMD reg does not hold 0xAC after write"
+ *
+ * Notice these 2 tests are non destructive iow read-only tests, otherwise
+ * they would defeat their purpose. Although for the bank2_sensors detection a
+ * read/write test would be feasible because of the reaction above, I've
+ * however opted to stay on the safe side.
+ */
static void __devinit
abituguru_detect_no_bank2_sensors(struct abituguru_data *data)
{
@@ -580,12 +650,14 @@ abituguru_detect_no_bank2_sensors(struct abituguru_data *data)
ABIT_UGURU_DEBUG(2, "detecting number of fan sensors\n");
for (i = 0; i < ABIT_UGURU_MAX_BANK2_SENSORS; i++) {
- /* 0x89 are the known used bits:
- -0x80 enable shutdown
- -0x08 enable beep
- -0x01 enable alarm
- All other bits should be 0, but on some motherboards
- 0x40 (bit 6) is also high for some of the fans?? */
+ /*
+ * 0x89 are the known used bits:
+ * -0x80 enable shutdown
+ * -0x08 enable beep
+ * -0x01 enable alarm
+ * All other bits should be 0, but on some motherboards
+ * 0x40 (bit 6) is also high for some of the fans??
+ */
if (data->bank2_settings[i][0] & ~0xC9) {
ABIT_UGURU_DEBUG(2, " bank2 sensor %d does not seem "
"to be a fan sensor: settings[0] = %02X\n",
@@ -633,9 +705,11 @@ abituguru_detect_no_pwms(struct abituguru_data *data)
ABIT_UGURU_DEBUG(2, "detecting number of PWM outputs\n");
for (i = 0; i < ABIT_UGURU_MAX_PWMS; i++) {
- /* 0x80 is the enable bit and the low
- nibble is which temp sensor to use,
- the other bits should be 0 */
+ /*
+ * 0x80 is the enable bit and the low
+ * nibble is which temp sensor to use,
+ * the other bits should be 0
+ */
if (data->pwm_settings[i][0] & ~0x8F) {
ABIT_UGURU_DEBUG(2, " pwm channel %d does not seem "
"to be a pwm channel: settings[0] = %02X\n",
@@ -643,8 +717,10 @@ abituguru_detect_no_pwms(struct abituguru_data *data)
break;
}
- /* the low nibble must correspond to one of the temp sensors
- we've found */
+ /*
+ * the low nibble must correspond to one of the temp sensors
+ * we've found
+ */
for (j = 0; j < data->bank1_sensors[ABIT_UGURU_TEMP_SENSOR];
j++) {
if (data->bank1_address[ABIT_UGURU_TEMP_SENSOR][j] ==
@@ -711,9 +787,11 @@ abituguru_detect_no_pwms_exit:
ABIT_UGURU_DEBUG(2, " found: %d PWM outputs\n", (int)data->pwms);
}
-/* Following are the sysfs callback functions. These functions expect:
- sensor_device_attribute_2->index: sensor address/offset in the bank
- sensor_device_attribute_2->nr: register offset, bitmask or NA. */
+/*
+ * Following are the sysfs callback functions. These functions expect:
+ * sensor_device_attribute_2->index: sensor address/offset in the bank
+ * sensor_device_attribute_2->nr: register offset, bitmask or NA.
+ */
static struct abituguru_data *abituguru_update_device(struct device *dev);
static ssize_t show_bank1_value(struct device *dev,
@@ -763,10 +841,18 @@ static ssize_t store_bank1_setting(struct device *dev, struct device_attribute
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
- u8 val = (simple_strtoul(buf, NULL, 10) * 255 +
- data->bank1_max_value[attr->index]/2) /
+ unsigned long val;
+ ssize_t ret;
+
+ ret = kstrtoul(buf, 10, &val);
+ if (ret)
+ return ret;
+
+ ret = count;
+ val = (val * 255 + data->bank1_max_value[attr->index] / 2) /
data->bank1_max_value[attr->index];
- ssize_t ret = count;
+ if (val > 255)
+ return -EINVAL;
mutex_lock(&data->update_lock);
if (data->bank1_settings[attr->index][attr->nr] != val) {
@@ -788,13 +874,19 @@ static ssize_t store_bank2_setting(struct device *dev, struct device_attribute
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
- u8 val = (simple_strtoul(buf, NULL, 10)*255 + ABIT_UGURU_FAN_MAX/2) /
- ABIT_UGURU_FAN_MAX;
- ssize_t ret = count;
+ unsigned long val;
+ ssize_t ret;
+
+ ret = kstrtoul(buf, 10, &val);
+ if (ret)
+ return ret;
+
+ ret = count;
+ val = (val * 255 + ABIT_UGURU_FAN_MAX / 2) / ABIT_UGURU_FAN_MAX;
/* this check can be done before taking the lock */
- if ((val < abituguru_bank2_min_threshold) ||
- (val > abituguru_bank2_max_threshold))
+ if (val < abituguru_bank2_min_threshold ||
+ val > abituguru_bank2_max_threshold)
return -EINVAL;
mutex_lock(&data->update_lock);
@@ -819,11 +911,13 @@ static ssize_t show_bank1_alarm(struct device *dev,
struct abituguru_data *data = abituguru_update_device(dev);
if (!data)
return -EIO;
- /* See if the alarm bit for this sensor is set, and if the
- alarm matches the type of alarm we're looking for (for volt
- it can be either low or high). The type is stored in a few
- readonly bits in the settings part of the relevant sensor.
- The bitmask of the type is passed to us in attr->nr. */
+ /*
+ * See if the alarm bit for this sensor is set, and if the
+ * alarm matches the type of alarm we're looking for (for volt
+ * it can be either low or high). The type is stored in a few
+ * readonly bits in the settings part of the relevant sensor.
+ * The bitmask of the type is passed to us in attr->nr.
+ */
if ((data->alarms[attr->index / 8] & (0x01 << (attr->index % 8))) &&
(data->bank1_settings[attr->index][0] & attr->nr))
return sprintf(buf, "1\n");
@@ -871,10 +965,15 @@ static ssize_t store_bank1_mask(struct device *dev,
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
- int mask = simple_strtoul(buf, NULL, 10);
- ssize_t ret = count;
+ ssize_t ret;
u8 orig_val;
+ unsigned long mask;
+
+ ret = kstrtoul(buf, 10, &mask);
+ if (ret)
+ return ret;
+ ret = count;
mutex_lock(&data->update_lock);
orig_val = data->bank1_settings[attr->index][0];
@@ -899,10 +998,15 @@ static ssize_t store_bank2_mask(struct device *dev,
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
- int mask = simple_strtoul(buf, NULL, 10);
- ssize_t ret = count;
+ ssize_t ret;
u8 orig_val;
+ unsigned long mask;
+ ret = kstrtoul(buf, 10, &mask);
+ if (ret)
+ return ret;
+
+ ret = count;
mutex_lock(&data->update_lock);
orig_val = data->bank2_settings[attr->index][0];
@@ -937,10 +1041,17 @@ static ssize_t store_pwm_setting(struct device *dev, struct device_attribute
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
- u8 min, val = (simple_strtoul(buf, NULL, 10) +
- abituguru_pwm_settings_multiplier[attr->nr]/2) /
- abituguru_pwm_settings_multiplier[attr->nr];
- ssize_t ret = count;
+ u8 min;
+ unsigned long val;
+ ssize_t ret;
+
+ ret = kstrtoul(buf, 10, &val);
+ if (ret)
+ return ret;
+
+ ret = count;
+ val = (val + abituguru_pwm_settings_multiplier[attr->nr] / 2) /
+ abituguru_pwm_settings_multiplier[attr->nr];
/* special case pwm1 min pwm% */
if ((attr->index == 0) && ((attr->nr == 1) || (attr->nr == 2)))
@@ -949,7 +1060,7 @@ static ssize_t store_pwm_setting(struct device *dev, struct device_attribute
min = abituguru_pwm_min[attr->nr];
/* this check can be done before taking the lock */
- if ((val < min) || (val > abituguru_pwm_max[attr->nr]))
+ if (val < min || val > abituguru_pwm_max[attr->nr])
return -EINVAL;
mutex_lock(&data->update_lock);
@@ -981,8 +1092,10 @@ static ssize_t show_pwm_sensor(struct device *dev,
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
int i;
- /* We need to walk to the temp sensor addresses to find what
- the userspace id of the configured temp sensor is. */
+ /*
+ * We need to walk to the temp sensor addresses to find what
+ * the userspace id of the configured temp sensor is.
+ */
for (i = 0; i < data->bank1_sensors[ABIT_UGURU_TEMP_SENSOR]; i++)
if (data->bank1_address[ABIT_UGURU_TEMP_SENSOR][i] ==
(data->pwm_settings[attr->index][0] & 0x0F))
@@ -996,27 +1109,32 @@ static ssize_t store_pwm_sensor(struct device *dev, struct device_attribute
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
- unsigned long val = simple_strtoul(buf, NULL, 10) - 1;
- ssize_t ret = count;
+ ssize_t ret;
+ unsigned long val;
+ u8 orig_val;
+ u8 address;
+
+ ret = kstrtoul(buf, 10, &val);
+ if (ret)
+ return ret;
+ if (val == 0 || val > data->bank1_sensors[ABIT_UGURU_TEMP_SENSOR])
+ return -EINVAL;
+
+ val -= 1;
+ ret = count;
mutex_lock(&data->update_lock);
- if (val < data->bank1_sensors[ABIT_UGURU_TEMP_SENSOR]) {
- u8 orig_val = data->pwm_settings[attr->index][0];
- u8 address = data->bank1_address[ABIT_UGURU_TEMP_SENSOR][val];
- data->pwm_settings[attr->index][0] &= 0xF0;
- data->pwm_settings[attr->index][0] |= address;
- if (data->pwm_settings[attr->index][0] != orig_val) {
- if (abituguru_write(data, ABIT_UGURU_FAN_PWM + 1,
- attr->index,
- data->pwm_settings[attr->index],
- 5) < 1) {
- data->pwm_settings[attr->index][0] = orig_val;
- ret = -EIO;
- }
+ orig_val = data->pwm_settings[attr->index][0];
+ address = data->bank1_address[ABIT_UGURU_TEMP_SENSOR][val];
+ data->pwm_settings[attr->index][0] &= 0xF0;
+ data->pwm_settings[attr->index][0] |= address;
+ if (data->pwm_settings[attr->index][0] != orig_val) {
+ if (abituguru_write(data, ABIT_UGURU_FAN_PWM + 1, attr->index,
+ data->pwm_settings[attr->index], 5) < 1) {
+ data->pwm_settings[attr->index][0] = orig_val;
+ ret = -EIO;
}
}
- else
- ret = -EINVAL;
mutex_unlock(&data->update_lock);
return ret;
}
@@ -1037,22 +1155,27 @@ static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
- u8 orig_val, user_val = simple_strtoul(buf, NULL, 10);
- ssize_t ret = count;
+ u8 orig_val;
+ ssize_t ret;
+ unsigned long user_val;
+
+ ret = kstrtoul(buf, 10, &user_val);
+ if (ret)
+ return ret;
+ ret = count;
mutex_lock(&data->update_lock);
orig_val = data->pwm_settings[attr->index][0];
switch (user_val) {
- case 0:
- data->pwm_settings[attr->index][0] &=
- ~ABIT_UGURU_FAN_PWM_ENABLE;
- break;
- case 2:
- data->pwm_settings[attr->index][0] |=
- ABIT_UGURU_FAN_PWM_ENABLE;
- break;
- default:
- ret = -EINVAL;
+ case 0:
+ data->pwm_settings[attr->index][0] &=
+ ~ABIT_UGURU_FAN_PWM_ENABLE;
+ break;
+ case 2:
+ data->pwm_settings[attr->index][0] |= ABIT_UGURU_FAN_PWM_ENABLE;
+ break;
+ default:
+ ret = -EINVAL;
}
if ((data->pwm_settings[attr->index][0] != orig_val) &&
(abituguru_write(data, ABIT_UGURU_FAN_PWM + 1,
@@ -1147,13 +1270,16 @@ static int __devinit abituguru_probe(struct platform_device *pdev)
int i, j, used, sysfs_names_free, sysfs_attr_i, res = -ENODEV;
char *sysfs_filename;
- /* El weirdo probe order, to keep the sysfs order identical to the
- BIOS and window-appliction listing order. */
+ /*
+ * El weirdo probe order, to keep the sysfs order identical to the
+ * BIOS and window-appliction listing order.
+ */
const u8 probe_order[ABIT_UGURU_MAX_BANK1_SENSORS] = {
0x00, 0x01, 0x03, 0x04, 0x0A, 0x08, 0x0E, 0x02,
0x09, 0x06, 0x05, 0x0B, 0x0F, 0x0D, 0x07, 0x0C };
- if (!(data = kzalloc(sizeof(struct abituguru_data), GFP_KERNEL)))
+ data = kzalloc(sizeof(struct abituguru_data), GFP_KERNEL);
+ if (!data)
return -ENOMEM;
data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
@@ -1164,9 +1290,11 @@ static int __devinit abituguru_probe(struct platform_device *pdev)
if (inb_p(data->addr + ABIT_UGURU_DATA) == ABIT_UGURU_STATUS_INPUT)
data->uguru_ready = 1;
- /* Completely read the uGuru this has 2 purposes:
- - testread / see if one really is there.
- - make an in memory copy of all the uguru settings for future use. */
+ /*
+ * Completely read the uGuru this has 2 purposes:
+ * - testread / see if one really is there.
+ * - make an in memory copy of all the uguru settings for future use.
+ */
if (abituguru_read(data, ABIT_UGURU_ALARM_BANK, 0,
data->alarms, 3, ABIT_UGURU_MAX_RETRIES) != 3)
goto abituguru_probe_error;
@@ -1181,11 +1309,13 @@ static int __devinit abituguru_probe(struct platform_device *pdev)
ABIT_UGURU_MAX_RETRIES) != 3)
goto abituguru_probe_error;
}
- /* Note: We don't know how many bank2 sensors / pwms there really are,
- but in order to "detect" this we need to read the maximum amount
- anyways. If we read sensors/pwms not there we'll just read crap
- this can't hurt. We need the detection because we don't want
- unwanted writes, which will hurt! */
+ /*
+ * Note: We don't know how many bank2 sensors / pwms there really are,
+ * but in order to "detect" this we need to read the maximum amount
+ * anyways. If we read sensors/pwms not there we'll just read crap
+ * this can't hurt. We need the detection because we don't want
+ * unwanted writes, which will hurt!
+ */
for (i = 0; i < ABIT_UGURU_MAX_BANK2_SENSORS; i++) {
if (abituguru_read(data, ABIT_UGURU_SENSOR_BANK2, i,
&data->bank2_value[i], 1,
@@ -1332,24 +1462,26 @@ static struct abituguru_data *abituguru_update_device(struct device *dev)
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ)) {
success = 0;
- if ((err = abituguru_read(data, ABIT_UGURU_ALARM_BANK, 0,
- data->alarms, 3, 0)) != 3)
+ err = abituguru_read(data, ABIT_UGURU_ALARM_BANK, 0,
+ data->alarms, 3, 0);
+ if (err != 3)
goto LEAVE_UPDATE;
for (i = 0; i < ABIT_UGURU_MAX_BANK1_SENSORS; i++) {
- if ((err = abituguru_read(data,
- ABIT_UGURU_SENSOR_BANK1, i,
- &data->bank1_value[i], 1, 0)) != 1)
+ err = abituguru_read(data, ABIT_UGURU_SENSOR_BANK1,
+ i, &data->bank1_value[i], 1, 0);
+ if (err != 1)
goto LEAVE_UPDATE;
- if ((err = abituguru_read(data,
- ABIT_UGURU_SENSOR_BANK1 + 1, i,
- data->bank1_settings[i], 3, 0)) != 3)
+ err = abituguru_read(data, ABIT_UGURU_SENSOR_BANK1 + 1,
+ i, data->bank1_settings[i], 3, 0);
+ if (err != 3)
goto LEAVE_UPDATE;
}
- for (i = 0; i < data->bank2_sensors; i++)
- if ((err = abituguru_read(data,
- ABIT_UGURU_SENSOR_BANK2, i,
- &data->bank2_value[i], 1, 0)) != 1)
+ for (i = 0; i < data->bank2_sensors; i++) {
+ err = abituguru_read(data, ABIT_UGURU_SENSOR_BANK2, i,
+ &data->bank2_value[i], 1, 0);
+ if (err != 1)
goto LEAVE_UPDATE;
+ }
/* success! */
success = 1;
data->update_timeouts = 0;
@@ -1385,8 +1517,10 @@ LEAVE_UPDATE:
static int abituguru_suspend(struct platform_device *pdev, pm_message_t state)
{
struct abituguru_data *data = platform_get_drvdata(pdev);
- /* make sure all communications with the uguru are done and no new
- ones are started */
+ /*
+ * make sure all communications with the uguru are done and no new
+ * ones are started
+ */
mutex_lock(&data->update_lock);
return 0;
}
@@ -1418,12 +1552,14 @@ static struct platform_driver abituguru_driver = {
static int __init abituguru_detect(void)
{
- /* See if there is an uguru there. After a reboot uGuru will hold 0x00
- at DATA and 0xAC, when this driver has already been loaded once
- DATA will hold 0x08. For most uGuru's CMD will hold 0xAC in either
- scenario but some will hold 0x00.
- Some uGuru's initially hold 0x09 at DATA and will only hold 0x08
- after reading CMD first, so CMD must be read first! */
+ /*
+ * See if there is an uguru there. After a reboot uGuru will hold 0x00
+ * at DATA and 0xAC, when this driver has already been loaded once
+ * DATA will hold 0x08. For most uGuru's CMD will hold 0xAC in either
+ * scenario but some will hold 0x00.
+ * Some uGuru's initially hold 0x09 at DATA and will only hold 0x08
+ * after reading CMD first, so CMD must be read first!
+ */
u8 cmd_val = inb_p(ABIT_UGURU_BASE + ABIT_UGURU_CMD);
u8 data_val = inb_p(ABIT_UGURU_BASE + ABIT_UGURU_DATA);
if (((data_val == 0x00) || (data_val == 0x08)) &&
diff --git a/drivers/hwmon/abituguru3.c b/drivers/hwmon/abituguru3.c
index 34a14a77e00..a5bc4287daa 100644
--- a/drivers/hwmon/abituguru3.c
+++ b/drivers/hwmon/abituguru3.c
@@ -1,28 +1,28 @@
/*
- abituguru3.c
-
- Copyright (c) 2006-2008 Hans de Goede <hdegoede@redhat.com>
- Copyright (c) 2008 Alistair John Strachan <alistair@devzero.co.uk>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * abituguru3.c
+ *
+ * Copyright (c) 2006-2008 Hans de Goede <hdegoede@redhat.com>
+ * Copyright (c) 2008 Alistair John Strachan <alistair@devzero.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
/*
- This driver supports the sensor part of revision 3 of the custom Abit uGuru
- chip found on newer Abit uGuru motherboards. Note: because of lack of specs
- only reading the sensors and their settings is supported.
-*/
+ * This driver supports the sensor part of revision 3 of the custom Abit uGuru
+ * chip found on newer Abit uGuru motherboards. Note: because of lack of specs
+ * only reading the sensors and their settings is supported.
+ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -62,13 +62,17 @@
#define ABIT_UGURU3_TEMP_SENSOR 1
#define ABIT_UGURU3_FAN_SENSOR 2
-/* Timeouts / Retries, if these turn out to need a lot of fiddling we could
- convert them to params. Determined by trial and error. I assume this is
- cpu-speed independent, since the ISA-bus and not the CPU should be the
- bottleneck. */
+/*
+ * Timeouts / Retries, if these turn out to need a lot of fiddling we could
+ * convert them to params. Determined by trial and error. I assume this is
+ * cpu-speed independent, since the ISA-bus and not the CPU should be the
+ * bottleneck.
+ */
#define ABIT_UGURU3_WAIT_TIMEOUT 250
-/* Normally the 0xAC at the end of synchronize() is reported after the
- first read, but sometimes not and we need to poll */
+/*
+ * Normally the 0xAC at the end of synchronize() is reported after the
+ * first read, but sometimes not and we need to poll
+ */
#define ABIT_UGURU3_SYNCHRONIZE_TIMEOUT 5
/* utility macros */
#define ABIT_UGURU3_NAME "abituguru3"
@@ -78,32 +82,45 @@
/* Macros to help calculate the sysfs_names array length */
#define ABIT_UGURU3_MAX_NO_SENSORS 26
-/* sum of strlen +1 of: in??_input\0, in??_{min,max}\0, in??_{min,max}_alarm\0,
- in??_{min,max}_alarm_enable\0, in??_beep\0, in??_shutdown\0, in??_label\0 */
-#define ABIT_UGURU3_IN_NAMES_LENGTH (11 + 2 * 9 + 2 * 15 + 2 * 22 + 10 + 14 + 11)
-/* sum of strlen +1 of: temp??_input\0, temp??_max\0, temp??_crit\0,
- temp??_alarm\0, temp??_alarm_enable\0, temp??_beep\0, temp??_shutdown\0,
- temp??_label\0 */
+/*
+ * sum of strlen +1 of: in??_input\0, in??_{min,max}\0, in??_{min,max}_alarm\0,
+ * in??_{min,max}_alarm_enable\0, in??_beep\0, in??_shutdown\0, in??_label\0
+ */
+#define ABIT_UGURU3_IN_NAMES_LENGTH \
+ (11 + 2 * 9 + 2 * 15 + 2 * 22 + 10 + 14 + 11)
+/*
+ * sum of strlen +1 of: temp??_input\0, temp??_max\0, temp??_crit\0,
+ * temp??_alarm\0, temp??_alarm_enable\0, temp??_beep\0, temp??_shutdown\0,
+ * temp??_label\0
+ */
#define ABIT_UGURU3_TEMP_NAMES_LENGTH (13 + 11 + 12 + 13 + 20 + 12 + 16 + 13)
-/* sum of strlen +1 of: fan??_input\0, fan??_min\0, fan??_alarm\0,
- fan??_alarm_enable\0, fan??_beep\0, fan??_shutdown\0, fan??_label\0 */
+/*
+ * sum of strlen +1 of: fan??_input\0, fan??_min\0, fan??_alarm\0,
+ * fan??_alarm_enable\0, fan??_beep\0, fan??_shutdown\0, fan??_label\0
+ */
#define ABIT_UGURU3_FAN_NAMES_LENGTH (12 + 10 + 12 + 19 + 11 + 15 + 12)
-/* Worst case scenario 16 in sensors (longest names_length) and the rest
- temp sensors (second longest names_length). */
+/*
+ * Worst case scenario 16 in sensors (longest names_length) and the rest
+ * temp sensors (second longest names_length).
+ */
#define ABIT_UGURU3_SYSFS_NAMES_LENGTH (16 * ABIT_UGURU3_IN_NAMES_LENGTH + \
(ABIT_UGURU3_MAX_NO_SENSORS - 16) * ABIT_UGURU3_TEMP_NAMES_LENGTH)
-/* All the macros below are named identical to the openguru2 program
- reverse engineered by Louis Kruger, hence the names might not be 100%
- logical. I could come up with better names, but I prefer keeping the names
- identical so that this driver can be compared with his work more easily. */
+/*
+ * All the macros below are named identical to the openguru2 program
+ * reverse engineered by Louis Kruger, hence the names might not be 100%
+ * logical. I could come up with better names, but I prefer keeping the names
+ * identical so that this driver can be compared with his work more easily.
+ */
/* Two i/o-ports are used by uGuru */
#define ABIT_UGURU3_BASE 0x00E0
#define ABIT_UGURU3_CMD 0x00
#define ABIT_UGURU3_DATA 0x04
#define ABIT_UGURU3_REGION_LENGTH 5
-/* The wait_xxx functions return this on success and the last contents
- of the DATA register (0-255) on failure. */
+/*
+ * The wait_xxx functions return this on success and the last contents
+ * of the DATA register (0-255) on failure.
+ */
#define ABIT_UGURU3_SUCCESS -1
/* uGuru status flags */
#define ABIT_UGURU3_STATUS_READY_FOR_READ 0x01
@@ -112,7 +129,7 @@
/* Structures */
struct abituguru3_sensor_info {
- const char* name;
+ const char *name;
int port;
int type;
int multiplier;
@@ -130,9 +147,11 @@ struct abituguru3_motherboard_info {
struct abituguru3_sensor_info sensors[ABIT_UGURU3_MAX_NO_SENSORS + 1];
};
-/* For the Abit uGuru, we need to keep some data in memory.
- The structure is dynamically allocated, at the same time when a new
- abituguru3 device is allocated. */
+/*
+ * For the Abit uGuru, we need to keep some data in memory.
+ * The structure is dynamically allocated, at the same time when a new
+ * abituguru3 device is allocated.
+ */
struct abituguru3_data {
struct device *hwmon_dev; /* hwmon registered device */
struct mutex update_lock; /* protect access to data and uGuru */
@@ -140,8 +159,10 @@ struct abituguru3_data {
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
- /* For convenience the sysfs attr and their names are generated
- automatically. We have max 10 entries per sensor (for in sensors) */
+ /*
+ * For convenience the sysfs attr and their names are generated
+ * automatically. We have max 10 entries per sensor (for in sensors)
+ */
struct sensor_device_attribute_2 sysfs_attr[ABIT_UGURU3_MAX_NO_SENSORS
* 10];
@@ -151,9 +172,11 @@ struct abituguru3_data {
/* Pointer to the sensors info for the detected motherboard */
const struct abituguru3_sensor_info *sensors;
- /* The abituguru3 supports up to 48 sensors, and thus has registers
- sets for 48 sensors, for convienence reasons / simplicity of the
- code we always read and store all registers for all 48 sensors */
+ /*
+ * The abituguru3 supports up to 48 sensors, and thus has registers
+ * sets for 48 sensors, for convienence reasons / simplicity of the
+ * code we always read and store all registers for all 48 sensors
+ */
/* Alarms for all 48 sensors (1 bit per sensor) */
u8 alarms[48/8];
@@ -161,9 +184,11 @@ struct abituguru3_data {
/* Value of all 48 sensors */
u8 value[48];
- /* Settings of all 48 sensors, note in and temp sensors (the first 32
- sensors) have 3 bytes of settings, while fans only have 2 bytes,
- for convenience we use 3 bytes for all sensors */
+ /*
+ * Settings of all 48 sensors, note in and temp sensors (the first 32
+ * sensors) have 3 bytes of settings, while fans only have 2 bytes,
+ * for convenience we use 3 bytes for all sensors
+ */
u8 settings[48][3];
};
@@ -626,8 +651,10 @@ static int abituguru3_wait_while_busy(struct abituguru3_data *data)
timeout--;
if (timeout == 0)
return x;
- /* sleep a bit before our last try, to give the uGuru3 one
- last chance to respond. */
+ /*
+ * sleep a bit before our last try, to give the uGuru3 one
+ * last chance to respond.
+ */
if (timeout == 1)
msleep(1);
}
@@ -645,48 +672,57 @@ static int abituguru3_wait_for_read(struct abituguru3_data *data)
timeout--;
if (timeout == 0)
return x;
- /* sleep a bit before our last try, to give the uGuru3 one
- last chance to respond. */
+ /*
+ * sleep a bit before our last try, to give the uGuru3 one
+ * last chance to respond.
+ */
if (timeout == 1)
msleep(1);
}
return ABIT_UGURU3_SUCCESS;
}
-/* This synchronizes us with the uGuru3's protocol state machine, this
- must be done before each command. */
+/*
+ * This synchronizes us with the uGuru3's protocol state machine, this
+ * must be done before each command.
+ */
static int abituguru3_synchronize(struct abituguru3_data *data)
{
int x, timeout = ABIT_UGURU3_SYNCHRONIZE_TIMEOUT;
- if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
+ x = abituguru3_wait_while_busy(data);
+ if (x != ABIT_UGURU3_SUCCESS) {
ABIT_UGURU3_DEBUG("synchronize timeout during initial busy "
"wait, status: 0x%02x\n", x);
return -EIO;
}
outb(0x20, data->addr + ABIT_UGURU3_DATA);
- if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
+ x = abituguru3_wait_while_busy(data);
+ if (x != ABIT_UGURU3_SUCCESS) {
ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x20, "
"status: 0x%02x\n", x);
return -EIO;
}
outb(0x10, data->addr + ABIT_UGURU3_CMD);
- if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
+ x = abituguru3_wait_while_busy(data);
+ if (x != ABIT_UGURU3_SUCCESS) {
ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x10, "
"status: 0x%02x\n", x);
return -EIO;
}
outb(0x00, data->addr + ABIT_UGURU3_CMD);
- if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
+ x = abituguru3_wait_while_busy(data);
+ if (x != ABIT_UGURU3_SUCCESS) {
ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x00, "
"status: 0x%02x\n", x);
return -EIO;
}
- if ((x = abituguru3_wait_for_read(data)) != ABIT_UGURU3_SUCCESS) {
+ x = abituguru3_wait_for_read(data);
+ if (x != ABIT_UGURU3_SUCCESS) {
ABIT_UGURU3_DEBUG("synchronize timeout waiting for read, "
"status: 0x%02x\n", x);
return -EIO;
@@ -705,18 +741,22 @@ static int abituguru3_synchronize(struct abituguru3_data *data)
return 0;
}
-/* Read count bytes from sensor sensor_addr in bank bank_addr and store the
- result in buf */
+/*
+ * Read count bytes from sensor sensor_addr in bank bank_addr and store the
+ * result in buf
+ */
static int abituguru3_read(struct abituguru3_data *data, u8 bank, u8 offset,
u8 count, u8 *buf)
{
int i, x;
- if ((x = abituguru3_synchronize(data)))
+ x = abituguru3_synchronize(data);
+ if (x)
return x;
outb(0x1A, data->addr + ABIT_UGURU3_DATA);
- if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
+ x = abituguru3_wait_while_busy(data);
+ if (x != ABIT_UGURU3_SUCCESS) {
ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
"sending 0x1A, status: 0x%02x\n", (unsigned int)bank,
(unsigned int)offset, x);
@@ -724,7 +764,8 @@ static int abituguru3_read(struct abituguru3_data *data, u8 bank, u8 offset,
}
outb(bank, data->addr + ABIT_UGURU3_CMD);
- if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
+ x = abituguru3_wait_while_busy(data);
+ if (x != ABIT_UGURU3_SUCCESS) {
ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
"sending the bank, status: 0x%02x\n",
(unsigned int)bank, (unsigned int)offset, x);
@@ -732,7 +773,8 @@ static int abituguru3_read(struct abituguru3_data *data, u8 bank, u8 offset,
}
outb(offset, data->addr + ABIT_UGURU3_CMD);
- if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
+ x = abituguru3_wait_while_busy(data);
+ if (x != ABIT_UGURU3_SUCCESS) {
ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
"sending the offset, status: 0x%02x\n",
(unsigned int)bank, (unsigned int)offset, x);
@@ -740,7 +782,8 @@ static int abituguru3_read(struct abituguru3_data *data, u8 bank, u8 offset,
}
outb(count, data->addr + ABIT_UGURU3_CMD);
- if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
+ x = abituguru3_wait_while_busy(data);
+ if (x != ABIT_UGURU3_SUCCESS) {
ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
"sending the count, status: 0x%02x\n",
(unsigned int)bank, (unsigned int)offset, x);
@@ -748,8 +791,8 @@ static int abituguru3_read(struct abituguru3_data *data, u8 bank, u8 offset,
}
for (i = 0; i < count; i++) {
- if ((x = abituguru3_wait_for_read(data)) !=
- ABIT_UGURU3_SUCCESS) {
+ x = abituguru3_wait_for_read(data);
+ if (x != ABIT_UGURU3_SUCCESS) {
ABIT_UGURU3_DEBUG("timeout reading byte %d from "
"0x%02x:0x%02x, status: 0x%02x\n", i,
(unsigned int)bank, (unsigned int)offset, x);
@@ -760,28 +803,34 @@ static int abituguru3_read(struct abituguru3_data *data, u8 bank, u8 offset,
return i;
}
-/* Sensor settings are stored 1 byte per offset with the bytes
- placed add consecutive offsets. */
+/*
+ * Sensor settings are stored 1 byte per offset with the bytes
+ * placed add consecutive offsets.
+ */
static int abituguru3_read_increment_offset(struct abituguru3_data *data,
u8 bank, u8 offset, u8 count,
u8 *buf, int offset_count)
{
int i, x;
- for (i = 0; i < offset_count; i++)
- if ((x = abituguru3_read(data, bank, offset + i, count,
- buf + i * count)) != count) {
+ for (i = 0; i < offset_count; i++) {
+ x = abituguru3_read(data, bank, offset + i, count,
+ buf + i * count);
+ if (x != count) {
if (x < 0)
return x;
return i * count + x;
}
+ }
return i * count;
}
-/* Following are the sysfs callback functions. These functions expect:
- sensor_device_attribute_2->index: index into the data->sensors array
- sensor_device_attribute_2->nr: register offset, bitmask or NA. */
+/*
+ * Following are the sysfs callback functions. These functions expect:
+ * sensor_device_attribute_2->index: index into the data->sensors array
+ * sensor_device_attribute_2->nr: register offset, bitmask or NA.
+ */
static struct abituguru3_data *abituguru3_update_device(struct device *dev);
static ssize_t show_value(struct device *dev,
@@ -807,8 +856,10 @@ static ssize_t show_value(struct device *dev,
value = (value * sensor->multiplier) / sensor->divisor +
sensor->offset;
- /* alternatively we could update the sensors settings struct for this,
- but then its contents would differ from the windows sw ini files */
+ /*
+ * alternatively we could update the sensors settings struct for this,
+ * but then its contents would differ from the windows sw ini files
+ */
if (sensor->type == ABIT_UGURU3_TEMP_SENSOR)
value *= 1000;
@@ -827,10 +878,12 @@ static ssize_t show_alarm(struct device *dev,
port = data->sensors[attr->index].port;
- /* See if the alarm bit for this sensor is set and if a bitmask is
- given in attr->nr also check if the alarm matches the type of alarm
- we're looking for (for volt it can be either low or high). The type
- is stored in a few readonly bits in the settings of the sensor. */
+ /*
+ * See if the alarm bit for this sensor is set and if a bitmask is
+ * given in attr->nr also check if the alarm matches the type of alarm
+ * we're looking for (for volt it can be either low or high). The type
+ * is stored in a few readonly bits in the settings of the sensor.
+ */
if ((data->alarms[port / 8] & (0x01 << (port % 8))) &&
(!attr->nr || (data->settings[port][0] & attr->nr)))
return sprintf(buf, "1\n");
@@ -923,7 +976,8 @@ static int __devinit abituguru3_probe(struct platform_device *pdev)
u8 buf[2];
u16 id;
- if (!(data = kzalloc(sizeof(struct abituguru3_data), GFP_KERNEL)))
+ data = kzalloc(sizeof(struct abituguru3_data), GFP_KERNEL);
+ if (!data)
return -ENOMEM;
data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
@@ -931,10 +985,10 @@ static int __devinit abituguru3_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, data);
/* Read the motherboard ID */
- if ((i = abituguru3_read(data, ABIT_UGURU3_MISC_BANK,
- ABIT_UGURU3_BOARD_ID, 2, buf)) != 2) {
+ i = abituguru3_read(data, ABIT_UGURU3_MISC_BANK, ABIT_UGURU3_BOARD_ID,
+ 2, buf);
+ if (i != 2)
goto abituguru3_probe_error;
- }
/* Completely read the uGuru to see if one really is there */
if (!abituguru3_update_device(&pdev->dev))
@@ -1091,8 +1145,10 @@ LEAVE_UPDATE:
static int abituguru3_suspend(struct platform_device *pdev, pm_message_t state)
{
struct abituguru3_data *data = platform_get_drvdata(pdev);
- /* make sure all communications with the uguru3 are done and no new
- ones are started */
+ /*
+ * make sure all communications with the uguru3 are done and no new
+ * ones are started
+ */
mutex_lock(&data->update_lock);
return 0;
}
@@ -1134,7 +1190,8 @@ static int __init abituguru3_dmi_detect(void)
if (!board_name)
return err;
- /* At the moment, we don't care about the part of the vendor
+ /*
+ * At the moment, we don't care about the part of the vendor
* DMI string contained in brackets. Truncate the string at
* the first occurrence of a bracket. Trim any trailing space
* from the substring.
@@ -1157,15 +1214,18 @@ static int __init abituguru3_dmi_detect(void)
return 1;
}
-/* FIXME: Manual detection should die eventually; we need to collect stable
+/*
+ * FIXME: Manual detection should die eventually; we need to collect stable
* DMI model names first before we can rely entirely on CONFIG_DMI.
*/
static int __init abituguru3_detect(void)
{
- /* See if there is an uguru3 there. An idle uGuru3 will hold 0x00 or
- 0x08 at DATA and 0xAC at CMD. Sometimes the uGuru3 will hold 0x05
- or 0x55 at CMD instead, why is unknown. */
+ /*
+ * See if there is an uguru3 there. An idle uGuru3 will hold 0x00 or
+ * 0x08 at DATA and 0xAC at CMD. Sometimes the uGuru3 will hold 0x05
+ * or 0x55 at CMD instead, why is unknown.
+ */
u8 data_val = inb_p(ABIT_UGURU3_BASE + ABIT_UGURU3_DATA);
u8 cmd_val = inb_p(ABIT_UGURU3_BASE + ABIT_UGURU3_CMD);
if (((data_val == 0x00) || (data_val == 0x08)) &&
@@ -1197,7 +1257,8 @@ static int __init abituguru3_init(void)
if (err < 0)
return err;
- /* Fall back to manual detection if there was no exact
+ /*
+ * Fall back to manual detection if there was no exact
* board name match, or force was specified.
*/
if (err > 0) {
diff --git a/drivers/hwmon/ad7314.c b/drivers/hwmon/ad7314.c
index 5d760f3d21c..0e0cfcc36f8 100644
--- a/drivers/hwmon/ad7314.c
+++ b/drivers/hwmon/ad7314.c
@@ -167,17 +167,7 @@ static struct spi_driver ad7314_driver = {
.id_table = ad7314_id,
};
-static __init int ad7314_init(void)
-{
- return spi_register_driver(&ad7314_driver);
-}
-module_init(ad7314_init);
-
-static __exit void ad7314_exit(void)
-{
- spi_unregister_driver(&ad7314_driver);
-}
-module_exit(ad7314_exit);
+module_spi_driver(ad7314_driver);
MODULE_AUTHOR("Sonic Zhang <sonic.zhang@analog.com>");
MODULE_DESCRIPTION("Analog Devices AD7314, ADT7301 and ADT7302 digital"
diff --git a/drivers/hwmon/ad7414.c b/drivers/hwmon/ad7414.c
index df29a7fff9e..06d2d60d1fd 100644
--- a/drivers/hwmon/ad7414.c
+++ b/drivers/hwmon/ad7414.c
@@ -50,7 +50,8 @@ struct ad7414_data {
/* REG: (0.25C/bit, two's complement) << 6 */
static inline int ad7414_temp_from_reg(s16 reg)
{
- /* use integer division instead of equivalent right shift to
+ /*
+ * use integer division instead of equivalent right shift to
* guarantee arithmetic shift and preserve the sign
*/
return ((int)reg / 64) * 250;
@@ -130,7 +131,11 @@ static ssize_t set_max_min(struct device *dev,
struct ad7414_data *data = i2c_get_clientdata(client);
int index = to_sensor_dev_attr(attr)->index;
u8 reg = AD7414_REG_LIMIT[index];
- long temp = simple_strtol(buf, NULL, 10);
+ long temp;
+ int ret = kstrtol(buf, 10, &temp);
+
+ if (ret < 0)
+ return ret;
temp = SENSORS_LIMIT(temp, -40000, 85000);
temp = (temp + (temp < 0 ? -500 : 500)) / 1000;
@@ -252,17 +257,7 @@ static struct i2c_driver ad7414_driver = {
.id_table = ad7414_id,
};
-static int __init ad7414_init(void)
-{
- return i2c_add_driver(&ad7414_driver);
-}
-module_init(ad7414_init);
-
-static void __exit ad7414_exit(void)
-{
- i2c_del_driver(&ad7414_driver);
-}
-module_exit(ad7414_exit);
+module_i2c_driver(ad7414_driver);
MODULE_AUTHOR("Stefan Roese <sr at denx.de>, "
"Frank Edelhaeuser <frank.edelhaeuser at spansion.com>");
diff --git a/drivers/hwmon/ad7418.c b/drivers/hwmon/ad7418.c
index 8cb718ce823..a50a6bef16c 100644
--- a/drivers/hwmon/ad7418.c
+++ b/drivers/hwmon/ad7418.c
@@ -167,7 +167,11 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *devattr,
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct ad7418_data *data = i2c_get_clientdata(client);
- long temp = simple_strtol(buf, NULL, 10);
+ long temp;
+ int ret = kstrtol(buf, 10, &temp);
+
+ if (ret < 0)
+ return ret;
mutex_lock(&data->lock);
data->temp[attr->index] = LM75_TEMP_TO_REG(temp);
@@ -228,7 +232,8 @@ static int ad7418_probe(struct i2c_client *client,
goto exit;
}
- if (!(data = kzalloc(sizeof(struct ad7418_data), GFP_KERNEL))) {
+ data = kzalloc(sizeof(struct ad7418_data), GFP_KERNEL);
+ if (!data) {
err = -ENOMEM;
goto exit;
}
@@ -261,7 +266,8 @@ static int ad7418_probe(struct i2c_client *client,
ad7418_init_client(client);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&client->dev.kobj, &data->attrs)))
+ err = sysfs_create_group(&client->dev.kobj, &data->attrs);
+ if (err)
goto exit_free;
data->hwmon_dev = hwmon_device_register(&client->dev);
@@ -289,20 +295,9 @@ static int ad7418_remove(struct i2c_client *client)
return 0;
}
-static int __init ad7418_init(void)
-{
- return i2c_add_driver(&ad7418_driver);
-}
-
-static void __exit ad7418_exit(void)
-{
- i2c_del_driver(&ad7418_driver);
-}
+module_i2c_driver(ad7418_driver);
MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>");
MODULE_DESCRIPTION("AD7416/17/18 driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
-
-module_init(ad7418_init);
-module_exit(ad7418_exit);
diff --git a/drivers/hwmon/adcxx.c b/drivers/hwmon/adcxx.c
index ceb24a36517..a3d3183454a 100644
--- a/drivers/hwmon/adcxx.c
+++ b/drivers/hwmon/adcxx.c
@@ -248,18 +248,7 @@ static struct spi_driver adcxx_driver = {
.remove = __devexit_p(adcxx_remove),
};
-static int __init init_adcxx(void)
-{
- return spi_register_driver(&adcxx_driver);
-}
-
-static void __exit exit_adcxx(void)
-{
- spi_unregister_driver(&adcxx_driver);
-}
-
-module_init(init_adcxx);
-module_exit(exit_adcxx);
+module_spi_driver(adcxx_driver);
MODULE_AUTHOR("Marc Pignat");
MODULE_DESCRIPTION("National Semiconductor adcxx8sxxx Linux driver");
diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c
index 0158cc35cb2..4394e7e99c4 100644
--- a/drivers/hwmon/adm1021.c
+++ b/drivers/hwmon/adm1021.c
@@ -1,23 +1,23 @@
/*
- adm1021.c - Part of lm_sensors, Linux kernel modules for hardware
- monitoring
- Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl> and
- Philip Edelbrock <phil@netroedge.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * adm1021.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ * Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl> and
+ * Philip Edelbrock <phil@netroedge.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -70,10 +70,12 @@ enum chips {
/* Initial values */
-/* Note: Even though I left the low and high limits named os and hyst,
-they don't quite work like a thermostat the way the LM75 does. I.e.,
-a lower temp than THYST actually triggers an alarm instead of
-clearing it. Weird, ey? --Phil */
+/*
+ * Note: Even though I left the low and high limits named os and hyst,
+ * they don't quite work like a thermostat the way the LM75 does. I.e.,
+ * a lower temp than THYST actually triggers an alarm instead of
+ * clearing it. Weird, ey? --Phil
+ */
/* Each client has this additional data */
struct adm1021_data {
@@ -182,7 +184,13 @@ static ssize_t set_temp_max(struct device *dev,
int index = to_sensor_dev_attr(devattr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1021_data *data = i2c_get_clientdata(client);
- long temp = simple_strtol(buf, NULL, 10) / 1000;
+ long temp;
+ int err;
+
+ err = kstrtol(buf, 10, &temp);
+ if (err)
+ return err;
+ temp /= 1000;
mutex_lock(&data->update_lock);
data->temp_max[index] = SENSORS_LIMIT(temp, -128, 127);
@@ -201,7 +209,13 @@ static ssize_t set_temp_min(struct device *dev,
int index = to_sensor_dev_attr(devattr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1021_data *data = i2c_get_clientdata(client);
- long temp = simple_strtol(buf, NULL, 10) / 1000;
+ long temp;
+ int err;
+
+ err = kstrtol(buf, 10, &temp);
+ if (err)
+ return err;
+ temp /= 1000;
mutex_lock(&data->update_lock);
data->temp_min[index] = SENSORS_LIMIT(temp, -128, 127);
@@ -226,7 +240,14 @@ static ssize_t set_low_power(struct device *dev,
{
struct i2c_client *client = to_i2c_client(dev);
struct adm1021_data *data = i2c_get_clientdata(client);
- int low_power = simple_strtol(buf, NULL, 10) != 0;
+ char low_power;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+ low_power = val != 0;
mutex_lock(&data->update_lock);
if (low_power != data->low_power) {
@@ -361,7 +382,8 @@ static int adm1021_probe(struct i2c_client *client,
adm1021_init_client(client);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&client->dev.kobj, &adm1021_group)))
+ err = sysfs_create_group(&client->dev.kobj, &adm1021_group);
+ if (err)
goto error1;
data->hwmon_dev = hwmon_device_register(&client->dev);
@@ -427,8 +449,10 @@ static struct adm1021_data *adm1021_update_device(struct device *dev)
data->alarms = i2c_smbus_read_byte_data(client,
ADM1021_REG_STATUS) & 0x7c;
if (data->type == adm1023) {
- /* The ADM1023 provides 3 extra bits of precision for
- * the remote sensor in extra registers. */
+ /*
+ * The ADM1023 provides 3 extra bits of precision for
+ * the remote sensor in extra registers.
+ */
data->temp[1] += 125 * (i2c_smbus_read_byte_data(
client, ADM1023_REG_REM_TEMP_PREC) >> 5);
data->temp_max[1] += 125 * (i2c_smbus_read_byte_data(
@@ -451,23 +475,12 @@ static struct adm1021_data *adm1021_update_device(struct device *dev)
return data;
}
-static int __init sensors_adm1021_init(void)
-{
- return i2c_add_driver(&adm1021_driver);
-}
-
-static void __exit sensors_adm1021_exit(void)
-{
- i2c_del_driver(&adm1021_driver);
-}
+module_i2c_driver(adm1021_driver);
-MODULE_AUTHOR ("Frodo Looijaard <frodol@dds.nl> and "
+MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl> and "
"Philip Edelbrock <phil@netroedge.com>");
MODULE_DESCRIPTION("adm1021 driver");
MODULE_LICENSE("GPL");
module_param(read_only, bool, 0);
MODULE_PARM_DESC(read_only, "Don't set any values, read only mode");
-
-module_init(sensors_adm1021_init)
-module_exit(sensors_adm1021_exit)
diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c
index 60befc0ee65..b8557f9857d 100644
--- a/drivers/hwmon/adm1025.c
+++ b/drivers/hwmon/adm1025.c
@@ -12,7 +12,7 @@
* resolution of about 0.5% of the nominal value). Temperature values are
* reported with a 1 deg resolution and a 3 deg accuracy. Complete
* datasheet can be obtained from Analog's website at:
- * http://www.onsemi.com/PowerSolutions/product.do?id=ADM1025
+ * http://www.onsemi.com/PowerSolutions/product.do?id=ADM1025
*
* This driver also supports the ADM1025A, which differs from the ADM1025
* only in that it has "open-drain VID inputs while the ADM1025 has
@@ -91,15 +91,16 @@ enum chips { adm1025, ne1619 };
static const int in_scale[6] = { 2500, 2250, 3300, 5000, 12000, 3300 };
-#define IN_FROM_REG(reg,scale) (((reg) * (scale) + 96) / 192)
-#define IN_TO_REG(val,scale) ((val) <= 0 ? 0 : \
+#define IN_FROM_REG(reg, scale) (((reg) * (scale) + 96) / 192)
+#define IN_TO_REG(val, scale) ((val) <= 0 ? 0 : \
(val) * 192 >= (scale) * 255 ? 255 : \
- ((val) * 192 + (scale)/2) / (scale))
+ ((val) * 192 + (scale) / 2) / (scale))
#define TEMP_FROM_REG(reg) ((reg) * 1000)
#define TEMP_TO_REG(val) ((val) <= -127500 ? -128 : \
(val) >= 126500 ? 127 : \
- (((val) < 0 ? (val)-500 : (val)+500) / 1000))
+ (((val) < 0 ? (val) - 500 : \
+ (val) + 500) / 1000))
/*
* Functions declaration
@@ -218,7 +219,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
int index = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1025_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_min[index] = IN_TO_REG(val, in_scale[index]);
@@ -234,7 +240,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
int index = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1025_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_max[index] = IN_TO_REG(val, in_scale[index]);
@@ -264,7 +275,12 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
int index = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1025_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_min[index] = TEMP_TO_REG(val);
@@ -280,7 +296,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
int index = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1025_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_max[index] = TEMP_TO_REG(val);
@@ -343,7 +364,14 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct adm1025_data *data = dev_get_drvdata(dev);
- data->vrm = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
+ data->vrm = val;
return count;
}
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
@@ -462,14 +490,15 @@ static int adm1025_probe(struct i2c_client *client,
adm1025_init_client(client);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&client->dev.kobj, &adm1025_group)))
+ err = sysfs_create_group(&client->dev.kobj, &adm1025_group);
+ if (err)
goto exit_free;
/* Pin 11 is either in4 (+12V) or VID4 */
config = i2c_smbus_read_byte_data(client, ADM1025_REG_CONFIG);
if (!(config & 0x20)) {
- if ((err = sysfs_create_group(&client->dev.kobj,
- &adm1025_group_in4)))
+ err = sysfs_create_group(&client->dev.kobj, &adm1025_group_in4);
+ if (err)
goto exit_remove;
}
@@ -506,7 +535,7 @@ static void adm1025_init_client(struct i2c_client *client)
* setting yet, we better set the high limits to the max so that
* no alarm triggers.
*/
- for (i=0; i<6; i++) {
+ for (i = 0; i < 6; i++) {
reg = i2c_smbus_read_byte_data(client,
ADM1025_REG_IN_MAX(i));
if (reg == 0)
@@ -514,7 +543,7 @@ static void adm1025_init_client(struct i2c_client *client)
ADM1025_REG_IN_MAX(i),
0xFF);
}
- for (i=0; i<2; i++) {
+ for (i = 0; i < 2; i++) {
reg = i2c_smbus_read_byte_data(client,
ADM1025_REG_TEMP_HIGH(i));
if (reg == 0)
@@ -555,7 +584,7 @@ static struct adm1025_data *adm1025_update_device(struct device *dev)
int i;
dev_dbg(&client->dev, "Updating data.\n");
- for (i=0; i<6; i++) {
+ for (i = 0; i < 6; i++) {
data->in[i] = i2c_smbus_read_byte_data(client,
ADM1025_REG_IN(i));
data->in_min[i] = i2c_smbus_read_byte_data(client,
@@ -563,7 +592,7 @@ static struct adm1025_data *adm1025_update_device(struct device *dev)
data->in_max[i] = i2c_smbus_read_byte_data(client,
ADM1025_REG_IN_MAX(i));
}
- for (i=0; i<2; i++) {
+ for (i = 0; i < 2; i++) {
data->temp[i] = i2c_smbus_read_byte_data(client,
ADM1025_REG_TEMP(i));
data->temp_min[i] = i2c_smbus_read_byte_data(client,
@@ -589,19 +618,8 @@ static struct adm1025_data *adm1025_update_device(struct device *dev)
return data;
}
-static int __init sensors_adm1025_init(void)
-{
- return i2c_add_driver(&adm1025_driver);
-}
-
-static void __exit sensors_adm1025_exit(void)
-{
- i2c_del_driver(&adm1025_driver);
-}
+module_i2c_driver(adm1025_driver);
MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
MODULE_DESCRIPTION("ADM1025 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_adm1025_init);
-module_exit(sensors_adm1025_exit);
diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c
index 0531867484f..1003219b9f9 100644
--- a/drivers/hwmon/adm1026.c
+++ b/drivers/hwmon/adm1026.c
@@ -1,27 +1,27 @@
/*
- adm1026.c - Part of lm_sensors, Linux kernel modules for hardware
- monitoring
- Copyright (C) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
- Copyright (C) 2004 Justin Thiessen <jthiessen@penguincomputing.com>
-
- Chip details at:
-
- <http://www.onsemi.com/PowerSolutions/product.do?id=ADM1026>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * adm1026.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ * Copyright (C) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
+ * Copyright (C) 2004 Justin Thiessen <jthiessen@penguincomputing.com>
+ *
+ * Chip details at:
+ *
+ * <http://www.onsemi.com/PowerSolutions/product.do?id=ADM1026>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -90,7 +90,8 @@ MODULE_PARM_DESC(gpio_fan, "List of GPIO pins (0-7) to program as fan tachs");
#define E2CFG_ROM 0x08
#define E2CFG_CLK_EXT 0x80
-/* There are 10 general analog inputs and 7 dedicated inputs
+/*
+ * There are 10 general analog inputs and 7 dedicated inputs
* They are:
* 0 - 9 = AIN0 - AIN9
* 10 = Vbat
@@ -117,7 +118,8 @@ static u16 ADM1026_REG_IN_MAX[] = {
0x43, 0x44, 0x45, 0x46, 0x47
};
-/* Temperatures are:
+/*
+ * Temperatures are:
* 0 - Internal
* 1 - External 1
* 2 - External 2
@@ -170,12 +172,14 @@ static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f };
#define ADM1026_FAN_CONTROL_TEMP_RANGE 20
#define ADM1026_PWM_MAX 255
-/* Conversions. Rounding and limit checking is only done on the TO_REG
+/*
+ * Conversions. Rounding and limit checking is only done on the TO_REG
* variants. Note that you should be a bit careful with which arguments
* these macros are called: arguments may be evaluated more than once.
*/
-/* IN are scaled according to built-in resistors. These are the
+/*
+ * IN are scaled according to built-in resistors. These are the
* voltages corresponding to 3/4 of full scale (192 or 0xc0)
* NOTE: The -12V input needs an additional factor to account
* for the Vref pullup resistor.
@@ -197,23 +201,25 @@ static int adm1026_scaling[] = { /* .001 Volts */
0, 255))
#define INS_FROM_REG(n, val) (SCALE(val, 192, adm1026_scaling[n]))
-/* FAN speed is measured using 22.5kHz clock and counts for 2 pulses
+/*
+ * FAN speed is measured using 22.5kHz clock and counts for 2 pulses
* and we assume a 2 pulse-per-rev fan tach signal
* 22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000
*/
#define FAN_TO_REG(val, div) ((val) <= 0 ? 0xff : \
- SENSORS_LIMIT(1350000/((val)*(div)), 1, 254))
-#define FAN_FROM_REG(val, div) ((val) == 0 ? -1:(val) == 0xff ? 0 : \
- 1350000/((val)*(div)))
-#define DIV_FROM_REG(val) (1<<(val))
+ SENSORS_LIMIT(1350000 / ((val) * (div)), \
+ 1, 254))
+#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : (val) == 0xff ? 0 : \
+ 1350000 / ((val) * (div)))
+#define DIV_FROM_REG(val) (1 << (val))
#define DIV_TO_REG(val) ((val) >= 8 ? 3 : (val) >= 4 ? 2 : (val) >= 2 ? 1 : 0)
/* Temperature is reported in 1 degC increments */
-#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
- -127, 127))
+#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val) + ((val) < 0 ? -500 : 500)) \
+ / 1000, -127, 127))
#define TEMP_FROM_REG(val) ((val) * 1000)
-#define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
- -127, 127))
+#define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val) + ((val) < 0 ? -500 : 500)) \
+ / 1000, -127, 127))
#define OFFSET_FROM_REG(val) ((val) * 1000)
#define PWM_TO_REG(val) (SENSORS_LIMIT(val, 0, 255))
@@ -222,14 +228,16 @@ static int adm1026_scaling[] = { /* .001 Volts */
#define PWM_MIN_TO_REG(val) ((val) & 0xf0)
#define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4))
-/* Analog output is a voltage, and scaled to millivolts. The datasheet
+/*
+ * Analog output is a voltage, and scaled to millivolts. The datasheet
* indicates that the DAC could be used to drive the fans, but in our
* example board (Arima HDAMA) it isn't connected to the fans at all.
*/
-#define DAC_TO_REG(val) (SENSORS_LIMIT(((((val)*255)+500)/2500), 0, 255))
-#define DAC_FROM_REG(val) (((val)*2500)/255)
+#define DAC_TO_REG(val) (SENSORS_LIMIT(((((val) * 255) + 500) / 2500), 0, 255))
+#define DAC_FROM_REG(val) (((val) * 2500) / 255)
-/* Chip sampling rates
+/*
+ * Chip sampling rates
*
* Some sensors are not updated more frequently than once per second
* so it doesn't make sense to read them more often than that.
@@ -243,11 +251,13 @@ static int adm1026_scaling[] = { /* .001 Volts */
#define ADM1026_DATA_INTERVAL (1 * HZ)
#define ADM1026_CONFIG_INTERVAL (5 * 60 * HZ)
-/* We allow for multiple chips in a single system.
+/*
+ * We allow for multiple chips in a single system.
*
* For each registered ADM1026, we need to keep state information
* at client->data. The adm1026_data structure is dynamically
- * allocated, when a new client structure is allocated. */
+ * allocated, when a new client structure is allocated.
+ */
struct pwm_data {
u8 pwm;
@@ -388,17 +398,16 @@ static void adm1026_init_client(struct i2c_client *client)
dev_dbg(&client->dev, "THERM pin enabled. "
"GPIO16 disabled.\n");
}
- if (data->config3 & CFG3_VREF_250) {
+ if (data->config3 & CFG3_VREF_250)
dev_dbg(&client->dev, "Vref is 2.50 Volts.\n");
- } else {
+ else
dev_dbg(&client->dev, "Vref is 1.82 Volts.\n");
- }
/* Read and pick apart the existing GPIO configuration */
value = 0;
- for (i = 0;i <= 15;++i) {
+ for (i = 0; i <= 15; ++i) {
if ((i & 0x03) == 0) {
value = adm1026_read_value(client,
- ADM1026_REG_GPIO_CFG_0_3 + i/4);
+ ADM1026_REG_GPIO_CFG_0_3 + i / 4);
}
data->gpio_config[i] = value & 0x03;
value >>= 2;
@@ -408,7 +417,8 @@ static void adm1026_init_client(struct i2c_client *client)
/* ... and then print it */
adm1026_print_gpio(client);
- /* If the user asks us to reprogram the GPIO config, then
+ /*
+ * If the user asks us to reprogram the GPIO config, then
* do it now.
*/
if (gpio_input[0] != -1 || gpio_output[0] != -1
@@ -417,7 +427,8 @@ static void adm1026_init_client(struct i2c_client *client)
adm1026_fixup_gpio(client);
}
- /* WE INTENTIONALLY make no changes to the limits,
+ /*
+ * WE INTENTIONALLY make no changes to the limits,
* offsets, pwms, fans and zones. If they were
* configured, we don't want to mess with them.
* If they weren't, the default is 100% PWM, no
@@ -428,7 +439,7 @@ static void adm1026_init_client(struct i2c_client *client)
* without first setting a value for pwm1.auto_pwm_min
* will not result in potentially dangerous fan speed decrease.
*/
- data->pwm1.auto_pwm_min=255;
+ data->pwm1.auto_pwm_min = 255;
/* Start monitoring */
value = adm1026_read_value(client, ADM1026_REG_CONFIG1);
/* Set MONITOR, clear interrupt acknowledge and s/w reset */
@@ -440,7 +451,7 @@ static void adm1026_init_client(struct i2c_client *client)
/* initialize fan_div[] to hardware defaults */
value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) |
(adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8);
- for (i = 0;i <= 7;++i) {
+ for (i = 0; i <= 7; ++i) {
data->fan_div[i] = DIV_FROM_REG(value & 0x03);
value >>= 2;
}
@@ -452,7 +463,7 @@ static void adm1026_print_gpio(struct i2c_client *client)
int i;
dev_dbg(&client->dev, "GPIO config is:\n");
- for (i = 0;i <= 7;++i) {
+ for (i = 0; i <= 7; ++i) {
if (data->config2 & (1 << i)) {
dev_dbg(&client->dev, "\t%sGP%s%d\n",
data->gpio_config[i] & 0x02 ? "" : "!",
@@ -462,7 +473,7 @@ static void adm1026_print_gpio(struct i2c_client *client)
dev_dbg(&client->dev, "\tFAN%d\n", i);
}
}
- for (i = 8;i <= 15;++i) {
+ for (i = 8; i <= 15; ++i) {
dev_dbg(&client->dev, "\t%sGP%s%d\n",
data->gpio_config[i] & 0x02 ? "" : "!",
data->gpio_config[i] & 0x01 ? "OUT" : "IN",
@@ -485,52 +496,46 @@ static void adm1026_fixup_gpio(struct i2c_client *client)
int value;
/* Make the changes requested. */
- /* We may need to unlock/stop monitoring or soft-reset the
+ /*
+ * We may need to unlock/stop monitoring or soft-reset the
* chip before we can make changes. This hasn't been
* tested much. FIXME
*/
/* Make outputs */
- for (i = 0;i <= 16;++i) {
- if (gpio_output[i] >= 0 && gpio_output[i] <= 16) {
+ for (i = 0; i <= 16; ++i) {
+ if (gpio_output[i] >= 0 && gpio_output[i] <= 16)
data->gpio_config[gpio_output[i]] |= 0x01;
- }
/* if GPIO0-7 is output, it isn't a FAN tach */
- if (gpio_output[i] >= 0 && gpio_output[i] <= 7) {
+ if (gpio_output[i] >= 0 && gpio_output[i] <= 7)
data->config2 |= 1 << gpio_output[i];
- }
}
/* Input overrides output */
- for (i = 0;i <= 16;++i) {
- if (gpio_input[i] >= 0 && gpio_input[i] <= 16) {
- data->gpio_config[gpio_input[i]] &= ~ 0x01;
- }
+ for (i = 0; i <= 16; ++i) {
+ if (gpio_input[i] >= 0 && gpio_input[i] <= 16)
+ data->gpio_config[gpio_input[i]] &= ~0x01;
/* if GPIO0-7 is input, it isn't a FAN tach */
- if (gpio_input[i] >= 0 && gpio_input[i] <= 7) {
+ if (gpio_input[i] >= 0 && gpio_input[i] <= 7)
data->config2 |= 1 << gpio_input[i];
- }
}
/* Inverted */
- for (i = 0;i <= 16;++i) {
- if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16) {
- data->gpio_config[gpio_inverted[i]] &= ~ 0x02;
- }
+ for (i = 0; i <= 16; ++i) {
+ if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16)
+ data->gpio_config[gpio_inverted[i]] &= ~0x02;
}
/* Normal overrides inverted */
- for (i = 0;i <= 16;++i) {
- if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16) {
+ for (i = 0; i <= 16; ++i) {
+ if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16)
data->gpio_config[gpio_normal[i]] |= 0x02;
- }
}
/* Fan overrides input and output */
- for (i = 0;i <= 7;++i) {
- if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7) {
+ for (i = 0; i <= 7; ++i) {
+ if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7)
data->config2 &= ~(1 << gpio_fan[i]);
- }
}
/* Write new configs to registers */
@@ -538,7 +543,7 @@ static void adm1026_fixup_gpio(struct i2c_client *client)
data->config3 = (data->config3 & 0x3f)
| ((data->gpio_config[16] & 0x03) << 6);
adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3);
- for (i = 15, value = 0;i >= 0;--i) {
+ for (i = 15, value = 0; i >= 0; --i) {
value <<= 2;
value |= data->gpio_config[i] & 0x03;
if ((i & 0x03) == 0) {
@@ -563,22 +568,25 @@ static struct adm1026_data *adm1026_update_device(struct device *dev)
mutex_lock(&data->update_lock);
if (!data->valid
- || time_after(jiffies, data->last_reading + ADM1026_DATA_INTERVAL)) {
+ || time_after(jiffies,
+ data->last_reading + ADM1026_DATA_INTERVAL)) {
/* Things that change quickly */
dev_dbg(&client->dev, "Reading sensor values\n");
- for (i = 0;i <= 16;++i) {
+ for (i = 0; i <= 16; ++i) {
data->in[i] =
adm1026_read_value(client, ADM1026_REG_IN[i]);
}
- for (i = 0;i <= 7;++i) {
+ for (i = 0; i <= 7; ++i) {
data->fan[i] =
adm1026_read_value(client, ADM1026_REG_FAN(i));
}
- for (i = 0;i <= 2;++i) {
- /* NOTE: temp[] is s8 and we assume 2's complement
- * "conversion" in the assignment */
+ for (i = 0; i <= 2; ++i) {
+ /*
+ * NOTE: temp[] is s8 and we assume 2's complement
+ * "conversion" in the assignment
+ */
data->temp[i] =
adm1026_read_value(client, ADM1026_REG_TEMP[i]);
}
@@ -614,7 +622,7 @@ static struct adm1026_data *adm1026_update_device(struct device *dev)
time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) {
/* Things that don't change often */
dev_dbg(&client->dev, "Reading config values\n");
- for (i = 0;i <= 16;++i) {
+ for (i = 0; i <= 16; ++i) {
data->in_min[i] = adm1026_read_value(client,
ADM1026_REG_IN_MIN[i]);
data->in_max[i] = adm1026_read_value(client,
@@ -624,7 +632,7 @@ static struct adm1026_data *adm1026_update_device(struct device *dev)
value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3)
| (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7)
<< 8);
- for (i = 0;i <= 7;++i) {
+ for (i = 0; i <= 7; ++i) {
data->fan_min[i] = adm1026_read_value(client,
ADM1026_REG_FAN_MIN(i));
data->fan_div[i] = DIV_FROM_REG(value & 0x03);
@@ -632,7 +640,8 @@ static struct adm1026_data *adm1026_update_device(struct device *dev)
}
for (i = 0; i <= 2; ++i) {
- /* NOTE: temp_xxx[] are s8 and we assume 2's
+ /*
+ * NOTE: temp_xxx[] are s8 and we assume 2's
* complement "conversion" in the assignment
*/
data->temp_min[i] = adm1026_read_value(client,
@@ -681,7 +690,7 @@ static struct adm1026_data *adm1026_update_device(struct device *dev)
data->gpio_config[16] = (data->config3 >> 6) & 0x03;
value = 0;
- for (i = 0;i <= 15;++i) {
+ for (i = 0; i <= 15; ++i) {
if ((i & 0x03) == 0) {
value = adm1026_read_value(client,
ADM1026_REG_GPIO_CFG_0_3 + i/4);
@@ -721,7 +730,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_min[nr] = INS_TO_REG(nr, val);
@@ -744,7 +758,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_max[nr] = INS_TO_REG(nr, val);
@@ -779,23 +798,31 @@ in_reg(13);
in_reg(14);
in_reg(15);
-static ssize_t show_in16(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_in16(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct adm1026_data *data = adm1026_update_device(dev);
return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in[16]) -
NEG12_OFFSET);
}
-static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct adm1026_data *data = adm1026_update_device(dev);
return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_min[16])
- NEG12_OFFSET);
}
-static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET);
@@ -803,17 +830,24 @@ static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, c
mutex_unlock(&data->update_lock);
return count;
}
-static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct adm1026_data *data = adm1026_update_device(dev);
return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_max[16])
- NEG12_OFFSET);
}
-static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET);
@@ -823,10 +857,10 @@ static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, c
}
static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL, 16);
-static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min, set_in16_min, 16);
-static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max, set_in16_max, 16);
-
-
+static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min,
+ set_in16_min, 16);
+static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max,
+ set_in16_max, 16);
/* Now add fan read/write functions */
@@ -856,7 +890,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]);
@@ -890,9 +929,8 @@ static void fixup_fan_min(struct device *dev, int fan, int old_div)
int new_div = data->fan_div[fan];
/* 0 and 0xff are special. Don't adjust them */
- if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff) {
+ if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff)
return;
- }
new_min = data->fan_min[fan] * old_div / new_div;
new_min = SENSORS_LIMIT(new_min, 1, 254);
@@ -916,9 +954,14 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val, orig_div, new_div;
+ long val;
+ int orig_div, new_div;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
- val = simple_strtol(buf, NULL, 10);
new_div = DIV_TO_REG(val);
mutex_lock(&data->update_lock);
@@ -939,9 +982,9 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
(DIV_TO_REG(data->fan_div[7]) << 6));
}
- if (data->fan_div[nr] != orig_div) {
+ if (data->fan_div[nr] != orig_div)
fixup_fan_min(dev, nr, orig_div);
- }
+
mutex_unlock(&data->update_lock);
return count;
}
@@ -983,7 +1026,12 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_min[nr] = TEMP_TO_REG(val);
@@ -1007,7 +1055,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_max[nr] = TEMP_TO_REG(val);
@@ -1046,7 +1099,12 @@ static ssize_t set_temp_offset(struct device *dev,
int nr = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_offset[nr] = TEMP_TO_REG(val);
@@ -1056,8 +1114,8 @@ static ssize_t set_temp_offset(struct device *dev,
return count;
}
-#define temp_offset_reg(offset) \
-static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \
+#define temp_offset_reg(offset) \
+static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \
show_temp_offset, set_temp_offset, offset - 1);
temp_offset_reg(1);
@@ -1097,7 +1155,12 @@ static ssize_t set_temp_auto_point1_temp(struct device *dev,
int nr = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_tmin[nr] = TEMP_TO_REG(val);
@@ -1131,15 +1194,21 @@ static ssize_t set_temp_crit_enable(struct device *dev,
{
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
+ if (val > 1)
+ return -EINVAL;
+
+ mutex_lock(&data->update_lock);
+ data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
+ adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1);
+ mutex_unlock(&data->update_lock);
- if ((val == 1) || (val==0)) {
- mutex_lock(&data->update_lock);
- data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
- adm1026_write_value(client, ADM1026_REG_CONFIG1,
- data->config1);
- mutex_unlock(&data->update_lock);
- }
return count;
}
@@ -1166,7 +1235,12 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_crit[nr] = TEMP_TO_REG(val);
@@ -1184,17 +1258,24 @@ temp_crit_reg(1);
temp_crit_reg(2);
temp_crit_reg(3);
-static ssize_t show_analog_out_reg(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_analog_out_reg(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct adm1026_data *data = adm1026_update_device(dev);
return sprintf(buf, "%d\n", DAC_FROM_REG(data->analog_out));
}
-static ssize_t set_analog_out_reg(struct device *dev, struct device_attribute *attr, const char *buf,
- size_t count)
+static ssize_t set_analog_out_reg(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->analog_out = DAC_TO_REG(val);
@@ -1206,7 +1287,8 @@ static ssize_t set_analog_out_reg(struct device *dev, struct device_attribute *a
static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg,
set_analog_out_reg);
-static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct adm1026_data *data = adm1026_update_device(dev);
int vid = (data->gpio >> 11) & 0x1f;
@@ -1214,25 +1296,35 @@ static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, c
dev_dbg(dev, "Setting VID from GPIO11-15.\n");
return sprintf(buf, "%d\n", vid_from_reg(vid, data->vrm));
}
+
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
-static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct adm1026_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", data->vrm);
}
-static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
- size_t count)
+
+static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct adm1026_data *data = dev_get_drvdata(dev);
+ unsigned long val;
+ int err;
- data->vrm = simple_strtol(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
+ data->vrm = val;
return count;
}
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
-static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarms_reg(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct adm1026_data *data = adm1026_update_device(dev);
return sprintf(buf, "%ld\n", data->alarms);
@@ -1277,18 +1369,24 @@ static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 24);
static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 25);
static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 26);
-static ssize_t show_alarm_mask(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarm_mask(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct adm1026_data *data = adm1026_update_device(dev);
return sprintf(buf, "%ld\n", data->alarm_mask);
}
-static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr, const char *buf,
- size_t count)
+static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
unsigned long mask;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->alarm_mask = val & 0x7fffffff;
@@ -1313,18 +1411,24 @@ static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask,
set_alarm_mask);
-static ssize_t show_gpio(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_gpio(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct adm1026_data *data = adm1026_update_device(dev);
return sprintf(buf, "%ld\n", data->gpio);
}
-static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, const char *buf,
- size_t count)
+static ssize_t set_gpio(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
long gpio;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->gpio = val & 0x1ffff;
@@ -1340,19 +1444,24 @@ static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, const
static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio);
-
-static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct adm1026_data *data = adm1026_update_device(dev);
return sprintf(buf, "%ld\n", data->gpio_mask);
}
-static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr, const char *buf,
- size_t count)
+static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
long mask;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->gpio_mask = val & 0x1ffff;
@@ -1368,19 +1477,26 @@ static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr,
static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask);
-static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct adm1026_data *data = adm1026_update_device(dev);
return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm1.pwm));
}
-static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
- size_t count)
+
+static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
if (data->pwm1.enable == 1) {
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->pwm1.pwm = PWM_TO_REG(val);
@@ -1389,17 +1505,26 @@ static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr, co
}
return count;
}
-static ssize_t show_auto_pwm_min(struct device *dev, struct device_attribute *attr, char *buf)
+
+static ssize_t show_auto_pwm_min(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct adm1026_data *data = adm1026_update_device(dev);
return sprintf(buf, "%d\n", data->pwm1.auto_pwm_min);
}
-static ssize_t set_auto_pwm_min(struct device *dev, struct device_attribute *attr, const char *buf,
- size_t count)
+
+static ssize_t set_auto_pwm_min(struct device *dev,
+ struct device_attribute *attr, const char *buf,
+ size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->pwm1.auto_pwm_min = SENSORS_LIMIT(val, 0, 255);
@@ -1411,44 +1536,53 @@ static ssize_t set_auto_pwm_min(struct device *dev, struct device_attribute *att
mutex_unlock(&data->update_lock);
return count;
}
-static ssize_t show_auto_pwm_max(struct device *dev, struct device_attribute *attr, char *buf)
+
+static ssize_t show_auto_pwm_max(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%d\n", ADM1026_PWM_MAX);
}
-static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf)
+
+static ssize_t show_pwm_enable(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct adm1026_data *data = adm1026_update_device(dev);
return sprintf(buf, "%d\n", data->pwm1.enable);
}
-static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, const char *buf,
- size_t count)
+
+static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct adm1026_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
int old_enable;
+ unsigned long val;
+ int err;
- if ((val >= 0) && (val < 3)) {
- mutex_lock(&data->update_lock);
- old_enable = data->pwm1.enable;
- data->pwm1.enable = val;
- data->config1 = (data->config1 & ~CFG1_PWM_AFC)
- | ((val == 2) ? CFG1_PWM_AFC : 0);
- adm1026_write_value(client, ADM1026_REG_CONFIG1,
- data->config1);
- if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */
- data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
- PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
- adm1026_write_value(client, ADM1026_REG_PWM,
- data->pwm1.pwm);
- } else if (!((old_enable == 1) && (val == 1))) {
- /* set pwm to safe value */
- data->pwm1.pwm = 255;
- adm1026_write_value(client, ADM1026_REG_PWM,
- data->pwm1.pwm);
- }
- mutex_unlock(&data->update_lock);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
+ if (val >= 3)
+ return -EINVAL;
+
+ mutex_lock(&data->update_lock);
+ old_enable = data->pwm1.enable;
+ data->pwm1.enable = val;
+ data->config1 = (data->config1 & ~CFG1_PWM_AFC)
+ | ((val == 2) ? CFG1_PWM_AFC : 0);
+ adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1);
+ if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */
+ data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
+ PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
+ adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
+ } else if (!((old_enable == 1) && (val == 1))) {
+ /* set pwm to safe value */
+ data->pwm1.pwm = 255;
+ adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
}
+ mutex_unlock(&data->update_lock);
+
return count;
}
@@ -1716,7 +1850,8 @@ static int adm1026_probe(struct i2c_client *client,
adm1026_init_client(client);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&client->dev.kobj, &adm1026_group)))
+ err = sysfs_create_group(&client->dev.kobj, &adm1026_group);
+ if (err)
goto exitfree;
if (data->config1 & CFG1_AIN8_9)
err = sysfs_create_group(&client->dev.kobj,
@@ -1761,20 +1896,9 @@ static int adm1026_remove(struct i2c_client *client)
return 0;
}
-static int __init sm_adm1026_init(void)
-{
- return i2c_add_driver(&adm1026_driver);
-}
-
-static void __exit sm_adm1026_exit(void)
-{
- i2c_del_driver(&adm1026_driver);
-}
+module_i2c_driver(adm1026_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
"Justin Thiessen <jthiessen@penguincomputing.com>");
MODULE_DESCRIPTION("ADM1026 driver");
-
-module_init(sm_adm1026_init);
-module_exit(sm_adm1026_exit);
diff --git a/drivers/hwmon/adm1029.c b/drivers/hwmon/adm1029.c
index 0b8a3b145bd..80cc465d8ac 100644
--- a/drivers/hwmon/adm1029.c
+++ b/drivers/hwmon/adm1029.c
@@ -78,7 +78,7 @@ static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d,
#define TEMP_FROM_REG(val) ((val) * 1000)
-#define DIV_FROM_REG(val) ( 1 << (((val) >> 6) - 1))
+#define DIV_FROM_REG(val) (1 << (((val) >> 6) - 1))
/* Registers to be checked by adm1029_update_device() */
static const u8 ADM1029_REG_TEMP[] = {
@@ -200,8 +200,11 @@ static ssize_t set_fan_div(struct device *dev,
struct i2c_client *client = to_i2c_client(dev);
struct adm1029_data *data = i2c_get_clientdata(client);
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- long val = simple_strtol(buf, NULL, 10);
u8 reg;
+ long val;
+ int ret = kstrtol(buf, 10, &val);
+ if (ret < 0)
+ return ret;
mutex_lock(&data->update_lock);
@@ -237,9 +240,9 @@ static ssize_t set_fan_div(struct device *dev,
}
/*
-Access rights on sysfs, S_IRUGO stand for Is Readable by User, Group and Others
- S_IWUSR stand for Is Writable by User
-*/
+ * Access rights on sysfs. S_IRUGO: Is Readable by User, Group and Others
+ * S_IWUSR: Is Writable by User.
+ */
static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
@@ -300,7 +303,8 @@ static int adm1029_detect(struct i2c_client *client,
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -ENODEV;
- /* ADM1029 doesn't have CHIP ID, check just MAN ID
+ /*
+ * ADM1029 doesn't have CHIP ID, check just MAN ID
* For better detection we check also ADM1029_TEMP_DEVICES_INSTALLED,
* ADM1029_REG_NB_FAN_SUPPORT and compare it with possible values
* documented
@@ -318,8 +322,10 @@ static int adm1029_detect(struct i2c_client *client,
return -ENODEV;
if ((chip_id & 0xF0) != 0x00) {
- /* There are no "official" CHIP ID, so actually
- * we use Major/Minor revision for that */
+ /*
+ * There are no "official" CHIP ID, so actually
+ * we use Major/Minor revision for that
+ */
pr_info("adm1029: Unknown major revision %x, "
"please let us know\n", chip_id);
return -ENODEV;
@@ -355,7 +361,8 @@ static int adm1029_probe(struct i2c_client *client,
}
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&client->dev.kobj, &adm1029_group)))
+ err = sysfs_create_group(&client->dev.kobj, &adm1029_group);
+ if (err)
goto exit_free;
data->hwmon_dev = hwmon_device_register(&client->dev);
@@ -403,8 +410,8 @@ static int adm1029_remove(struct i2c_client *client)
}
/*
-function that update the status of the chips (temperature for example)
-*/
+ * function that update the status of the chips (temperature for example)
+ */
static struct adm1029_data *adm1029_update_device(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
@@ -446,24 +453,8 @@ static struct adm1029_data *adm1029_update_device(struct device *dev)
return data;
}
-/*
- Common module stuff
-*/
-static int __init sensors_adm1029_init(void)
-{
-
- return i2c_add_driver(&adm1029_driver);
-}
-
-static void __exit sensors_adm1029_exit(void)
-{
-
- i2c_del_driver(&adm1029_driver);
-}
+module_i2c_driver(adm1029_driver);
MODULE_AUTHOR("Corentin LABBE <corentin.labbe@geomatys.fr>");
MODULE_DESCRIPTION("adm1029 driver");
MODULE_LICENSE("GPL v2");
-
-module_init(sensors_adm1029_init);
-module_exit(sensors_adm1029_exit);
diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c
index 97e2cfb0bc9..ff37363ea5b 100644
--- a/drivers/hwmon/adm1031.c
+++ b/drivers/hwmon/adm1031.c
@@ -1,25 +1,25 @@
/*
- adm1031.c - Part of lm_sensors, Linux kernel modules for hardware
- monitoring
- Based on lm75.c and lm85.c
- Supports adm1030 / adm1031
- Copyright (C) 2004 Alexandre d'Alton <alex@alexdalton.org>
- Reworked by Jean Delvare <khali@linux-fr.org>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * adm1031.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ * Based on lm75.c and lm85.c
+ * Supports adm1030 / adm1031
+ * Copyright (C) 2004 Alexandre d'Alton <alex@alexdalton.org>
+ * Reworked by Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -80,7 +80,8 @@ struct adm1031_data {
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
unsigned int update_interval; /* In milliseconds */
- /* The chan_select_table contains the possible configurations for
+ /*
+ * The chan_select_table contains the possible configurations for
* auto fan control.
*/
const auto_chan_table_t *chan_select_table;
@@ -205,7 +206,8 @@ static int AUTO_TEMP_MAX_TO_REG(int val, int reg, int pwm)
#define GET_FAN_AUTO_BITFIELD(data, idx) \
(*(data)->chan_select_table)[FAN_CHAN_FROM_REG((data)->conf1)][idx % 2]
-/* The tables below contains the possible values for the auto fan
+/*
+ * The tables below contains the possible values for the auto fan
* control bitfields. the index in the table is the register value.
* MSb is the auto fan control enable bit, so the four first entries
* in the table disables auto fan control when both bitfields are zero.
@@ -226,7 +228,8 @@ static const auto_chan_table_t auto_channel_select_table_adm1030 = {
{ 3 /* 0b11 */ , 0 },
};
-/* That function checks if a bitfield is valid and returns the other bitfield
+/*
+ * That function checks if a bitfield is valid and returns the other bitfield
* nearest match if no exact match where found.
*/
static int
@@ -252,7 +255,8 @@ get_fan_auto_nearest(struct adm1031_data *data,
break;
} else if (val == (*data->chan_select_table)[i][chan] &&
first_match == -1) {
- /* Save the first match in case of an exact match has
+ /*
+ * Save the first match in case of an exact match has
* not been found
*/
first_match = i;
@@ -306,9 +310,11 @@ set_fan_auto_channel(struct device *dev, struct device_attribute *attr,
if ((data->conf1 & ADM1031_CONF1_AUTO_MODE) ^
(old_fan_mode & ADM1031_CONF1_AUTO_MODE)) {
if (data->conf1 & ADM1031_CONF1_AUTO_MODE) {
- /* Switch to Auto Fan Mode
+ /*
+ * Switch to Auto Fan Mode
* Save PWM registers
- * Set PWM registers to 33% Both */
+ * Set PWM registers to 33% Both
+ */
data->old_pwm[0] = data->pwm[0];
data->old_pwm[1] = data->pwm[1];
adm1031_write_value(client, ADM1031_REG_PWM, 0x55);
@@ -1131,19 +1137,8 @@ static struct adm1031_data *adm1031_update_device(struct device *dev)
return data;
}
-static int __init sensors_adm1031_init(void)
-{
- return i2c_add_driver(&adm1031_driver);
-}
-
-static void __exit sensors_adm1031_exit(void)
-{
- i2c_del_driver(&adm1031_driver);
-}
+module_i2c_driver(adm1031_driver);
MODULE_AUTHOR("Alexandre d'Alton <alex@alexdalton.org>");
MODULE_DESCRIPTION("ADM1031/ADM1030 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_adm1031_init);
-module_exit(sensors_adm1031_exit);
diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c
index 3f63f5f9741..c3c2865a896 100644
--- a/drivers/hwmon/adm9240.c
+++ b/drivers/hwmon/adm9240.c
@@ -1,12 +1,12 @@
/*
* adm9240.c Part of lm_sensors, Linux kernel modules for hardware
- * monitoring
+ * monitoring
*
* Copyright (C) 1999 Frodo Looijaard <frodol@dds.nl>
* Philip Edelbrock <phil@netroedge.com>
* Copyright (C) 2003 Michiel Rook <michiel@grendelproject.nl>
* Copyright (C) 2005 Grant Coady <gcoady.lk@gmail.com> with valuable
- * guidance from Jean Delvare
+ * guidance from Jean Delvare
*
* Driver supports Analog Devices ADM9240
* Dallas Semiconductor DS1780
@@ -204,7 +204,12 @@ static ssize_t set_max(struct device *dev, struct device_attribute *devattr,
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct adm9240_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_max[attr->index] = TEMP_TO_REG(val);
@@ -255,7 +260,12 @@ static ssize_t set_in_min(struct device *dev,
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct adm9240_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_min[attr->index] = IN_TO_REG(val, attr->index);
@@ -272,7 +282,12 @@ static ssize_t set_in_max(struct device *dev,
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct adm9240_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_max[attr->index] = IN_TO_REG(val, attr->index);
@@ -283,7 +298,7 @@ static ssize_t set_in_max(struct device *dev,
}
#define vin(nr) \
-static SENSOR_DEVICE_ATTR(in##nr##_input, S_IRUGO, \
+static SENSOR_DEVICE_ATTR(in##nr##_input, S_IRUGO, \
show_in, NULL, nr); \
static SENSOR_DEVICE_ATTR(in##nr##_min, S_IRUGO | S_IWUSR, \
show_in_min, set_in_min, nr); \
@@ -357,9 +372,14 @@ static ssize_t set_fan_min(struct device *dev,
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct adm9240_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
int nr = attr->index;
u8 new_div;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -465,7 +485,12 @@ static ssize_t set_aout(struct device *dev,
{
struct i2c_client *client = to_i2c_client(dev);
struct adm9240_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->aout = AOUT_TO_REG(val);
@@ -481,7 +506,12 @@ static ssize_t chassis_clear_legacy(struct device *dev,
const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
- unsigned long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
dev_warn(dev, "Attribute chassis_clear is deprecated, "
"use intrusion0_alarm instead\n");
@@ -632,7 +662,8 @@ static int adm9240_probe(struct i2c_client *new_client,
adm9240_init_client(new_client);
/* populate sysfs filesystem */
- if ((err = sysfs_create_group(&new_client->dev.kobj, &adm9240_group)))
+ err = sysfs_create_group(&new_client->dev.kobj, &adm9240_group);
+ if (err)
goto exit_free;
data->hwmon_dev = hwmon_device_register(&new_client->dev);
@@ -681,8 +712,7 @@ static void adm9240_init_client(struct i2c_client *client)
} else { /* cold start: open limits before starting chip */
int i;
- for (i = 0; i < 6; i++)
- {
+ for (i = 0; i < 6; i++) {
i2c_smbus_write_byte_data(client,
ADM9240_REG_IN_MIN(i), 0);
i2c_smbus_write_byte_data(client,
@@ -717,8 +747,7 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
if (time_after(jiffies, data->last_updated_measure + (HZ * 7 / 4))
|| !data->valid) {
- for (i = 0; i < 6; i++) /* read voltages */
- {
+ for (i = 0; i < 6; i++) { /* read voltages */
data->in[i] = i2c_smbus_read_byte_data(client,
ADM9240_REG_IN(i));
}
@@ -727,16 +756,17 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
i2c_smbus_read_byte_data(client,
ADM9240_REG_INT(1)) << 8;
- /* read temperature: assume temperature changes less than
+ /*
+ * read temperature: assume temperature changes less than
* 0.5'C per two measurement cycles thus ignore possible
- * but unlikely aliasing error on lsb reading. --Grant */
+ * but unlikely aliasing error on lsb reading. --Grant
+ */
data->temp = ((i2c_smbus_read_byte_data(client,
ADM9240_REG_TEMP) << 8) |
i2c_smbus_read_byte_data(client,
ADM9240_REG_TEMP_CONF)) / 128;
- for (i = 0; i < 2; i++) /* read fans */
- {
+ for (i = 0; i < 2; i++) { /* read fans */
data->fan[i] = i2c_smbus_read_byte_data(client,
ADM9240_REG_FAN(i));
@@ -760,15 +790,13 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
if (time_after(jiffies, data->last_updated_config + (HZ * 300))
|| !data->valid) {
- for (i = 0; i < 6; i++)
- {
+ for (i = 0; i < 6; i++) {
data->in_min[i] = i2c_smbus_read_byte_data(client,
ADM9240_REG_IN_MIN(i));
data->in_max[i] = i2c_smbus_read_byte_data(client,
ADM9240_REG_IN_MAX(i));
}
- for (i = 0; i < 2; i++)
- {
+ for (i = 0; i < 2; i++) {
data->fan_min[i] = i2c_smbus_read_byte_data(client,
ADM9240_REG_FAN_MIN(i));
}
@@ -795,21 +823,9 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
return data;
}
-static int __init sensors_adm9240_init(void)
-{
- return i2c_add_driver(&adm9240_driver);
-}
-
-static void __exit sensors_adm9240_exit(void)
-{
- i2c_del_driver(&adm9240_driver);
-}
+module_i2c_driver(adm9240_driver);
MODULE_AUTHOR("Michiel Rook <michiel@grendelproject.nl>, "
"Grant Coady <gcoady.lk@gmail.com> and others");
MODULE_DESCRIPTION("ADM9240/DS1780/LM81 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_adm9240_init);
-module_exit(sensors_adm9240_exit);
-
diff --git a/drivers/hwmon/ads1015.c b/drivers/hwmon/ads1015.c
index dd87ae96c26..7765e4f74ec 100644
--- a/drivers/hwmon/ads1015.c
+++ b/drivers/hwmon/ads1015.c
@@ -305,19 +305,8 @@ static struct i2c_driver ads1015_driver = {
.id_table = ads1015_id,
};
-static int __init sensors_ads1015_init(void)
-{
- return i2c_add_driver(&ads1015_driver);
-}
-
-static void __exit sensors_ads1015_exit(void)
-{
- i2c_del_driver(&ads1015_driver);
-}
+module_i2c_driver(ads1015_driver);
MODULE_AUTHOR("Dirk Eibach <eibach@gdsys.de>");
MODULE_DESCRIPTION("ADS1015 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_ads1015_init);
-module_exit(sensors_ads1015_exit);
diff --git a/drivers/hwmon/ads7828.c b/drivers/hwmon/ads7828.c
index ed60242d6a0..bf3fdf49559 100644
--- a/drivers/hwmon/ads7828.c
+++ b/drivers/hwmon/ads7828.c
@@ -1,27 +1,27 @@
/*
- ads7828.c - lm_sensors driver for ads7828 12-bit 8-channel ADC
- (C) 2007 EADS Astrium
-
- This driver is based on the lm75 and other lm_sensors/hwmon drivers
-
- Written by Steve Hardy <shardy@redhat.com>
-
- Datasheet available at: http://focus.ti.com/lit/ds/symlink/ads7828.pdf
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * ads7828.c - lm_sensors driver for ads7828 12-bit 8-channel ADC
+ * (C) 2007 EADS Astrium
+ *
+ * This driver is based on the lm75 and other lm_sensors/hwmon drivers
+ *
+ * Written by Steve Hardy <shardy@redhat.com>
+ *
+ * Datasheet available at: http://focus.ti.com/lit/ds/symlink/ads7828.pdf
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -188,12 +188,13 @@ static int ads7828_detect(struct i2c_client *client,
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_WORD_DATA))
return -ENODEV;
- /* Now, we do the remaining detection. There is no identification
- dedicated register so attempt to sanity check using knowledge of
- the chip
- - Read from the 8 channel addresses
- - Check the top 4 bits of each result are not set (12 data bits)
- */
+ /*
+ * Now, we do the remaining detection. There is no identification
+ * dedicated register so attempt to sanity check using knowledge of
+ * the chip
+ * - Read from the 8 channel addresses
+ * - Check the top 4 bits of each result are not set (12 data bits)
+ */
for (ch = 0; ch < ADS7828_NCH; ch++) {
u16 in_data;
u8 cmd = channel_cmd_byte(ch);
diff --git a/drivers/hwmon/ads7871.c b/drivers/hwmon/ads7871.c
index 04450f8bf5d..e65c6e45d36 100644
--- a/drivers/hwmon/ads7871.c
+++ b/drivers/hwmon/ads7871.c
@@ -34,9 +34,11 @@
#define REG_SER_CONTROL 24 /*Serial Interface Control Register*/
#define REG_ID 31 /*ID Register*/
-/*From figure 17 in the datasheet
-* These bits get ORed with the address to form
-* the instruction byte */
+/*
+ * From figure 17 in the datasheet
+ * These bits get ORed with the address to form
+ * the instruction byte
+ */
/*Instruction Bit masks*/
#define INST_MODE_bm (1<<7)
#define INST_READ_bm (1<<6)
@@ -105,8 +107,10 @@ static ssize_t show_voltage(struct device *dev,
uint8_t channel, mux_cnv;
channel = attr->index;
- /*TODO: add support for conversions
- *other than single ended with a gain of 1*/
+ /*
+ * TODO: add support for conversions
+ * other than single ended with a gain of 1
+ */
/*MUX_M3_bm forces single ended*/
/*This is also where the gain of the PGA would be set*/
ads7871_write_reg8(spi, REG_GAIN_MUX,
@@ -114,8 +118,10 @@ static ssize_t show_voltage(struct device *dev,
ret = ads7871_read_reg8(spi, REG_GAIN_MUX);
mux_cnv = ((ret & MUX_CNV_bm)>>MUX_CNV_bv);
- /*on 400MHz arm9 platform the conversion
- *is already done when we do this test*/
+ /*
+ * on 400MHz arm9 platform the conversion
+ * is already done when we do this test
+ */
while ((i < 2) && mux_cnv) {
i++;
ret = ads7871_read_reg8(spi, REG_GAIN_MUX);
@@ -179,8 +185,10 @@ static int __devinit ads7871_probe(struct spi_device *spi)
ret = ads7871_read_reg8(spi, REG_OSC_CONTROL);
dev_dbg(&spi->dev, "REG_OSC_CONTROL write:%x, read:%x\n", val, ret);
- /*because there is no other error checking on an SPI bus
- we need to make sure we really have a chip*/
+ /*
+ * because there is no other error checking on an SPI bus
+ * we need to make sure we really have a chip
+ */
if (val != ret) {
err = -ENODEV;
goto exit;
@@ -234,18 +242,7 @@ static struct spi_driver ads7871_driver = {
.remove = __devexit_p(ads7871_remove),
};
-static int __init ads7871_init(void)
-{
- return spi_register_driver(&ads7871_driver);
-}
-
-static void __exit ads7871_exit(void)
-{
- spi_unregister_driver(&ads7871_driver);
-}
-
-module_init(ads7871_init);
-module_exit(ads7871_exit);
+module_spi_driver(ads7871_driver);
MODULE_AUTHOR("Paul Thomas <pthomas8589@gmail.com>");
MODULE_DESCRIPTION("TI ADS7871 A/D driver");
diff --git a/drivers/hwmon/adt7411.c b/drivers/hwmon/adt7411.c
index 5b02f7a9101..71bacc56e13 100644
--- a/drivers/hwmon/adt7411.c
+++ b/drivers/hwmon/adt7411.c
@@ -8,7 +8,7 @@
* published by the Free Software Foundation.
*
* TODO: SPI, support for external temperature sensor
- * use power-down mode for suspend?, interrupt handling?
+ * use power-down mode for suspend?, interrupt handling?
*/
#include <linux/kernel.h>
@@ -348,17 +348,7 @@ static struct i2c_driver adt7411_driver = {
.class = I2C_CLASS_HWMON,
};
-static int __init sensors_adt7411_init(void)
-{
- return i2c_add_driver(&adt7411_driver);
-}
-module_init(sensors_adt7411_init)
-
-static void __exit sensors_adt7411_exit(void)
-{
- i2c_del_driver(&adt7411_driver);
-}
-module_exit(sensors_adt7411_exit)
+module_i2c_driver(adt7411_driver);
MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de> and "
"Wolfram Sang <w.sang@pengutronix.de>");
diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c
index 7a1494846cf..339269f76e5 100644
--- a/drivers/hwmon/adt7462.c
+++ b/drivers/hwmon/adt7462.c
@@ -65,8 +65,8 @@ static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END };
#define ADT7462_REG_PWM_TEMP_MIN_MAX_ADDR 0x5F
#define ADT7462_REG_PWM_TEMP_RANGE_BASE_ADDR 0x60
#define ADT7462_REG_PWM_TEMP_RANGE_MAX_ADDR 0x63
-#define ADT7462_PWM_HYST_MASK 0x0F
-#define ADT7462_PWM_RANGE_MASK 0xF0
+#define ADT7462_PWM_HYST_MASK 0x0F
+#define ADT7462_PWM_RANGE_MASK 0xF0
#define ADT7462_PWM_RANGE_SHIFT 4
#define ADT7462_REG_PWM_CFG_BASE_ADDR 0x21
#define ADT7462_REG_PWM_CFG_MAX_ADDR 0x24
@@ -85,7 +85,7 @@ static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END };
#define ADT7462_PIN15_INPUT 0x20
#define ADT7462_PIN13_INPUT 0x40
#define ADT7462_PIN8_INPUT 0x80
-#define ADT7462_PIN23_MASK 0x03
+#define ADT7462_PIN23_MASK 0x03
#define ADT7462_PIN23_SHIFT 0
#define ADT7462_PIN26_MASK 0x0C /* cfg2 */
#define ADT7462_PIN26_SHIFT 2
@@ -99,7 +99,7 @@ static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END };
#define ADT7462_PIN28_VOLT 0x5
#define ADT7462_REG_ALARM1 0xB8
-#define ADT7462_LT_ALARM 0x02
+#define ADT7462_LT_ALARM 0x02
#define ADT7462_R1T_ALARM 0x04
#define ADT7462_R2T_ALARM 0x08
#define ADT7462_R3T_ALARM 0x10
@@ -135,9 +135,9 @@ static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END };
#define ADT7462_ALARM_FLAG_MASK 0x0F
#define ADT7462_TEMP_COUNT 4
-#define ADT7462_TEMP_REG(x) (ADT7462_REG_TEMP_BASE_ADDR + (x * 2))
-#define ADT7462_TEMP_MIN_REG(x) (ADT7462_REG_MIN_TEMP_BASE_ADDR + (x))
-#define ADT7462_TEMP_MAX_REG(x) (ADT7462_REG_MAX_TEMP_BASE_ADDR + (x))
+#define ADT7462_TEMP_REG(x) (ADT7462_REG_TEMP_BASE_ADDR + ((x) * 2))
+#define ADT7462_TEMP_MIN_REG(x) (ADT7462_REG_MIN_TEMP_BASE_ADDR + (x))
+#define ADT7462_TEMP_MAX_REG(x) (ADT7462_REG_MAX_TEMP_BASE_ADDR + (x))
#define TEMP_FRAC_OFFSET 6
#define ADT7462_FAN_COUNT 8
@@ -1727,8 +1727,7 @@ static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IWUSR | S_IRUGO,
static SENSOR_DEVICE_ATTR(pwm4_auto_channels_temp, S_IWUSR | S_IRUGO,
show_pwm_auto_temp, set_pwm_auto_temp, 3);
-static struct attribute *adt7462_attr[] =
-{
+static struct attribute *adt7462_attr[] = {
&sensor_dev_attr_temp1_max.dev_attr.attr,
&sensor_dev_attr_temp2_max.dev_attr.attr,
&sensor_dev_attr_temp3_max.dev_attr.attr,
@@ -1975,19 +1974,8 @@ static int adt7462_remove(struct i2c_client *client)
return 0;
}
-static int __init adt7462_init(void)
-{
- return i2c_add_driver(&adt7462_driver);
-}
-
-static void __exit adt7462_exit(void)
-{
- i2c_del_driver(&adt7462_driver);
-}
+module_i2c_driver(adt7462_driver);
MODULE_AUTHOR("Darrick J. Wong <djwong@us.ibm.com>");
MODULE_DESCRIPTION("ADT7462 driver");
MODULE_LICENSE("GPL");
-
-module_init(adt7462_init);
-module_exit(adt7462_exit);
diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
index 5e10c79f2df..54ec890521f 100644
--- a/drivers/hwmon/adt7470.c
+++ b/drivers/hwmon/adt7470.c
@@ -1131,8 +1131,7 @@ static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IWUSR | S_IRUGO,
static SENSOR_DEVICE_ATTR(pwm4_auto_channels_temp, S_IWUSR | S_IRUGO,
show_pwm_auto_temp, set_pwm_auto_temp, 3);
-static struct attribute *adt7470_attr[] =
-{
+static struct attribute *adt7470_attr[] = {
&dev_attr_alarm_mask.attr,
&dev_attr_num_temp_sensors.attr,
&dev_attr_auto_update_interval.attr,
@@ -1276,7 +1275,8 @@ static int adt7470_probe(struct i2c_client *client,
/* Register sysfs hooks */
data->attrs.attrs = adt7470_attr;
- if ((err = sysfs_create_group(&client->dev.kobj, &data->attrs)))
+ err = sysfs_create_group(&client->dev.kobj, &data->attrs);
+ if (err)
goto exit_free;
data->hwmon_dev = hwmon_device_register(&client->dev);
@@ -1317,19 +1317,8 @@ static int adt7470_remove(struct i2c_client *client)
return 0;
}
-static int __init adt7470_init(void)
-{
- return i2c_add_driver(&adt7470_driver);
-}
-
-static void __exit adt7470_exit(void)
-{
- i2c_del_driver(&adt7470_driver);
-}
+module_i2c_driver(adt7470_driver);
MODULE_AUTHOR("Darrick J. Wong <djwong@us.ibm.com>");
MODULE_DESCRIPTION("ADT7470 driver");
MODULE_LICENSE("GPL");
-
-module_init(adt7470_init);
-module_exit(adt7470_exit);
diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c
index 7dab3547fee..df29d13a534 100644
--- a/drivers/hwmon/adt7475.c
+++ b/drivers/hwmon/adt7475.c
@@ -32,9 +32,10 @@
#define THERM 5
#define HYSTERSIS 6
-/* These are unique identifiers for the sysfs functions - unlike the
- numbers above, these are not also indexes into an array
-*/
+/*
+ * These are unique identifiers for the sysfs functions - unlike the
+ * numbers above, these are not also indexes into an array
+ */
#define ALARM 9
#define FAULT 10
@@ -288,8 +289,10 @@ static void adt7475_write_word(struct i2c_client *client, int reg, u16 val)
i2c_smbus_write_byte_data(client, reg, val & 0xFF);
}
-/* Find the nearest value in a table - used for pwm frequency and
- auto temp range */
+/*
+ * Find the nearest value in a table - used for pwm frequency and
+ * auto temp range
+ */
static int find_nearest(long val, const int *array, int size)
{
int i;
@@ -385,16 +388,20 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
out = (out >> 4) & 0xF;
else
out = (out & 0xF);
- /* Show the value as an absolute number tied to
- * THERM */
+ /*
+ * Show the value as an absolute number tied to
+ * THERM
+ */
out = reg2temp(data, data->temp[THERM][sattr->index]) -
out * 1000;
mutex_unlock(&data->lock);
break;
case OFFSET:
- /* Offset is always 2's complement, regardless of the
- * setting in CONFIG5 */
+ /*
+ * Offset is always 2's complement, regardless of the
+ * setting in CONFIG5
+ */
mutex_lock(&data->lock);
out = (s8)data->temp[sattr->nr][sattr->index];
if (data->config5 & CONFIG5_TEMPOFFSET)
@@ -452,8 +459,10 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
break;
case HYSTERSIS:
- /* The value will be given as an absolute value, turn it
- into an offset based on THERM */
+ /*
+ * The value will be given as an absolute value, turn it
+ * into an offset based on THERM
+ */
/* Read fresh THERM and HYSTERSIS values from the chip */
data->temp[THERM][sattr->index] =
@@ -478,8 +487,10 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
default:
data->temp[sattr->nr][sattr->index] = temp2reg(data, val);
- /* We maintain an extra 2 digits of precision for simplicity
- * - shift those back off before writing the value */
+ /*
+ * We maintain an extra 2 digits of precision for simplicity
+ * - shift those back off before writing the value
+ */
out = (u8) (data->temp[sattr->nr][sattr->index] >> 2);
}
@@ -514,8 +525,10 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
return count;
}
-/* Table of autorange values - the user will write the value in millidegrees,
- and we'll convert it */
+/*
+ * Table of autorange values - the user will write the value in millidegrees,
+ * and we'll convert it
+ */
static const int autorange_table[] = {
2000, 2500, 3330, 4000, 5000, 6670, 8000,
10000, 13330, 16000, 20000, 26670, 32000, 40000,
@@ -558,8 +571,10 @@ static ssize_t set_point2(struct device *dev, struct device_attribute *attr,
data->range[sattr->index] =
adt7475_read(TEMP_TRANGE_REG(sattr->index));
- /* The user will write an absolute value, so subtract the start point
- to figure the range */
+ /*
+ * The user will write an absolute value, so subtract the start point
+ * to figure the range
+ */
temp = reg2temp(data, data->temp[AUTOMIN][sattr->index]);
val = SENSORS_LIMIT(val, temp + autorange_table[0],
temp + autorange_table[ARRAY_SIZE(autorange_table) - 1]);
@@ -664,8 +679,10 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
data->pwm[CONTROL][sattr->index] =
adt7475_read(PWM_CONFIG_REG(sattr->index));
- /* If we are not in manual mode, then we shouldn't allow
- * the user to set the pwm speed */
+ /*
+ * If we are not in manual mode, then we shouldn't allow
+ * the user to set the pwm speed
+ */
if (((data->pwm[CONTROL][sattr->index] >> 5) & 7) != 7) {
mutex_unlock(&data->lock);
return count;
@@ -1232,7 +1249,7 @@ static void adt7475_remove_files(struct i2c_client *client,
static int adt7475_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
- static const char *names[] = {
+ static const char * const names[] = {
[adt7473] = "ADT7473",
[adt7475] = "ADT7475",
[adt7476] = "ADT7476",
@@ -1280,9 +1297,11 @@ static int adt7475_probe(struct i2c_client *client,
if ((data->config4 & CONFIG4_PINFUNC) == 0x0)
data->has_fan4 = 1;
- /* THERM configuration is more complex on the ADT7476 and ADT7490,
- because 2 different pins (TACH4 and +2.5 Vin) can be used for
- this function */
+ /*
+ * THERM configuration is more complex on the ADT7476 and ADT7490,
+ * because 2 different pins (TACH4 and +2.5 Vin) can be used for
+ * this function
+ */
if (id->driver_data == adt7490) {
if ((data->config4 & CONFIG4_PINFUNC) == 0x1 &&
!(config3 & CONFIG3_THERM))
@@ -1294,8 +1313,10 @@ static int adt7475_probe(struct i2c_client *client,
data->has_voltage |= (1 << 0); /* in0 */
}
- /* On the ADT7476, the +12V input pin may instead be used as VID5,
- and VID pins may alternatively be used as GPIO */
+ /*
+ * On the ADT7476, the +12V input pin may instead be used as VID5,
+ * and VID pins may alternatively be used as GPIO
+ */
if (id->driver_data == adt7476) {
u8 vid = adt7475_read(REG_VID);
if (!(vid & VID_VIDSEL))
@@ -1314,8 +1335,10 @@ static int adt7475_probe(struct i2c_client *client,
}
data->bypass_attn &= data->has_voltage;
- /* Call adt7475_read_pwm for all pwm's as this will reprogram any
- pwm's which are disabled to manual mode with 0% duty cycle */
+ /*
+ * Call adt7475_read_pwm for all pwm's as this will reprogram any
+ * pwm's which are disabled to manual mode with 0% duty cycle
+ */
for (i = 0; i < ADT7475_PWM_COUNT; i++)
adt7475_read_pwm(client, i);
@@ -1431,8 +1454,10 @@ static void adt7475_read_pwm(struct i2c_client *client, int index)
data->pwm[CONTROL][index] = adt7475_read(PWM_CONFIG_REG(index));
- /* Figure out the internal value for pwmctrl and pwmchan
- based on the current settings */
+ /*
+ * Figure out the internal value for pwmctrl and pwmchan
+ * based on the current settings
+ */
v = (data->pwm[CONTROL][index] >> 5) & 7;
if (v == 3)
@@ -1440,10 +1465,11 @@ static void adt7475_read_pwm(struct i2c_client *client, int index)
else if (v == 7)
data->pwmctl[index] = 1;
else if (v == 4) {
- /* The fan is disabled - we don't want to
- support that, so change to manual mode and
- set the duty cycle to 0 instead
- */
+ /*
+ * The fan is disabled - we don't want to
+ * support that, so change to manual mode and
+ * set the duty cycle to 0 instead
+ */
data->pwm[INPUT][index] = 0;
data->pwm[CONTROL][index] &= ~0xE0;
data->pwm[CONTROL][index] |= (7 << 5);
@@ -1600,19 +1626,8 @@ static struct adt7475_data *adt7475_update_device(struct device *dev)
return data;
}
-static int __init sensors_adt7475_init(void)
-{
- return i2c_add_driver(&adt7475_driver);
-}
-
-static void __exit sensors_adt7475_exit(void)
-{
- i2c_del_driver(&adt7475_driver);
-}
+module_i2c_driver(adt7475_driver);
MODULE_AUTHOR("Advanced Micro Devices, Inc");
MODULE_DESCRIPTION("adt7475 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_adt7475_init);
-module_exit(sensors_adt7475_exit);
diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c
index 89a6b9da0ec..f600fa1f92e 100644
--- a/drivers/hwmon/amc6821.c
+++ b/drivers/hwmon/amc6821.c
@@ -1,25 +1,25 @@
/*
- amc6821.c - Part of lm_sensors, Linux kernel modules for hardware
- monitoring
- Copyright (C) 2009 T. Mertelj <tomaz.mertelj@guest.arnes.si>
-
- Based on max6650.c:
- Copyright (C) 2007 Hans J. Koch <hjk@hansjkoch.de>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * amc6821.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ * Copyright (C) 2009 T. Mertelj <tomaz.mertelj@guest.arnes.si>
+ *
+ * Based on max6650.c:
+ * Copyright (C) 2007 Hans J. Koch <hjk@hansjkoch.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#include <linux/kernel.h> /* Needed for KERN_INFO */
@@ -47,7 +47,7 @@ static const unsigned short normal_i2c[] = {0x18, 0x19, 0x1a, 0x2c, 0x2d, 0x2e,
* Insmod parameters
*/
-static int pwminv = 0; /*Inverted PWM output. */
+static int pwminv; /*Inverted PWM output. */
module_param(pwminv, int, S_IRUGO);
static int init = 1; /*Power-on initialization.*/
@@ -188,7 +188,7 @@ static struct i2c_driver amc6821_driver = {
/*
* Client data (each client gets its own)
- */
+ */
struct amc6821_data {
struct device *hwmon_dev;
@@ -836,8 +836,10 @@ static int amc6821_detect(
return -ENODEV;
}
- /* Bit 7 of the address register is ignored, so we can check the
- ID registers again */
+ /*
+ * Bit 7 of the address register is ignored, so we can check the
+ * ID registers again
+ */
dev_id = i2c_smbus_read_byte_data(client, 0x80 | AMC6821_REG_DEV_ID);
comp_id = i2c_smbus_read_byte_data(client, 0x80 | AMC6821_REG_COMP_ID);
if (dev_id != 0x21 || comp_id != 0x49) {
@@ -1080,9 +1082,10 @@ static struct amc6821_data *amc6821_update_device(struct device *dev)
data->pwm1_auto_channels_temp = 3;
data->pwm1_enable = 3;
break;
- case 1: /*semi-open loop: software sets rpm, chip controls pwm1,
- *currently not implemented
- */
+ case 1: /*
+ * semi-open loop: software sets rpm, chip controls
+ * pwm1, currently not implemented
+ */
data->pwm1_auto_channels_temp = 0;
data->pwm1_enable = 0;
break;
@@ -1095,20 +1098,7 @@ static struct amc6821_data *amc6821_update_device(struct device *dev)
return data;
}
-
-static int __init amc6821_init(void)
-{
- return i2c_add_driver(&amc6821_driver);
-}
-
-static void __exit amc6821_exit(void)
-{
- i2c_del_driver(&amc6821_driver);
-}
-
-module_init(amc6821_init);
-module_exit(amc6821_exit);
-
+module_i2c_driver(amc6821_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("T. Mertelj <tomaz.mertelj@guest.arnes.si>");
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index b9895531240..f082e48ab11 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -344,8 +344,10 @@ static int applesmc_get_lower_bound(unsigned int *lo, const char *key)
while (begin != end) {
int middle = begin + (end - begin) / 2;
entry = applesmc_get_entry_by_index(middle);
- if (IS_ERR(entry))
+ if (IS_ERR(entry)) {
+ *lo = 0;
return PTR_ERR(entry);
+ }
if (strcmp(entry->key, key) < 0)
begin = middle + 1;
else
@@ -364,8 +366,10 @@ static int applesmc_get_upper_bound(unsigned int *hi, const char *key)
while (begin != end) {
int middle = begin + (end - begin) / 2;
entry = applesmc_get_entry_by_index(middle);
- if (IS_ERR(entry))
+ if (IS_ERR(entry)) {
+ *hi = smcreg.key_count;
return PTR_ERR(entry);
+ }
if (strcmp(key, entry->key) < 0)
end = middle;
else
@@ -1189,8 +1193,10 @@ static int applesmc_dmi_match(const struct dmi_system_id *id)
return 1;
}
-/* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1".
- * So we need to put "Apple MacBook Pro" before "Apple MacBook". */
+/*
+ * Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1".
+ * So we need to put "Apple MacBook Pro" before "Apple MacBook".
+ */
static __initdata struct dmi_system_id applesmc_whitelist[] = {
{ applesmc_dmi_match, "Apple MacBook Air", {
DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
diff --git a/drivers/hwmon/asb100.c b/drivers/hwmon/asb100.c
index d7bd1f3f2a3..4b8814deabb 100644
--- a/drivers/hwmon/asb100.c
+++ b/drivers/hwmon/asb100.c
@@ -1,40 +1,40 @@
/*
- asb100.c - Part of lm_sensors, Linux kernel modules for hardware
- monitoring
-
- Copyright (C) 2004 Mark M. Hoffman <mhoffman@lightlink.com>
-
- (derived from w83781d.c)
-
- Copyright (C) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>,
- Philip Edelbrock <phil@netroedge.com>, and
- Mark Studebaker <mdsxyz123@yahoo.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * asb100.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ *
+ * Copyright (C) 2004 Mark M. Hoffman <mhoffman@lightlink.com>
+ *
+ * (derived from w83781d.c)
+ *
+ * Copyright (C) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>,
+ * Philip Edelbrock <phil@netroedge.com>, and
+ * Mark Studebaker <mdsxyz123@yahoo.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
/*
- This driver supports the hardware sensor chips: Asus ASB100 and
- ASB100-A "BACH".
-
- ASB100-A supports pwm1, while plain ASB100 does not. There is no known
- way for the driver to tell which one is there.
-
- Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
- asb100 7 3 1 4 0x31 0x0694 yes no
-*/
+ * This driver supports the hardware sensor chips: Asus ASB100 and
+ * ASB100-A "BACH".
+ *
+ * ASB100-A supports pwm1, while plain ASB100 does not. There is no known
+ * way for the driver to tell which one is there.
+ *
+ * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
+ * asb100 7 3 1 4 0x31 0x0694 yes no
+ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -99,15 +99,19 @@ static const u16 asb100_reg_temp_hyst[] = {0, 0x3a, 0x153, 0x253, 0x19};
/* bit 7 -> enable, bits 0-3 -> duty cycle */
#define ASB100_REG_PWM1 0x59
-/* CONVERSIONS
- Rounding and limit checking is only done on the TO_REG variants. */
+/*
+ * CONVERSIONS
+ * Rounding and limit checking is only done on the TO_REG variants.
+ */
/* These constants are a guess, consistent w/ w83781d */
-#define ASB100_IN_MIN ( 0)
-#define ASB100_IN_MAX (4080)
+#define ASB100_IN_MIN 0
+#define ASB100_IN_MAX 4080
-/* IN: 1/1000 V (0V to 4.08V)
- REG: 16mV/bit */
+/*
+ * IN: 1/1000 V (0V to 4.08V)
+ * REG: 16mV/bit
+ */
static u8 IN_TO_REG(unsigned val)
{
unsigned nval = SENSORS_LIMIT(val, ASB100_IN_MIN, ASB100_IN_MAX);
@@ -131,19 +135,21 @@ static u8 FAN_TO_REG(long rpm, int div)
static int FAN_FROM_REG(u8 val, int div)
{
- return val==0 ? -1 : val==255 ? 0 : 1350000/(val*div);
+ return val == 0 ? -1 : val == 255 ? 0 : 1350000 / (val * div);
}
/* These constants are a guess, consistent w/ w83781d */
-#define ASB100_TEMP_MIN (-128000)
-#define ASB100_TEMP_MAX ( 127000)
+#define ASB100_TEMP_MIN -128000
+#define ASB100_TEMP_MAX 127000
-/* TEMP: 0.001C/bit (-128C to +127C)
- REG: 1C/bit, two's complement */
+/*
+ * TEMP: 0.001C/bit (-128C to +127C)
+ * REG: 1C/bit, two's complement
+ */
static u8 TEMP_TO_REG(long temp)
{
int ntemp = SENSORS_LIMIT(temp, ASB100_TEMP_MIN, ASB100_TEMP_MAX);
- ntemp += (ntemp<0 ? -500 : 500);
+ ntemp += (ntemp < 0 ? -500 : 500);
return (u8)(ntemp / 1000);
}
@@ -152,8 +158,10 @@ static int TEMP_FROM_REG(u8 reg)
return (s8)reg * 1000;
}
-/* PWM: 0 - 255 per sensors documentation
- REG: (6.25% duty cycle per bit) */
+/*
+ * PWM: 0 - 255 per sensors documentation
+ * REG: (6.25% duty cycle per bit)
+ */
static u8 ASB100_PWM_TO_REG(int pwm)
{
pwm = SENSORS_LIMIT(pwm, 0, 255);
@@ -167,16 +175,20 @@ static int ASB100_PWM_FROM_REG(u8 reg)
#define DIV_FROM_REG(val) (1 << (val))
-/* FAN DIV: 1, 2, 4, or 8 (defaults to 2)
- REG: 0, 1, 2, or 3 (respectively) (defaults to 1) */
+/*
+ * FAN DIV: 1, 2, 4, or 8 (defaults to 2)
+ * REG: 0, 1, 2, or 3 (respectively) (defaults to 1)
+ */
static u8 DIV_TO_REG(long val)
{
- return val==8 ? 3 : val==4 ? 2 : val==1 ? 0 : 1;
+ return val == 8 ? 3 : val == 4 ? 2 : val == 1 ? 0 : 1;
}
-/* For each registered client, we need to keep some data in memory. That
- data is pointed to by client->data. The structure itself is
- dynamically allocated, at the same time the client itself is allocated. */
+/*
+ * For each registered client, we need to keep some data in memory. That
+ * data is pointed to by client->data. The structure itself is
+ * dynamically allocated, at the same time the client itself is allocated.
+ */
struct asb100_data {
struct device *hwmon_dev;
struct mutex lock;
@@ -253,8 +265,10 @@ static ssize_t set_in_##reg(struct device *dev, struct device_attribute *attr, \
int nr = to_sensor_dev_attr(attr)->index; \
struct i2c_client *client = to_i2c_client(dev); \
struct asb100_data *data = i2c_get_clientdata(client); \
- unsigned long val = simple_strtoul(buf, NULL, 10); \
- \
+ unsigned long val; \
+ int err = kstrtoul(buf, 10, &val); \
+ if (err) \
+ return err; \
mutex_lock(&data->update_lock); \
data->in_##reg[nr] = IN_TO_REG(val); \
asb100_write_value(client, ASB100_REG_IN_##REG(nr), \
@@ -315,7 +329,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct asb100_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -324,10 +343,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
return count;
}
-/* Note: we save and restore the fan minimum here, because its value is
- determined in part by the fan divisor. This follows the principle of
- least surprise; the user doesn't expect the fan minimum to change just
- because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor. This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -335,8 +356,13 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
struct i2c_client *client = to_i2c_client(dev);
struct asb100_data *data = i2c_get_clientdata(client);
unsigned long min;
- unsigned long val = simple_strtoul(buf, NULL, 10);
int reg;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -421,8 +447,10 @@ static ssize_t set_##reg(struct device *dev, struct device_attribute *attr, \
int nr = to_sensor_dev_attr(attr)->index; \
struct i2c_client *client = to_i2c_client(dev); \
struct asb100_data *data = i2c_get_clientdata(client); \
- long val = simple_strtol(buf, NULL, 10); \
- \
+ long val; \
+ int err = kstrtol(buf, 10, &val); \
+ if (err) \
+ return err; \
mutex_lock(&data->update_lock); \
switch (nr) { \
case 1: case 2: \
@@ -476,7 +504,13 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct asb100_data *data = dev_get_drvdata(dev);
- data->vrm = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+ data->vrm = val;
return count;
}
@@ -524,7 +558,12 @@ static ssize_t set_pwm1(struct device *dev, struct device_attribute *attr,
{
struct i2c_client *client = to_i2c_client(dev);
struct asb100_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->pwm &= 0x80; /* keep the enable bit */
@@ -546,7 +585,12 @@ static ssize_t set_pwm_enable1(struct device *dev,
{
struct i2c_client *client = to_i2c_client(dev);
struct asb100_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->pwm &= 0x0f; /* keep the duty cycle bits */
@@ -768,7 +812,8 @@ static int asb100_probe(struct i2c_client *client,
data->fan_min[2] = asb100_read_value(client, ASB100_REG_FAN_MIN(2));
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&client->dev.kobj, &asb100_group)))
+ err = sysfs_create_group(&client->dev.kobj, &asb100_group);
+ if (err)
goto ERROR3;
data->hwmon_dev = hwmon_device_register(&client->dev);
@@ -805,8 +850,10 @@ static int asb100_remove(struct i2c_client *client)
return 0;
}
-/* The SMBus locks itself, usually, but nothing may access the chip between
- bank switches. */
+/*
+ * The SMBus locks itself, usually, but nothing may access the chip between
+ * bank switches.
+ */
static int asb100_read_value(struct i2c_client *client, u16 reg)
{
struct asb100_data *data = i2c_get_clientdata(client);
@@ -971,19 +1018,8 @@ static struct asb100_data *asb100_update_device(struct device *dev)
return data;
}
-static int __init asb100_init(void)
-{
- return i2c_add_driver(&asb100_driver);
-}
-
-static void __exit asb100_exit(void)
-{
- i2c_del_driver(&asb100_driver);
-}
+module_i2c_driver(asb100_driver);
MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>");
MODULE_DESCRIPTION("ASB100 Bach driver");
MODULE_LICENSE("GPL");
-
-module_init(asb100_init);
-module_exit(asb100_exit);
diff --git a/drivers/hwmon/asc7621.c b/drivers/hwmon/asc7621.c
index 3efd3244998..7caa242915a 100644
--- a/drivers/hwmon/asc7621.c
+++ b/drivers/hwmon/asc7621.c
@@ -268,9 +268,11 @@ static ssize_t store_fan16(struct device *dev,
if (kstrtol(buf, 10, &reqval))
return -EINVAL;
- /* If a minimum RPM of zero is requested, then we set the register to
- 0xffff. This value allows the fan to be stopped completely without
- generating an alarm. */
+ /*
+ * If a minimum RPM of zero is requested, then we set the register to
+ * 0xffff. This value allows the fan to be stopped completely without
+ * generating an alarm.
+ */
reqval =
(reqval <= 0 ? 0xffff : SENSORS_LIMIT(5400000 / reqval, 0, 0xfffe));
diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c
index 00e98517f94..351d1f4593e 100644
--- a/drivers/hwmon/asus_atk0110.c
+++ b/drivers/hwmon/asus_atk0110.c
@@ -38,7 +38,8 @@ static const struct dmi_system_id __initconst atk_force_new_if[] = {
{ }
};
-/* Minimum time between readings, enforced in order to avoid
+/*
+ * Minimum time between readings, enforced in order to avoid
* hogging the CPU.
*/
#define CACHE_TIME HZ
@@ -161,7 +162,8 @@ struct atk_sensor_data {
char const *acpi_name;
};
-/* Return buffer format:
+/*
+ * Return buffer format:
* [0-3] "value" is valid flag
* [4-7] value
* [8- ] unknown stuff on newer mobos
@@ -310,7 +312,8 @@ static union acpi_object *atk_get_pack_member(struct atk_data *data,
}
-/* New package format is:
+/*
+ * New package format is:
* - flag (int)
* class - used for de-muxing the request to the correct GITn
* type (volt, temp, fan)
@@ -613,7 +616,8 @@ static int atk_read_value_new(struct atk_sensor_data *sensor, u64 *value)
buf = (struct atk_acpi_ret_buffer *)obj->buffer.pointer;
if (buf->flags == 0) {
- /* The reading is not valid, possible causes:
+ /*
+ * The reading is not valid, possible causes:
* - sensor failure
* - enumeration was FUBAR (and we didn't notice)
*/
@@ -1311,14 +1315,16 @@ static int atk_probe_if(struct atk_data *data)
dev_dbg(dev, "method " METHOD_WRITE " not found: %s\n",
acpi_format_exception(status));
- /* Check for hwmon methods: first check "old" style methods; note that
+ /*
+ * Check for hwmon methods: first check "old" style methods; note that
* both may be present: in this case we stick to the old interface;
* analysis of multiple DSDTs indicates that when both interfaces
* are present the new one (GGRP/GITM) is not functional.
*/
if (new_if)
dev_info(dev, "Overriding interface detection\n");
- if (data->rtmp_handle && data->rvlt_handle && data->rfan_handle && !new_if)
+ if (data->rtmp_handle &&
+ data->rvlt_handle && data->rfan_handle && !new_if)
data->old_interface = true;
else if (data->enumerate_handle && data->read_handle &&
data->write_handle)
diff --git a/drivers/hwmon/atxp1.c b/drivers/hwmon/atxp1.c
index 33cc143b206..58af6aa9353 100644
--- a/drivers/hwmon/atxp1.c
+++ b/drivers/hwmon/atxp1.c
@@ -1,22 +1,22 @@
/*
- atxp1.c - kernel module for setting CPU VID and general purpose
- I/Os using the Attansic ATXP1 chip.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
+ * atxp1.c - kernel module for setting CPU VID and general purpose
+ * I/Os using the Attansic ATXP1 chip.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
#include <linux/kernel.h>
#include <linux/init.h>
@@ -48,7 +48,7 @@ static const unsigned short normal_i2c[] = { 0x37, 0x4e, I2C_CLIENT_END };
static int atxp1_probe(struct i2c_client *client,
const struct i2c_device_id *id);
static int atxp1_remove(struct i2c_client *client);
-static struct atxp1_data * atxp1_update_device(struct device *dev);
+static struct atxp1_data *atxp1_update_device(struct device *dev);
static int atxp1_detect(struct i2c_client *client, struct i2c_board_info *info);
static const struct i2c_device_id atxp1_id[] = {
@@ -83,7 +83,7 @@ struct atxp1_data {
u8 vrm; /* Detected CPU VRM */
};
-static struct atxp1_data * atxp1_update_device(struct device *dev)
+static struct atxp1_data *atxp1_update_device(struct device *dev)
{
struct i2c_client *client;
struct atxp1_data *data;
@@ -97,7 +97,8 @@ static struct atxp1_data * atxp1_update_device(struct device *dev)
/* Update local register data */
data->reg.vid = i2c_smbus_read_byte_data(client, ATXP1_VID);
- data->reg.cpu_vid = i2c_smbus_read_byte_data(client, ATXP1_CVID);
+ data->reg.cpu_vid = i2c_smbus_read_byte_data(client,
+ ATXP1_CVID);
data->reg.gpio1 = i2c_smbus_read_byte_data(client, ATXP1_GPIO1);
data->reg.gpio2 = i2c_smbus_read_byte_data(client, ATXP1_GPIO2);
@@ -106,33 +107,41 @@ static struct atxp1_data * atxp1_update_device(struct device *dev)
mutex_unlock(&data->update_lock);
- return(data);
+ return data;
}
/* sys file functions for cpu0_vid */
-static ssize_t atxp1_showvcore(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t atxp1_showvcore(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
int size;
struct atxp1_data *data;
data = atxp1_update_device(dev);
- size = sprintf(buf, "%d\n", vid_from_reg(data->reg.vid & ATXP1_VIDMASK, data->vrm));
+ size = sprintf(buf, "%d\n", vid_from_reg(data->reg.vid & ATXP1_VIDMASK,
+ data->vrm));
return size;
}
-static ssize_t atxp1_storevcore(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t atxp1_storevcore(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct atxp1_data *data;
struct i2c_client *client;
int vid, cvid;
- unsigned int vcore;
+ unsigned long vcore;
+ int err;
client = to_i2c_client(dev);
data = atxp1_update_device(dev);
- vcore = simple_strtoul(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &vcore);
+ if (err)
+ return err;
+
vcore /= 25;
vcore *= 25;
@@ -144,7 +153,10 @@ static ssize_t atxp1_storevcore(struct device *dev, struct device_attribute *att
return -1;
}
- /* If output enabled, use control register value. Otherwise original CPU VID */
+ /*
+ * If output enabled, use control register value.
+ * Otherwise original CPU VID
+ */
if (data->reg.vid & ATXP1_VIDENA)
cvid = data->reg.vid & ATXP1_VIDMASK;
else
@@ -154,18 +166,17 @@ static ssize_t atxp1_storevcore(struct device *dev, struct device_attribute *att
if (vid == cvid)
return count;
- dev_dbg(dev, "Setting VCore to %d mV (0x%02x)\n", vcore, vid);
+ dev_dbg(dev, "Setting VCore to %d mV (0x%02x)\n", (int)vcore, vid);
/* Write every 25 mV step to increase stability */
if (cvid > vid) {
- for (; cvid >= vid; cvid--) {
- i2c_smbus_write_byte_data(client, ATXP1_VID, cvid | ATXP1_VIDENA);
- }
- }
- else {
- for (; cvid <= vid; cvid++) {
- i2c_smbus_write_byte_data(client, ATXP1_VID, cvid | ATXP1_VIDENA);
- }
+ for (; cvid >= vid; cvid--)
+ i2c_smbus_write_byte_data(client,
+ ATXP1_VID, cvid | ATXP1_VIDENA);
+ } else {
+ for (; cvid <= vid; cvid++)
+ i2c_smbus_write_byte_data(client,
+ ATXP1_VID, cvid | ATXP1_VIDENA);
}
data->valid = 0;
@@ -173,13 +184,16 @@ static ssize_t atxp1_storevcore(struct device *dev, struct device_attribute *att
return count;
}
-/* CPU core reference voltage
- unit: millivolt
-*/
-static DEVICE_ATTR(cpu0_vid, S_IRUGO | S_IWUSR, atxp1_showvcore, atxp1_storevcore);
+/*
+ * CPU core reference voltage
+ * unit: millivolt
+ */
+static DEVICE_ATTR(cpu0_vid, S_IRUGO | S_IWUSR, atxp1_showvcore,
+ atxp1_storevcore);
/* sys file functions for GPIO1 */
-static ssize_t atxp1_showgpio1(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t atxp1_showgpio1(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
int size;
struct atxp1_data *data;
@@ -191,21 +205,26 @@ static ssize_t atxp1_showgpio1(struct device *dev, struct device_attribute *attr
return size;
}
-static ssize_t atxp1_storegpio1(struct device *dev, struct device_attribute *attr, const char*buf, size_t count)
+static ssize_t atxp1_storegpio1(struct device *dev,
+ struct device_attribute *attr, const char *buf,
+ size_t count)
{
struct atxp1_data *data;
struct i2c_client *client;
- unsigned int value;
+ unsigned long value;
+ int err;
client = to_i2c_client(dev);
data = atxp1_update_device(dev);
- value = simple_strtoul(buf, NULL, 16);
+ err = kstrtoul(buf, 16, &value);
+ if (err)
+ return err;
value &= ATXP1_GPIO1MASK;
if (value != (data->reg.gpio1 & ATXP1_GPIO1MASK)) {
- dev_info(dev, "Writing 0x%x to GPIO1.\n", value);
+ dev_info(dev, "Writing 0x%x to GPIO1.\n", (unsigned int)value);
i2c_smbus_write_byte_data(client, ATXP1_GPIO1, value);
@@ -215,13 +234,15 @@ static ssize_t atxp1_storegpio1(struct device *dev, struct device_attribute *att
return count;
}
-/* GPIO1 data register
- unit: Four bit as hex (e.g. 0x0f)
-*/
+/*
+ * GPIO1 data register
+ * unit: Four bit as hex (e.g. 0x0f)
+ */
static DEVICE_ATTR(gpio1, S_IRUGO | S_IWUSR, atxp1_showgpio1, atxp1_storegpio1);
/* sys file functions for GPIO2 */
-static ssize_t atxp1_showgpio2(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t atxp1_showgpio2(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
int size;
struct atxp1_data *data;
@@ -233,19 +254,22 @@ static ssize_t atxp1_showgpio2(struct device *dev, struct device_attribute *attr
return size;
}
-static ssize_t atxp1_storegpio2(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t atxp1_storegpio2(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
- struct atxp1_data *data;
- struct i2c_client *client;
- unsigned int value;
-
- client = to_i2c_client(dev);
- data = atxp1_update_device(dev);
+ struct atxp1_data *data = atxp1_update_device(dev);
+ struct i2c_client *client = to_i2c_client(dev);
+ unsigned long value;
+ int err;
- value = simple_strtoul(buf, NULL, 16) & 0xff;
+ err = kstrtoul(buf, 16, &value);
+ if (err)
+ return err;
+ value &= 0xff;
if (value != data->reg.gpio2) {
- dev_info(dev, "Writing 0x%x to GPIO1.\n", value);
+ dev_info(dev, "Writing 0x%x to GPIO1.\n", (unsigned int)value);
i2c_smbus_write_byte_data(client, ATXP1_GPIO2, value);
@@ -255,9 +279,10 @@ static ssize_t atxp1_storegpio2(struct device *dev, struct device_attribute *att
return count;
}
-/* GPIO2 data register
- unit: Eight bit as hex (e.g. 0xff)
-*/
+/*
+ * GPIO2 data register
+ * unit: Eight bit as hex (e.g. 0xff)
+ */
static DEVICE_ATTR(gpio2, S_IRUGO | S_IWUSR, atxp1_showgpio2, atxp1_storegpio2);
static struct attribute *atxp1_attributes[] = {
@@ -290,8 +315,10 @@ static int atxp1_detect(struct i2c_client *new_client,
(i2c_smbus_read_byte_data(new_client, 0xff) == 0)))
return -ENODEV;
- /* No vendor ID, now checking if registers 0x10,0x11 (non-existent)
- * showing the same as register 0x00 */
+ /*
+ * No vendor ID, now checking if registers 0x10,0x11 (non-existent)
+ * showing the same as register 0x00
+ */
temp = i2c_smbus_read_byte_data(new_client, 0x00);
if (!((i2c_smbus_read_byte_data(new_client, 0x10) == temp) &&
@@ -333,7 +360,8 @@ static int atxp1_probe(struct i2c_client *new_client,
mutex_init(&data->update_lock);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&new_client->dev.kobj, &atxp1_group)))
+ err = sysfs_create_group(&new_client->dev.kobj, &atxp1_group);
+ if (err)
goto exit_free;
data->hwmon_dev = hwmon_device_register(&new_client->dev);
@@ -357,7 +385,7 @@ exit:
static int atxp1_remove(struct i2c_client *client)
{
- struct atxp1_data * data = i2c_get_clientdata(client);
+ struct atxp1_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &atxp1_group);
@@ -367,15 +395,4 @@ static int atxp1_remove(struct i2c_client *client)
return 0;
};
-static int __init atxp1_init(void)
-{
- return i2c_add_driver(&atxp1_driver);
-};
-
-static void __exit atxp1_exit(void)
-{
- i2c_del_driver(&atxp1_driver);
-};
-
-module_init(atxp1_init);
-module_exit(atxp1_exit);
+module_i2c_driver(atxp1_driver);
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 249ac460e3d..0d3141fbbc2 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -58,8 +58,8 @@ MODULE_PARM_DESC(tjmax, "TjMax value in degrees Celsius");
#define TOTAL_ATTRS (MAX_CORE_ATTRS + 1)
#define MAX_CORE_DATA (NUM_REAL_CORES + BASE_SYSFS_ATTR_NO)
-#define TO_PHYS_ID(cpu) cpu_data(cpu).phys_proc_id
-#define TO_CORE_ID(cpu) cpu_data(cpu).cpu_core_id
+#define TO_PHYS_ID(cpu) (cpu_data(cpu).phys_proc_id)
+#define TO_CORE_ID(cpu) (cpu_data(cpu).cpu_core_id)
#define TO_ATTR_NO(cpu) (TO_CORE_ID(cpu) + BASE_SYSFS_ATTR_NO)
#ifdef CONFIG_SMP
diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c
index ffb229af786..e7c6a19f3b2 100644
--- a/drivers/hwmon/dme1737.c
+++ b/drivers/hwmon/dme1737.c
@@ -82,12 +82,12 @@ enum chips { dme1737, sch5027, sch311x, sch5127 };
* --------------------------------------------------------------------- */
/* Voltages (in) numbered 0-7 (ix) */
-#define DME1737_REG_IN(ix) ((ix) < 5 ? 0x20 + (ix) : \
+#define DME1737_REG_IN(ix) ((ix) < 5 ? 0x20 + (ix) : \
(ix) < 7 ? 0x94 + (ix) : \
0x1f)
-#define DME1737_REG_IN_MIN(ix) ((ix) < 5 ? 0x44 + (ix) * 2 \
+#define DME1737_REG_IN_MIN(ix) ((ix) < 5 ? 0x44 + (ix) * 2 \
: 0x91 + (ix) * 2)
-#define DME1737_REG_IN_MAX(ix) ((ix) < 5 ? 0x45 + (ix) * 2 \
+#define DME1737_REG_IN_MAX(ix) ((ix) < 5 ? 0x45 + (ix) * 2 \
: 0x92 + (ix) * 2)
/* Temperatures (temp) numbered 0-2 (ix) */
@@ -97,14 +97,16 @@ enum chips { dme1737, sch5027, sch311x, sch5127 };
#define DME1737_REG_TEMP_OFFSET(ix) ((ix) == 0 ? 0x1f \
: 0x1c + (ix))
-/* Voltage and temperature LSBs
+/*
+ * Voltage and temperature LSBs
* The LSBs (4 bits each) are stored in 5 registers with the following layouts:
* IN_TEMP_LSB(0) = [in5, in6]
* IN_TEMP_LSB(1) = [temp3, temp1]
* IN_TEMP_LSB(2) = [in4, temp2]
* IN_TEMP_LSB(3) = [in3, in0]
* IN_TEMP_LSB(4) = [in2, in1]
- * IN_TEMP_LSB(5) = [res, in7] */
+ * IN_TEMP_LSB(5) = [res, in7]
+ */
#define DME1737_REG_IN_TEMP_LSB(ix) (0x84 + (ix))
static const u8 DME1737_REG_IN_LSB[] = {3, 4, 4, 3, 2, 0, 0, 5};
static const u8 DME1737_REG_IN_LSB_SHL[] = {4, 4, 0, 0, 0, 0, 4, 4};
@@ -127,24 +129,30 @@ static const u8 DME1737_REG_TEMP_LSB_SHL[] = {4, 4, 0};
#define DME1737_REG_PWM_MIN(ix) (0x64 + (ix)) /* only for pwm[0-2] */
#define DME1737_REG_PWM_FREQ(ix) ((ix) < 3 ? 0x5f + (ix) \
: 0xa3 + (ix))
-/* The layout of the ramp rate registers is different from the other pwm
+/*
+ * The layout of the ramp rate registers is different from the other pwm
* registers. The bits for the 3 PWMs are stored in 2 registers:
* PWM_RR(0) = [OFF3, OFF2, OFF1, RES, RR1E, RR1-2, RR1-1, RR1-0]
- * PWM_RR(1) = [RR2E, RR2-2, RR2-1, RR2-0, RR3E, RR3-2, RR3-1, RR3-0] */
+ * PWM_RR(1) = [RR2E, RR2-2, RR2-1, RR2-0, RR3E, RR3-2, RR3-1, RR3-0]
+ */
#define DME1737_REG_PWM_RR(ix) (0x62 + (ix)) /* only for pwm[0-2] */
/* Thermal zones 0-2 */
#define DME1737_REG_ZONE_LOW(ix) (0x67 + (ix))
#define DME1737_REG_ZONE_ABS(ix) (0x6a + (ix))
-/* The layout of the hysteresis registers is different from the other zone
+/*
+ * The layout of the hysteresis registers is different from the other zone
* registers. The bits for the 3 zones are stored in 2 registers:
* ZONE_HYST(0) = [H1-3, H1-2, H1-1, H1-0, H2-3, H2-2, H2-1, H2-0]
- * ZONE_HYST(1) = [H3-3, H3-2, H3-1, H3-0, RES, RES, RES, RES] */
+ * ZONE_HYST(1) = [H3-3, H3-2, H3-1, H3-0, RES, RES, RES, RES]
+ */
#define DME1737_REG_ZONE_HYST(ix) (0x6d + (ix))
-/* Alarm registers and bit mapping
+/*
+ * Alarm registers and bit mapping
* The 3 8-bit alarm registers will be concatenated to a single 32-bit
- * alarm value [0, ALARM3, ALARM2, ALARM1]. */
+ * alarm value [0, ALARM3, ALARM2, ALARM1].
+ */
#define DME1737_REG_ALARM1 0x41
#define DME1737_REG_ALARM2 0x42
#define DME1737_REG_ALARM3 0x83
@@ -257,9 +265,11 @@ static const int IN_NOMINAL_SCH5127[] = {2500, 2250, 3300, 1125, 1125, 3300,
(type) == sch5127 ? IN_NOMINAL_SCH5127 : \
IN_NOMINAL_DME1737)
-/* Voltage input
+/*
+ * Voltage input
* Voltage inputs have 16 bits resolution, limit values have 8 bits
- * resolution. */
+ * resolution.
+ */
static inline int IN_FROM_REG(int reg, int nominal, int res)
{
return (reg * nominal + (3 << (res - 3))) / (3 << (res - 2));
@@ -270,10 +280,12 @@ static inline int IN_TO_REG(int val, int nominal)
return SENSORS_LIMIT((val * 192 + nominal / 2) / nominal, 0, 255);
}
-/* Temperature input
+/*
+ * Temperature input
* The register values represent temperatures in 2's complement notation from
* -127 degrees C to +127 degrees C. Temp inputs have 16 bits resolution, limit
- * values have 8 bits resolution. */
+ * values have 8 bits resolution.
+ */
static inline int TEMP_FROM_REG(int reg, int res)
{
return (reg * 1000) >> (res - 8);
@@ -300,18 +312,19 @@ static int TEMP_RANGE_TO_REG(int val, int reg)
int i;
for (i = 15; i > 0; i--) {
- if (val > (TEMP_RANGE[i] + TEMP_RANGE[i - 1] + 1) / 2) {
+ if (val > (TEMP_RANGE[i] + TEMP_RANGE[i - 1] + 1) / 2)
break;
- }
}
return (reg & 0x0f) | (i << 4);
}
-/* Temperature hysteresis
+/*
+ * Temperature hysteresis
* Register layout:
* reg[0] = [H1-3, H1-2, H1-1, H1-0, H2-3, H2-2, H2-1, H2-0]
- * reg[1] = [H3-3, H3-2, H3-1, H3-0, xxxx, xxxx, xxxx, xxxx] */
+ * reg[1] = [H3-3, H3-2, H3-1, H3-0, xxxx, xxxx, xxxx, xxxx]
+ */
static inline int TEMP_HYST_FROM_REG(int reg, int ix)
{
return (((ix == 1) ? reg : reg >> 4) & 0x0f) * 1000;
@@ -327,11 +340,10 @@ static inline int TEMP_HYST_TO_REG(int val, int ix, int reg)
/* Fan input RPM */
static inline int FAN_FROM_REG(int reg, int tpc)
{
- if (tpc) {
+ if (tpc)
return tpc * reg;
- } else {
+ else
return (reg == 0 || reg == 0xffff) ? 0 : 90000 * 60 / reg;
- }
}
static inline int FAN_TO_REG(int val, int tpc)
@@ -344,17 +356,21 @@ static inline int FAN_TO_REG(int val, int tpc)
}
}
-/* Fan TPC (tach pulse count)
+/*
+ * Fan TPC (tach pulse count)
* Converts a register value to a TPC multiplier or returns 0 if the tachometer
- * is configured in legacy (non-tpc) mode */
+ * is configured in legacy (non-tpc) mode
+ */
static inline int FAN_TPC_FROM_REG(int reg)
{
return (reg & 0x20) ? 0 : 60 >> (reg & 0x03);
}
-/* Fan type
+/*
+ * Fan type
* The type of a fan is expressed in number of pulses-per-revolution that it
- * emits */
+ * emits
+ */
static inline int FAN_TYPE_FROM_REG(int reg)
{
int edge = (reg >> 1) & 0x03;
@@ -378,9 +394,8 @@ static int FAN_MAX_FROM_REG(int reg)
int i;
for (i = 10; i > 0; i--) {
- if (reg == FAN_MAX[i]) {
+ if (reg == FAN_MAX[i])
break;
- }
}
return 1000 + i * 500;
@@ -391,15 +406,15 @@ static int FAN_MAX_TO_REG(int val)
int i;
for (i = 10; i > 0; i--) {
- if (val > (1000 + (i - 1) * 500)) {
+ if (val > (1000 + (i - 1) * 500))
break;
- }
}
return FAN_MAX[i];
}
-/* PWM enable
+/*
+ * PWM enable
* Register to enable mapping:
* 000: 2 fan on zone 1 auto
* 001: 2 fan on zone 2 auto
@@ -408,7 +423,8 @@ static int FAN_MAX_TO_REG(int val)
* 100: -1 fan disabled
* 101: 2 fan on hottest of zones 2,3 auto
* 110: 2 fan on hottest of zones 1,2,3 auto
- * 111: 1 fan in manual mode */
+ * 111: 1 fan in manual mode
+ */
static inline int PWM_EN_FROM_REG(int reg)
{
static const int en[] = {2, 2, 2, 0, -1, 2, 2, 1};
@@ -423,7 +439,8 @@ static inline int PWM_EN_TO_REG(int val, int reg)
return (reg & 0x1f) | ((en & 0x07) << 5);
}
-/* PWM auto channels zone
+/*
+ * PWM auto channels zone
* Register to auto channels zone mapping (ACZ is a bitfield with bit x
* corresponding to zone x+1):
* 000: 001 fan on zone 1 auto
@@ -433,7 +450,8 @@ static inline int PWM_EN_TO_REG(int val, int reg)
* 100: 000 fan disabled
* 101: 110 fan on hottest of zones 2,3 auto
* 110: 111 fan on hottest of zones 1,2,3 auto
- * 111: 000 fan in manual mode */
+ * 111: 000 fan in manual mode
+ */
static inline int PWM_ACZ_FROM_REG(int reg)
{
static const int acz[] = {1, 2, 4, 0, 0, 6, 7, 0};
@@ -468,19 +486,20 @@ static int PWM_FREQ_TO_REG(int val, int reg)
i = 11;
} else {
for (i = 9; i > 0; i--) {
- if (val > (PWM_FREQ[i] + PWM_FREQ[i - 1] + 1) / 2) {
+ if (val > (PWM_FREQ[i] + PWM_FREQ[i - 1] + 1) / 2)
break;
- }
}
}
return (reg & 0xf0) | i;
}
-/* PWM ramp rate
+/*
+ * PWM ramp rate
* Register layout:
* reg[0] = [OFF3, OFF2, OFF1, RES, RR1-E, RR1-2, RR1-1, RR1-0]
- * reg[1] = [RR2-E, RR2-2, RR2-1, RR2-0, RR3-E, RR3-2, RR3-1, RR3-0] */
+ * reg[1] = [RR2-E, RR2-2, RR2-1, RR2-0, RR3-E, RR3-2, RR3-1, RR3-0]
+ */
static const u8 PWM_RR[] = {206, 104, 69, 41, 26, 18, 10, 5};
static inline int PWM_RR_FROM_REG(int reg, int ix)
@@ -495,9 +514,8 @@ static int PWM_RR_TO_REG(int val, int ix, int reg)
int i;
for (i = 0; i < 7; i++) {
- if (val > (PWM_RR[i] + PWM_RR[i + 1] + 1) / 2) {
+ if (val > (PWM_RR[i] + PWM_RR[i + 1] + 1) / 2)
break;
- }
}
return (ix == 1) ? (reg & 0x8f) | (i << 4) : (reg & 0xf8) | i;
@@ -516,9 +534,11 @@ static inline int PWM_RR_EN_TO_REG(int val, int ix, int reg)
return val ? reg | en : reg & ~en;
}
-/* PWM min/off
+/*
+ * PWM min/off
* The PWM min/off bits are part of the PMW ramp rate register 0 (see above for
- * the register layout). */
+ * the register layout).
+ */
static inline int PWM_OFF_FROM_REG(int reg, int ix)
{
return (reg >> (ix + 5)) & 0x01;
@@ -604,12 +624,13 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
/* In (voltage) registers */
for (ix = 0; ix < ARRAY_SIZE(data->in); ix++) {
- /* Voltage inputs are stored as 16 bit values even
+ /*
+ * Voltage inputs are stored as 16 bit values even
* though they have only 12 bits resolution. This is
- * to make it consistent with the temp inputs. */
- if (ix == 7 && !(data->has_features & HAS_IN7)) {
+ * to make it consistent with the temp inputs.
+ */
+ if (ix == 7 && !(data->has_features & HAS_IN7))
continue;
- }
data->in[ix] = dme1737_read(data,
DME1737_REG_IN(ix)) << 8;
data->in_min[ix] = dme1737_read(data,
@@ -620,11 +641,13 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
/* Temp registers */
for (ix = 0; ix < ARRAY_SIZE(data->temp); ix++) {
- /* Temp inputs are stored as 16 bit values even
+ /*
+ * Temp inputs are stored as 16 bit values even
* though they have only 12 bits resolution. This is
* to take advantage of implicit conversions between
* register values (2's complement) and temp values
- * (signed decimal). */
+ * (signed decimal).
+ */
data->temp[ix] = dme1737_read(data,
DME1737_REG_TEMP(ix)) << 8;
data->temp_min[ix] = dme1737_read(data,
@@ -637,21 +660,21 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
}
}
- /* In and temp LSB registers
+ /*
+ * In and temp LSB registers
* The LSBs are latched when the MSBs are read, so the order in
* which the registers are read (MSB first, then LSB) is
- * important! */
+ * important!
+ */
for (ix = 0; ix < ARRAY_SIZE(lsb); ix++) {
- if (ix == 5 && !(data->has_features & HAS_IN7)) {
+ if (ix == 5 && !(data->has_features & HAS_IN7))
continue;
- }
lsb[ix] = dme1737_read(data,
DME1737_REG_IN_TEMP_LSB(ix));
}
for (ix = 0; ix < ARRAY_SIZE(data->in); ix++) {
- if (ix == 7 && !(data->has_features & HAS_IN7)) {
+ if (ix == 7 && !(data->has_features & HAS_IN7))
continue;
- }
data->in[ix] |= (lsb[DME1737_REG_IN_LSB[ix]] <<
DME1737_REG_IN_LSB_SHL[ix]) & 0xf0;
}
@@ -662,11 +685,12 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
/* Fan registers */
for (ix = 0; ix < ARRAY_SIZE(data->fan); ix++) {
- /* Skip reading registers if optional fans are not
- * present */
- if (!(data->has_features & HAS_FAN(ix))) {
+ /*
+ * Skip reading registers if optional fans are not
+ * present
+ */
+ if (!(data->has_features & HAS_FAN(ix)))
continue;
- }
data->fan[ix] = dme1737_read(data,
DME1737_REG_FAN(ix));
data->fan[ix] |= dme1737_read(data,
@@ -686,11 +710,12 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
/* PWM registers */
for (ix = 0; ix < ARRAY_SIZE(data->pwm); ix++) {
- /* Skip reading registers if optional PWMs are not
- * present */
- if (!(data->has_features & HAS_PWM(ix))) {
+ /*
+ * Skip reading registers if optional PWMs are not
+ * present
+ */
+ if (!(data->has_features & HAS_PWM(ix)))
continue;
- }
data->pwm[ix] = dme1737_read(data,
DME1737_REG_PWM(ix));
data->pwm_freq[ix] = dme1737_read(data,
@@ -711,9 +736,8 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
/* Thermal zone registers */
for (ix = 0; ix < ARRAY_SIZE(data->zone_low); ix++) {
/* Skip reading registers if zone3 is not present */
- if ((ix == 2) && !(data->has_features & HAS_ZONE3)) {
+ if ((ix == 2) && !(data->has_features & HAS_ZONE3))
continue;
- }
/* sch5127 zone2 registers are special */
if ((ix == 1) && (data->type == sch5127)) {
data->zone_low[1] = dme1737_read(data,
@@ -737,8 +761,10 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
/* Alarm registers */
data->alarms = dme1737_read(data,
DME1737_REG_ALARM1);
- /* Bit 7 tells us if the other alarm registers are non-zero and
- * therefore also need to be read */
+ /*
+ * Bit 7 tells us if the other alarm registers are non-zero and
+ * therefore also need to be read
+ */
if (data->alarms & 0x80) {
data->alarms |= dme1737_read(data,
DME1737_REG_ALARM2) << 8;
@@ -746,22 +772,18 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
DME1737_REG_ALARM3) << 16;
}
- /* The ISA chips require explicit clearing of alarm bits.
+ /*
+ * The ISA chips require explicit clearing of alarm bits.
* Don't worry, an alarm will come back if the condition
- * that causes it still exists */
+ * that causes it still exists
+ */
if (!data->client) {
- if (data->alarms & 0xff0000) {
- dme1737_write(data, DME1737_REG_ALARM3,
- 0xff);
- }
- if (data->alarms & 0xff00) {
- dme1737_write(data, DME1737_REG_ALARM2,
- 0xff);
- }
- if (data->alarms & 0xff) {
- dme1737_write(data, DME1737_REG_ALARM1,
- 0xff);
- }
+ if (data->alarms & 0xff0000)
+ dme1737_write(data, DME1737_REG_ALARM3, 0xff);
+ if (data->alarms & 0xff00)
+ dme1737_write(data, DME1737_REG_ALARM2, 0xff);
+ if (data->alarms & 0xff)
+ dme1737_write(data, DME1737_REG_ALARM1, 0xff);
}
data->last_update = jiffies;
@@ -822,7 +844,12 @@ static ssize_t set_in(struct device *dev, struct device_attribute *attr,
*sensor_attr_2 = to_sensor_dev_attr_2(attr);
int ix = sensor_attr_2->index;
int fn = sensor_attr_2->nr;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
switch (fn) {
@@ -901,7 +928,12 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
*sensor_attr_2 = to_sensor_dev_attr_2(attr);
int ix = sensor_attr_2->index;
int fn = sensor_attr_2->nr;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
switch (fn) {
@@ -952,11 +984,10 @@ static ssize_t show_zone(struct device *dev, struct device_attribute *attr,
switch (fn) {
case SYS_ZONE_AUTO_CHANNELS_TEMP:
/* check config2 for non-standard temp-to-zone mapping */
- if ((ix == 1) && (data->config2 & 0x02)) {
+ if ((ix == 1) && (data->config2 & 0x02))
res = 4;
- } else {
+ else
res = 1 << ix;
- }
break;
case SYS_ZONE_AUTO_POINT1_TEMP_HYST:
res = TEMP_FROM_REG(data->zone_low[ix], 8) -
@@ -989,7 +1020,12 @@ static ssize_t set_zone(struct device *dev, struct device_attribute *attr,
*sensor_attr_2 = to_sensor_dev_attr_2(attr);
int ix = sensor_attr_2->index;
int fn = sensor_attr_2->nr;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
switch (fn) {
@@ -1014,8 +1050,10 @@ static ssize_t set_zone(struct device *dev, struct device_attribute *attr,
/* Refresh the cache */
data->zone_low[ix] = dme1737_read(data,
DME1737_REG_ZONE_LOW(ix));
- /* Modify the temp range value (which is stored in the upper
- * nibble of the pwm_freq register) */
+ /*
+ * Modify the temp range value (which is stored in the upper
+ * nibble of the pwm_freq register)
+ */
data->pwm_freq[ix] = TEMP_RANGE_TO_REG(val -
TEMP_FROM_REG(data->zone_low[ix], 8),
dme1737_read(data,
@@ -1095,7 +1133,12 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *attr,
*sensor_attr_2 = to_sensor_dev_attr_2(attr);
int ix = sensor_attr_2->index;
int fn = sensor_attr_2->nr;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
switch (fn) {
@@ -1170,21 +1213,19 @@ static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
switch (fn) {
case SYS_PWM:
- if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 0) {
+ if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 0)
res = 255;
- } else {
+ else
res = data->pwm[ix];
- }
break;
case SYS_PWM_FREQ:
res = PWM_FREQ_FROM_REG(data->pwm_freq[ix]);
break;
case SYS_PWM_ENABLE:
- if (ix >= 3) {
+ if (ix >= 3)
res = 1; /* pwm[5-6] hard-wired to manual mode */
- } else {
+ else
res = PWM_EN_FROM_REG(data->pwm_config[ix]);
- }
break;
case SYS_PWM_RAMP_RATE:
/* Only valid for pwm[1-3] */
@@ -1192,19 +1233,17 @@ static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
break;
case SYS_PWM_AUTO_CHANNELS_ZONE:
/* Only valid for pwm[1-3] */
- if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 2) {
+ if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 2)
res = PWM_ACZ_FROM_REG(data->pwm_config[ix]);
- } else {
+ else
res = data->pwm_acz[ix];
- }
break;
case SYS_PWM_AUTO_PWM_MIN:
/* Only valid for pwm[1-3] */
- if (PWM_OFF_FROM_REG(data->pwm_rr[0], ix)) {
+ if (PWM_OFF_FROM_REG(data->pwm_rr[0], ix))
res = data->pwm_min[ix];
- } else {
+ else
res = 0;
- }
break;
case SYS_PWM_AUTO_POINT1_PWM:
/* Only valid for pwm[1-3] */
@@ -1233,7 +1272,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
*sensor_attr_2 = to_sensor_dev_attr_2(attr);
int ix = sensor_attr_2->index;
int fn = sensor_attr_2->nr;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
switch (fn) {
@@ -1307,8 +1351,10 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
/* Change permissions of pwm[ix] to read-only */
dme1737_chmod_file(dev, dme1737_pwm_chmod_attr[ix],
S_IRUGO);
- /* Turn on auto mode using the saved zone channel
- * assignment */
+ /*
+ * Turn on auto mode using the saved zone channel
+ * assignment
+ */
data->pwm_config[ix] = PWM_ACZ_TO_REG(
data->pwm_acz[ix],
data->pwm_config[ix]);
@@ -1338,8 +1384,10 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
data->pwm_rr[ix > 0] = PWM_RR_TO_REG(val, ix,
data->pwm_rr[ix > 0]);
}
- /* Enable/disable the feature only if the associated PWM
- * output is in automatic mode. */
+ /*
+ * Enable/disable the feature only if the associated PWM
+ * output is in automatic mode.
+ */
if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 2) {
data->pwm_rr[ix > 0] = PWM_RR_EN_TO_REG(val > 0, ix,
data->pwm_rr[ix > 0]);
@@ -1361,15 +1409,19 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
data->pwm_config[ix] = dme1737_read(data,
DME1737_REG_PWM_CONFIG(ix));
if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 2) {
- /* PWM is already in auto mode so update the temp
- * channel assignment */
+ /*
+ * PWM is already in auto mode so update the temp
+ * channel assignment
+ */
data->pwm_config[ix] = PWM_ACZ_TO_REG(val,
data->pwm_config[ix]);
dme1737_write(data, DME1737_REG_PWM_CONFIG(ix),
data->pwm_config[ix]);
} else {
- /* PWM is not in auto mode so we save the temp
- * channel assignment for later use */
+ /*
+ * PWM is not in auto mode so we save the temp
+ * channel assignment for later use
+ */
data->pwm_acz[ix] = val;
}
break;
@@ -1378,10 +1430,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
/* Refresh the cache */
data->pwm_min[ix] = dme1737_read(data,
DME1737_REG_PWM_MIN(ix));
- /* There are only 2 values supported for the auto_pwm_min
+ /*
+ * There are only 2 values supported for the auto_pwm_min
* value: 0 or auto_point1_pwm. So if the temperature drops
* below the auto_point1_temp_hyst value, the fan either turns
- * off or runs at auto_point1_pwm duty-cycle. */
+ * off or runs at auto_point1_pwm duty-cycle.
+ */
if (val > ((data->pwm_min[ix] + 1) / 2)) {
data->pwm_rr[0] = PWM_OFF_TO_REG(1, ix,
dme1737_read(data,
@@ -1426,7 +1480,12 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct dme1737_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
data->vrm = val;
return count;
@@ -1586,10 +1645,12 @@ static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); /* for ISA devices */
-/* This struct holds all the attributes that are always present and need to be
+/*
+ * This struct holds all the attributes that are always present and need to be
* created unconditionally. The attributes that need modification of their
* permissions are created read-only and write permissions are added or removed
- * on the fly when required */
+ * on the fly when required
+ */
static struct attribute *dme1737_attr[] = {
/* Voltages */
&sensor_dev_attr_in0_input.dev_attr.attr,
@@ -1652,9 +1713,11 @@ static const struct attribute_group dme1737_group = {
.attrs = dme1737_attr,
};
-/* The following struct holds temp offset attributes, which are not available
+/*
+ * The following struct holds temp offset attributes, which are not available
* in all chips. The following chips support them:
- * DME1737, SCH311x */
+ * DME1737, SCH311x
+ */
static struct attribute *dme1737_temp_offset_attr[] = {
&sensor_dev_attr_temp1_offset.dev_attr.attr,
&sensor_dev_attr_temp2_offset.dev_attr.attr,
@@ -1666,9 +1729,11 @@ static const struct attribute_group dme1737_temp_offset_group = {
.attrs = dme1737_temp_offset_attr,
};
-/* The following struct holds VID related attributes, which are not available
+/*
+ * The following struct holds VID related attributes, which are not available
* in all chips. The following chips support them:
- * DME1737 */
+ * DME1737
+ */
static struct attribute *dme1737_vid_attr[] = {
&dev_attr_vrm.attr,
&dev_attr_cpu0_vid.attr,
@@ -1679,9 +1744,11 @@ static const struct attribute_group dme1737_vid_group = {
.attrs = dme1737_vid_attr,
};
-/* The following struct holds temp zone 3 related attributes, which are not
+/*
+ * The following struct holds temp zone 3 related attributes, which are not
* available in all chips. The following chips support them:
- * DME1737, SCH311x, SCH5027 */
+ * DME1737, SCH311x, SCH5027
+ */
static struct attribute *dme1737_zone3_attr[] = {
&sensor_dev_attr_zone3_auto_point1_temp.dev_attr.attr,
&sensor_dev_attr_zone3_auto_point2_temp.dev_attr.attr,
@@ -1695,9 +1762,11 @@ static const struct attribute_group dme1737_zone3_group = {
};
-/* The following struct holds temp zone hysteresis related attributes, which
+/*
+ * The following struct holds temp zone hysteresis related attributes, which
* are not available in all chips. The following chips support them:
- * DME1737, SCH311x */
+ * DME1737, SCH311x
+ */
static struct attribute *dme1737_zone_hyst_attr[] = {
&sensor_dev_attr_zone1_auto_point1_temp_hyst.dev_attr.attr,
&sensor_dev_attr_zone2_auto_point1_temp_hyst.dev_attr.attr,
@@ -1709,9 +1778,11 @@ static const struct attribute_group dme1737_zone_hyst_group = {
.attrs = dme1737_zone_hyst_attr,
};
-/* The following struct holds voltage in7 related attributes, which
+/*
+ * The following struct holds voltage in7 related attributes, which
* are not available in all chips. The following chips support them:
- * SCH5127 */
+ * SCH5127
+ */
static struct attribute *dme1737_in7_attr[] = {
&sensor_dev_attr_in7_input.dev_attr.attr,
&sensor_dev_attr_in7_min.dev_attr.attr,
@@ -1724,9 +1795,11 @@ static const struct attribute_group dme1737_in7_group = {
.attrs = dme1737_in7_attr,
};
-/* The following structs hold the PWM attributes, some of which are optional.
+/*
+ * The following structs hold the PWM attributes, some of which are optional.
* Their creation depends on the chip configuration which is determined during
- * module load. */
+ * module load.
+ */
static struct attribute *dme1737_pwm1_attr[] = {
&sensor_dev_attr_pwm1.dev_attr.attr,
&sensor_dev_attr_pwm1_freq.dev_attr.attr,
@@ -1779,18 +1852,22 @@ static const struct attribute_group dme1737_pwm_group[] = {
{ .attrs = dme1737_pwm6_attr },
};
-/* The following struct holds auto PWM min attributes, which are not available
+/*
+ * The following struct holds auto PWM min attributes, which are not available
* in all chips. Their creation depends on the chip type which is determined
- * during module load. */
+ * during module load.
+ */
static struct attribute *dme1737_auto_pwm_min_attr[] = {
&sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr,
};
-/* The following structs hold the fan attributes, some of which are optional.
+/*
+ * The following structs hold the fan attributes, some of which are optional.
* Their creation depends on the chip configuration which is determined during
- * module load. */
+ * module load.
+ */
static struct attribute *dme1737_fan1_attr[] = {
&sensor_dev_attr_fan1_input.dev_attr.attr,
&sensor_dev_attr_fan1_min.dev_attr.attr,
@@ -1843,8 +1920,10 @@ static const struct attribute_group dme1737_fan_group[] = {
{ .attrs = dme1737_fan6_attr },
};
-/* The permissions of the following zone attributes are changed to read-
- * writeable if the chip is *not* locked. Otherwise they stay read-only. */
+/*
+ * The permissions of the following zone attributes are changed to read-
+ * writeable if the chip is *not* locked. Otherwise they stay read-only.
+ */
static struct attribute *dme1737_zone_chmod_attr[] = {
&sensor_dev_attr_zone1_auto_point1_temp.dev_attr.attr,
&sensor_dev_attr_zone1_auto_point2_temp.dev_attr.attr,
@@ -1860,8 +1939,10 @@ static const struct attribute_group dme1737_zone_chmod_group = {
};
-/* The permissions of the following zone 3 attributes are changed to read-
- * writeable if the chip is *not* locked. Otherwise they stay read-only. */
+/*
+ * The permissions of the following zone 3 attributes are changed to read-
+ * writeable if the chip is *not* locked. Otherwise they stay read-only.
+ */
static struct attribute *dme1737_zone3_chmod_attr[] = {
&sensor_dev_attr_zone3_auto_point1_temp.dev_attr.attr,
&sensor_dev_attr_zone3_auto_point2_temp.dev_attr.attr,
@@ -1873,9 +1954,11 @@ static const struct attribute_group dme1737_zone3_chmod_group = {
.attrs = dme1737_zone3_chmod_attr,
};
-/* The permissions of the following PWM attributes are changed to read-
+/*
+ * The permissions of the following PWM attributes are changed to read-
* writeable if the chip is *not* locked and the respective PWM is available.
- * Otherwise they stay read-only. */
+ * Otherwise they stay read-only.
+ */
static struct attribute *dme1737_pwm1_chmod_attr[] = {
&sensor_dev_attr_pwm1_freq.dev_attr.attr,
&sensor_dev_attr_pwm1_enable.dev_attr.attr,
@@ -1920,8 +2003,10 @@ static const struct attribute_group dme1737_pwm_chmod_group[] = {
{ .attrs = dme1737_pwm6_chmod_attr },
};
-/* Pwm[1-3] are read-writeable if the associated pwm is in manual mode and the
- * chip is not locked. Otherwise they are read-only. */
+/*
+ * Pwm[1-3] are read-writeable if the associated pwm is in manual mode and the
+ * chip is not locked. Otherwise they are read-only.
+ */
static struct attribute *dme1737_pwm_chmod_attr[] = {
&sensor_dev_attr_pwm1.dev_attr.attr,
&sensor_dev_attr_pwm2.dev_attr.attr,
@@ -1975,9 +2060,8 @@ static void dme1737_chmod_group(struct device *dev,
{
struct attribute **attr;
- for (attr = group->attrs; *attr; attr++) {
+ for (attr = group->attrs; *attr; attr++)
dme1737_chmod_file(dev, *attr, mode);
- }
}
static void dme1737_remove_files(struct device *dev)
@@ -2003,26 +2087,20 @@ static void dme1737_remove_files(struct device *dev)
}
}
- if (data->has_features & HAS_TEMP_OFFSET) {
+ if (data->has_features & HAS_TEMP_OFFSET)
sysfs_remove_group(&dev->kobj, &dme1737_temp_offset_group);
- }
- if (data->has_features & HAS_VID) {
+ if (data->has_features & HAS_VID)
sysfs_remove_group(&dev->kobj, &dme1737_vid_group);
- }
- if (data->has_features & HAS_ZONE3) {
+ if (data->has_features & HAS_ZONE3)
sysfs_remove_group(&dev->kobj, &dme1737_zone3_group);
- }
- if (data->has_features & HAS_ZONE_HYST) {
+ if (data->has_features & HAS_ZONE_HYST)
sysfs_remove_group(&dev->kobj, &dme1737_zone_hyst_group);
- }
- if (data->has_features & HAS_IN7) {
+ if (data->has_features & HAS_IN7)
sysfs_remove_group(&dev->kobj, &dme1737_in7_group);
- }
sysfs_remove_group(&dev->kobj, &dme1737_group);
- if (!data->client) {
+ if (!data->client)
sysfs_remove_file(&dev->kobj, &dev_attr_name.attr);
- }
}
static int dme1737_create_files(struct device *dev)
@@ -2033,48 +2111,41 @@ static int dme1737_create_files(struct device *dev)
/* Create a name attribute for ISA devices */
if (!data->client) {
err = sysfs_create_file(&dev->kobj, &dev_attr_name.attr);
- if (err) {
+ if (err)
goto exit;
- }
}
/* Create standard sysfs attributes */
err = sysfs_create_group(&dev->kobj, &dme1737_group);
- if (err) {
+ if (err)
goto exit_remove;
- }
/* Create chip-dependent sysfs attributes */
if (data->has_features & HAS_TEMP_OFFSET) {
err = sysfs_create_group(&dev->kobj,
&dme1737_temp_offset_group);
- if (err) {
+ if (err)
goto exit_remove;
- }
}
if (data->has_features & HAS_VID) {
err = sysfs_create_group(&dev->kobj, &dme1737_vid_group);
- if (err) {
+ if (err)
goto exit_remove;
- }
}
if (data->has_features & HAS_ZONE3) {
err = sysfs_create_group(&dev->kobj, &dme1737_zone3_group);
- if (err) {
+ if (err)
goto exit_remove;
- }
}
if (data->has_features & HAS_ZONE_HYST) {
err = sysfs_create_group(&dev->kobj, &dme1737_zone_hyst_group);
- if (err) {
+ if (err)
goto exit_remove;
- }
}
if (data->has_features & HAS_IN7) {
err = sysfs_create_group(&dev->kobj, &dme1737_in7_group);
- if (err) {
+ if (err)
goto exit_remove;
- }
}
/* Create fan sysfs attributes */
@@ -2082,9 +2153,8 @@ static int dme1737_create_files(struct device *dev)
if (data->has_features & HAS_FAN(ix)) {
err = sysfs_create_group(&dev->kobj,
&dme1737_fan_group[ix]);
- if (err) {
+ if (err)
goto exit_remove;
- }
}
}
@@ -2093,21 +2163,21 @@ static int dme1737_create_files(struct device *dev)
if (data->has_features & HAS_PWM(ix)) {
err = sysfs_create_group(&dev->kobj,
&dme1737_pwm_group[ix]);
- if (err) {
+ if (err)
goto exit_remove;
- }
if ((data->has_features & HAS_PWM_MIN) && (ix < 3)) {
err = sysfs_create_file(&dev->kobj,
dme1737_auto_pwm_min_attr[ix]);
- if (err) {
+ if (err)
goto exit_remove;
- }
}
}
}
- /* Inform if the device is locked. Otherwise change the permissions of
- * selected attributes from read-only to read-writeable. */
+ /*
+ * Inform if the device is locked. Otherwise change the permissions of
+ * selected attributes from read-only to read-writeable.
+ */
if (data->config & 0x02) {
dev_info(dev, "Device is locked. Some attributes "
"will be read-only.\n");
@@ -2194,26 +2264,30 @@ static int dme1737_init_device(struct device *dev)
return -EFAULT;
}
- /* Determine which optional fan and pwm features are enabled (only
- * valid for I2C devices) */
+ /*
+ * Determine which optional fan and pwm features are enabled (only
+ * valid for I2C devices)
+ */
if (client) { /* I2C chip */
data->config2 = dme1737_read(data, DME1737_REG_CONFIG2);
/* Check if optional fan3 input is enabled */
- if (data->config2 & 0x04) {
+ if (data->config2 & 0x04)
data->has_features |= HAS_FAN(2);
- }
- /* Fan4 and pwm3 are only available if the client's I2C address
+ /*
+ * Fan4 and pwm3 are only available if the client's I2C address
* is the default 0x2e. Otherwise the I/Os associated with
- * these functions are used for addr enable/select. */
- if (client->addr == 0x2e) {
+ * these functions are used for addr enable/select.
+ */
+ if (client->addr == 0x2e)
data->has_features |= HAS_FAN(3) | HAS_PWM(2);
- }
- /* Determine which of the optional fan[5-6] and pwm[5-6]
+ /*
+ * Determine which of the optional fan[5-6] and pwm[5-6]
* features are enabled. For this, we need to query the runtime
* registers through the Super-IO LPC interface. Try both
- * config ports 0x2e and 0x4e. */
+ * config ports 0x2e and 0x4e.
+ */
if (dme1737_i2c_get_features(0x2e, data) &&
dme1737_i2c_get_features(0x4e, data)) {
dev_warn(dev, "Failed to query Super-IO for optional "
@@ -2271,9 +2345,11 @@ static int dme1737_init_device(struct device *dev)
((reg >> 4) & 0x03) + 1);
}
- /* Switch pwm[1-3] to manual mode if they are currently disabled and
+ /*
+ * Switch pwm[1-3] to manual mode if they are currently disabled and
* set the duty-cycles to 0% (which is identical to the PWMs being
- * disabled). */
+ * disabled).
+ */
if (!(data->config & 0x02)) {
for (ix = 0; ix < 3; ix++) {
data->pwm_config[ix] = dme1737_read(data,
@@ -2298,9 +2374,8 @@ static int dme1737_init_device(struct device *dev)
data->pwm_acz[2] = 4; /* pwm3 -> zone3 */
/* Set VRM */
- if (data->has_features & HAS_VID) {
+ if (data->has_features & HAS_VID)
data->vrm = vid_which_vrm();
- }
return 0;
}
@@ -2318,8 +2393,10 @@ static int dme1737_i2c_get_features(int sio_cip, struct dme1737_data *data)
dme1737_sio_enter(sio_cip);
- /* Check device ID
- * We currently know about two kinds of DME1737 and SCH5027. */
+ /*
+ * Check device ID
+ * We currently know about two kinds of DME1737 and SCH5027.
+ */
reg = force_id ? force_id : dme1737_sio_inb(sio_cip, 0x20);
if (!(reg == DME1737_ID_1 || reg == DME1737_ID_2 ||
reg == SCH5027_ID)) {
@@ -2338,21 +2415,19 @@ static int dme1737_i2c_get_features(int sio_cip, struct dme1737_data *data)
goto exit;
}
- /* Read the runtime registers to determine which optional features
+ /*
+ * Read the runtime registers to determine which optional features
* are enabled and available. Bits [3:2] of registers 0x43-0x46 are set
- * to '10' if the respective feature is enabled. */
- if ((inb(addr + 0x43) & 0x0c) == 0x08) { /* fan6 */
+ * to '10' if the respective feature is enabled.
+ */
+ if ((inb(addr + 0x43) & 0x0c) == 0x08) /* fan6 */
data->has_features |= HAS_FAN(5);
- }
- if ((inb(addr + 0x44) & 0x0c) == 0x08) { /* pwm6 */
+ if ((inb(addr + 0x44) & 0x0c) == 0x08) /* pwm6 */
data->has_features |= HAS_PWM(5);
- }
- if ((inb(addr + 0x45) & 0x0c) == 0x08) { /* fan5 */
+ if ((inb(addr + 0x45) & 0x0c) == 0x08) /* fan5 */
data->has_features |= HAS_FAN(4);
- }
- if ((inb(addr + 0x46) & 0x0c) == 0x08) { /* pwm5 */
+ if ((inb(addr + 0x46) & 0x0c) == 0x08) /* pwm5 */
data->has_features |= HAS_PWM(4);
- }
exit:
dme1737_sio_exit(sio_cip);
@@ -2369,9 +2444,8 @@ static int dme1737_i2c_detect(struct i2c_client *client,
u8 company, verstep = 0;
const char *name;
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -ENODEV;
- }
company = i2c_smbus_read_byte_data(client, DME1737_REG_COMPANY);
verstep = i2c_smbus_read_byte_data(client, DME1737_REG_VERSTEP);
@@ -2486,8 +2560,10 @@ static int __init dme1737_isa_detect(int sio_cip, unsigned short *addr)
dme1737_sio_enter(sio_cip);
- /* Check device ID
- * We currently know about SCH3112, SCH3114, SCH3116, and SCH5127 */
+ /*
+ * Check device ID
+ * We currently know about SCH3112, SCH3114, SCH3116, and SCH5127
+ */
reg = force_id ? force_id : dme1737_sio_inb(sio_cip, 0x20);
if (!(reg == SCH3112_ID || reg == SCH3114_ID || reg == SCH3116_ID ||
reg == SCH5127_ID)) {
@@ -2507,8 +2583,10 @@ static int __init dme1737_isa_detect(int sio_cip, unsigned short *addr)
goto exit;
}
- /* Access to the hwmon registers is through an index/data register
- * pair located at offset 0x70/0x71. */
+ /*
+ * Access to the hwmon registers is through an index/data register
+ * pair located at offset 0x70/0x71.
+ */
*addr = base_addr + 0x70;
exit:
@@ -2610,11 +2688,10 @@ static int __devinit dme1737_isa_probe(struct platform_device *pdev)
}
}
- if (data->type == sch5127) {
+ if (data->type == sch5127)
data->name = "sch5127";
- } else {
+ else
data->name = "sch311x";
- }
/* Initialize the mutex */
mutex_init(&data->update_lock);
@@ -2689,9 +2766,8 @@ static int __init dme1737_init(void)
unsigned short addr;
err = i2c_add_driver(&dme1737_i2c_driver);
- if (err) {
+ if (err)
goto exit;
- }
if (dme1737_isa_detect(0x2e, &addr) &&
dme1737_isa_detect(0x4e, &addr) &&
@@ -2703,15 +2779,13 @@ static int __init dme1737_init(void)
}
err = platform_driver_register(&dme1737_isa_driver);
- if (err) {
+ if (err)
goto exit_del_i2c_driver;
- }
/* Sets global pdev as a side effect */
err = dme1737_isa_device_add(addr);
- if (err) {
+ if (err)
goto exit_del_isa_driver;
- }
return 0;
diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c
index ef1ac996752..f647a3307eb 100644
--- a/drivers/hwmon/ds1621.c
+++ b/drivers/hwmon/ds1621.c
@@ -1,25 +1,25 @@
/*
- ds1621.c - Part of lm_sensors, Linux kernel modules for hardware
- monitoring
- Christian W. Zuckschwerdt <zany@triq.net> 2000-11-23
- based on lm75.c by Frodo Looijaard <frodol@dds.nl>
- Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
- the help of Jean Delvare <khali@linux-fr.org>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * ds1621.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ * Christian W. Zuckschwerdt <zany@triq.net> 2000-11-23
+ * based on lm75.c by Frodo Looijaard <frodol@dds.nl>
+ * Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
+ * the help of Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -67,7 +67,7 @@ static const u8 DS1621_REG_TEMP[3] = {
/* Conversions */
#define ALARMS_FROM_REG(val) ((val) & \
- (DS1621_ALARM_TEMP_HIGH | DS1621_ALARM_TEMP_LOW))
+ (DS1621_ALARM_TEMP_HIGH | DS1621_ALARM_TEMP_LOW))
/* Each client has this additional data */
struct ds1621_data {
@@ -93,10 +93,10 @@ static void ds1621_init_client(struct i2c_client *client)
new_conf &= ~DS1621_REG_CONFIG_POLARITY;
else if (polarity == 1)
new_conf |= DS1621_REG_CONFIG_POLARITY;
-
+
if (conf != new_conf)
i2c_smbus_write_byte_data(client, DS1621_REG_CONF, new_conf);
-
+
/* start conversion */
i2c_smbus_write_byte(client, DS1621_COM_START);
}
@@ -155,10 +155,15 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da,
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct i2c_client *client = to_i2c_client(dev);
struct ds1621_data *data = i2c_get_clientdata(client);
- u16 val = LM75_TEMP_TO_REG(simple_strtol(buf, NULL, 10));
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
- data->temp[attr->index] = val;
+ data->temp[attr->index] = LM75_TEMP_TO_REG(val);
i2c_smbus_write_word_swapped(client, DS1621_REG_TEMP[attr->index],
data->temp[attr->index]);
mutex_unlock(&data->update_lock);
@@ -212,14 +217,17 @@ static int ds1621_detect(struct i2c_client *client,
int conf, temp;
int i;
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA
- | I2C_FUNC_SMBUS_WORD_DATA
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA
+ | I2C_FUNC_SMBUS_WORD_DATA
| I2C_FUNC_SMBUS_WRITE_BYTE))
return -ENODEV;
- /* Now, we do the remaining detection. It is lousy. */
- /* The NVB bit should be low if no EEPROM write has been requested
- during the latest 10ms, which is highly improbable in our case. */
+ /*
+ * Now, we do the remaining detection. It is lousy.
+ *
+ * The NVB bit should be low if no EEPROM write has been requested
+ * during the latest 10ms, which is highly improbable in our case.
+ */
conf = i2c_smbus_read_byte_data(client, DS1621_REG_CONF);
if (conf < 0 || conf & DS1621_REG_CONFIG_NVB)
return -ENODEV;
@@ -254,7 +262,8 @@ static int ds1621_probe(struct i2c_client *client,
ds1621_init_client(client);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&client->dev.kobj, &ds1621_group)))
+ err = sysfs_create_group(&client->dev.kobj, &ds1621_group);
+ if (err)
goto exit_free;
data->hwmon_dev = hwmon_device_register(&client->dev);
@@ -265,11 +274,11 @@ static int ds1621_probe(struct i2c_client *client,
return 0;
- exit_remove_files:
+ exit_remove_files:
sysfs_remove_group(&client->dev.kobj, &ds1621_group);
- exit_free:
+ exit_free:
kfree(data);
- exit:
+ exit:
return err;
}
@@ -305,20 +314,8 @@ static struct i2c_driver ds1621_driver = {
.address_list = normal_i2c,
};
-static int __init ds1621_init(void)
-{
- return i2c_add_driver(&ds1621_driver);
-}
-
-static void __exit ds1621_exit(void)
-{
- i2c_del_driver(&ds1621_driver);
-}
-
+module_i2c_driver(ds1621_driver);
MODULE_AUTHOR("Christian W. Zuckschwerdt <zany@triq.net>");
MODULE_DESCRIPTION("DS1621 driver");
MODULE_LICENSE("GPL");
-
-module_init(ds1621_init);
-module_exit(ds1621_exit);
diff --git a/drivers/hwmon/ds620.c b/drivers/hwmon/ds620.c
index 300c3d4d67d..50663efad41 100644
--- a/drivers/hwmon/ds620.c
+++ b/drivers/hwmon/ds620.c
@@ -297,19 +297,8 @@ static struct i2c_driver ds620_driver = {
.id_table = ds620_id,
};
-static int __init ds620_init(void)
-{
- return i2c_add_driver(&ds620_driver);
-}
-
-static void __exit ds620_exit(void)
-{
- i2c_del_driver(&ds620_driver);
-}
+module_i2c_driver(ds620_driver);
MODULE_AUTHOR("Roland Stigge <stigge@antcom.de>");
MODULE_DESCRIPTION("DS620 driver");
MODULE_LICENSE("GPL");
-
-module_init(ds620_init);
-module_exit(ds620_exit);
diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c
index 270ffab711c..149dcb0e148 100644
--- a/drivers/hwmon/emc1403.c
+++ b/drivers/hwmon/emc1403.c
@@ -41,8 +41,10 @@
struct thermal_data {
struct device *hwmon_dev;
struct mutex mutex;
- /* Cache the hyst value so we don't keep re-reading it. In theory
- we could cache it forever as nobody else should be writing it. */
+ /*
+ * Cache the hyst value so we don't keep re-reading it. In theory
+ * we could cache it forever as nobody else should be writing it.
+ */
u8 cached_hyst;
unsigned long hyst_valid;
};
@@ -283,8 +285,10 @@ static int emc1403_detect(struct i2c_client *client,
case 0x23:
strlcpy(info->type, "emc1423", I2C_NAME_SIZE);
break;
- /* Note: 0x25 is the 1404 which is very similar and this
- driver could be extended */
+ /*
+ * Note: 0x25 is the 1404 which is very similar and this
+ * driver could be extended
+ */
default:
return -ENODEV;
}
@@ -366,18 +370,7 @@ static struct i2c_driver sensor_emc1403 = {
.address_list = emc1403_address_list,
};
-static int __init sensor_emc1403_init(void)
-{
- return i2c_add_driver(&sensor_emc1403);
-}
-
-static void __exit sensor_emc1403_exit(void)
-{
- i2c_del_driver(&sensor_emc1403);
-}
-
-module_init(sensor_emc1403_init);
-module_exit(sensor_emc1403_exit);
+module_i2c_driver(sensor_emc1403);
MODULE_AUTHOR("Kalhan Trisal <kalhan.trisal@intel.com");
MODULE_DESCRIPTION("emc1403 Thermal Driver");
diff --git a/drivers/hwmon/emc2103.c b/drivers/hwmon/emc2103.c
index 865063914d7..9691f664c76 100644
--- a/drivers/hwmon/emc2103.c
+++ b/drivers/hwmon/emc2103.c
@@ -1,21 +1,21 @@
/*
- emc2103.c - Support for SMSC EMC2103
- Copyright (c) 2010 SMSC
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * emc2103.c - Support for SMSC EMC2103
+ * Copyright (c) 2010 SMSC
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -48,12 +48,14 @@ static const u8 REG_TEMP_MAX[4] = { 0x34, 0x30, 0x31, 0x32 };
/* equation 4 from datasheet: rpm = (3932160 * multipler) / count */
#define FAN_RPM_FACTOR 3932160
-/* 2103-2 and 2103-4's 3rd temperature sensor can be connected to two diodes
+/*
+ * 2103-2 and 2103-4's 3rd temperature sensor can be connected to two diodes
* in anti-parallel mode, and in this configuration both can be read
* independently (so we have 4 temperature inputs). The device can't
* detect if it's connected in this mode, so we have to manually enable
* it. Default is to leave the device in the state it's already in (-1).
- * This parameter allows APD mode to be optionally forced on or off */
+ * This parameter allows APD mode to be optionally forced on or off
+ */
static int apd = -1;
module_param(apd, bint, 0);
MODULE_PARM_DESC(init, "Set to zero to disable anti-parallel diode mode");
@@ -302,10 +304,12 @@ show_fan_div(struct device *dev, struct device_attribute *da, char *buf)
return sprintf(buf, "%d\n", fan_div);
}
-/* Note: we also update the fan target here, because its value is
- determined in part by the fan clock divider. This follows the principle
- of least surprise; the user doesn't expect the fan target to change just
- because the divider changed. */
+/*
+ * Note: we also update the fan target here, because its value is
+ * determined in part by the fan clock divider. This follows the principle
+ * of least surprise; the user doesn't expect the fan target to change just
+ * because the divider changed.
+ */
static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
@@ -722,19 +726,8 @@ static struct i2c_driver emc2103_driver = {
.address_list = normal_i2c,
};
-static int __init sensors_emc2103_init(void)
-{
- return i2c_add_driver(&emc2103_driver);
-}
-
-static void __exit sensors_emc2103_exit(void)
-{
- i2c_del_driver(&emc2103_driver);
-}
+module_i2c_driver(emc2103_driver);
MODULE_AUTHOR("Steve Glendinning <steve.glendinning@smsc.com>");
MODULE_DESCRIPTION("SMSC EMC2103 hwmon driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_emc2103_init);
-module_exit(sensors_emc2103_exit);
diff --git a/drivers/hwmon/emc6w201.c b/drivers/hwmon/emc6w201.c
index 6ebb9b738c9..840f5112e60 100644
--- a/drivers/hwmon/emc6w201.c
+++ b/drivers/hwmon/emc6w201.c
@@ -552,17 +552,7 @@ static struct i2c_driver emc6w201_driver = {
.address_list = normal_i2c,
};
-static int __init sensors_emc6w201_init(void)
-{
- return i2c_add_driver(&emc6w201_driver);
-}
-module_init(sensors_emc6w201_init);
-
-static void __exit sensors_emc6w201_exit(void)
-{
- i2c_del_driver(&emc6w201_driver);
-}
-module_exit(sensors_emc6w201_exit);
+module_i2c_driver(emc6w201_driver);
MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
MODULE_DESCRIPTION("SMSC EMC6W201 hardware monitoring driver");
diff --git a/drivers/hwmon/f71805f.c b/drivers/hwmon/f71805f.c
index 6dbfd3e516e..3e4da620e9c 100644
--- a/drivers/hwmon/f71805f.c
+++ b/drivers/hwmon/f71805f.c
@@ -202,7 +202,7 @@ struct f71805f_sio_data {
static inline long in_from_reg(u8 reg)
{
- return (reg * 8);
+ return reg * 8;
}
/* The 2 least significant bits are not used */
@@ -212,13 +212,13 @@ static inline u8 in_to_reg(long val)
return 0;
if (val >= 2016)
return 0xfc;
- return (((val + 16) / 32) << 2);
+ return ((val + 16) / 32) << 2;
}
/* in0 is downscaled by a factor 2 internally */
static inline long in0_from_reg(u8 reg)
{
- return (reg * 16);
+ return reg * 16;
}
static inline u8 in0_to_reg(long val)
@@ -227,7 +227,7 @@ static inline u8 in0_to_reg(long val)
return 0;
if (val >= 4032)
return 0xfc;
- return (((val + 32) / 64) << 2);
+ return ((val + 32) / 64) << 2;
}
/* The 4 most significant bits are not used */
@@ -236,17 +236,19 @@ static inline long fan_from_reg(u16 reg)
reg &= 0xfff;
if (!reg || reg == 0xfff)
return 0;
- return (1500000 / reg);
+ return 1500000 / reg;
}
static inline u16 fan_to_reg(long rpm)
{
- /* If the low limit is set below what the chip can measure,
- store the largest possible 12-bit value in the registers,
- so that no alarm will ever trigger. */
+ /*
+ * If the low limit is set below what the chip can measure,
+ * store the largest possible 12-bit value in the registers,
+ * so that no alarm will ever trigger.
+ */
if (rpm < 367)
return 0xfff;
- return (1500000 / rpm);
+ return 1500000 / rpm;
}
static inline unsigned long pwm_freq_from_reg(u8 reg)
@@ -278,7 +280,7 @@ static inline int pwm_mode_from_reg(u8 reg)
static inline long temp_from_reg(u8 reg)
{
- return (reg * 1000);
+ return reg * 1000;
}
static inline u8 temp_to_reg(long val)
@@ -308,9 +310,11 @@ static void f71805f_write8(struct f71805f_data *data, u8 reg, u8 val)
outb(val, data->addr + DATA_REG_OFFSET);
}
-/* It is important to read the MSB first, because doing so latches the
- value of the LSB, so we are sure both bytes belong to the same value.
- Must be called with data->update_lock held, except during initialization */
+/*
+ * It is important to read the MSB first, because doing so latches the
+ * value of the LSB, so we are sure both bytes belong to the same value.
+ * Must be called with data->update_lock held, except during initialization
+ */
static u16 f71805f_read16(struct f71805f_data *data, u8 reg)
{
u16 val;
@@ -455,7 +459,12 @@ static ssize_t set_in0_max(struct device *dev, struct device_attribute
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
int nr = attr->index;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_high[nr] = in0_to_reg(val);
@@ -471,7 +480,12 @@ static ssize_t set_in0_min(struct device *dev, struct device_attribute
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
int nr = attr->index;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_low[nr] = in0_to_reg(val);
@@ -517,7 +531,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
int nr = attr->index;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_high[nr] = in_to_reg(val);
@@ -533,7 +552,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
int nr = attr->index;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_low[nr] = in_to_reg(val);
@@ -579,7 +603,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
int nr = attr->index;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->fan_low[nr] = fan_to_reg(val);
@@ -595,7 +624,12 @@ static ssize_t set_fan_target(struct device *dev, struct device_attribute
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
int nr = attr->index;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->fan_target[nr] = fan_to_reg(val);
@@ -664,7 +698,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr,
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
int nr = attr->index;
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
if (val > 255)
return -EINVAL;
@@ -685,8 +724,13 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
int nr = attr->index;
- unsigned long val = simple_strtoul(buf, NULL, 10);
u8 reg;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
if (val < 1 || val > 3)
return -EINVAL;
@@ -730,7 +774,12 @@ static ssize_t set_pwm_freq(struct device *dev, struct device_attribute
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
int nr = attr->index;
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->pwm_freq[nr] = pwm_freq_to_reg(val);
@@ -742,7 +791,7 @@ static ssize_t set_pwm_freq(struct device *dev, struct device_attribute
static ssize_t show_pwm_auto_point_temp(struct device *dev,
struct device_attribute *devattr,
- char* buf)
+ char *buf)
{
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
@@ -755,13 +804,18 @@ static ssize_t show_pwm_auto_point_temp(struct device *dev,
static ssize_t set_pwm_auto_point_temp(struct device *dev,
struct device_attribute *devattr,
- const char* buf, size_t count)
+ const char *buf, size_t count)
{
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
int pwmnr = attr->nr;
int apnr = attr->index;
- unsigned long val = simple_strtol(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->auto_points[pwmnr].temp[apnr] = temp_to_reg(val);
@@ -774,7 +828,7 @@ static ssize_t set_pwm_auto_point_temp(struct device *dev,
static ssize_t show_pwm_auto_point_fan(struct device *dev,
struct device_attribute *devattr,
- char* buf)
+ char *buf)
{
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
@@ -787,18 +841,23 @@ static ssize_t show_pwm_auto_point_fan(struct device *dev,
static ssize_t set_pwm_auto_point_fan(struct device *dev,
struct device_attribute *devattr,
- const char* buf, size_t count)
+ const char *buf, size_t count)
{
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
int pwmnr = attr->nr;
int apnr = attr->index;
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->auto_points[pwmnr].fan[apnr] = fan_to_reg(val);
f71805f_write16(data, F71805F_REG_PWM_AUTO_POINT_FAN(pwmnr, apnr),
- data->auto_points[pwmnr].fan[apnr]);
+ data->auto_points[pwmnr].fan[apnr]);
mutex_unlock(&data->update_lock);
return count;
@@ -851,7 +910,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
int nr = attr->index;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_high[nr] = temp_to_reg(val);
@@ -867,7 +931,12 @@ static ssize_t set_temp_hyst(struct device *dev, struct device_attribute
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
int nr = attr->index;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_hyst[nr] = temp_to_reg(val);
@@ -920,9 +989,9 @@ static ssize_t show_name(struct device *dev, struct device_attribute
}
static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL, 0);
-static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO| S_IWUSR,
+static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
show_in0_max, set_in0_max, 0);
-static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO| S_IWUSR,
+static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
show_in0_min, set_in0_min, 0);
static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1);
static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR,
@@ -1010,8 +1079,10 @@ static SENSOR_DEVICE_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR,
show_temp_hyst, set_temp_hyst, 2);
static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2);
-/* pwm (value) files are created read-only, write permission is
- then added or removed dynamically as needed */
+/*
+ * pwm (value) files are created read-only, write permission is
+ * then added or removed dynamically as needed
+ */
static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO, show_pwm, set_pwm, 0);
static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
show_pwm_enable, set_pwm_enable, 0);
@@ -1246,8 +1317,10 @@ static const struct attribute_group f71805f_group_optin[4] = {
{ .attrs = f71805f_attributes_optin[3] },
};
-/* We don't include pwm_freq files in the arrays above, because they must be
- created conditionally (only if pwm_mode is 1 == PWM) */
+/*
+ * We don't include pwm_freq files in the arrays above, because they must be
+ * created conditionally (only if pwm_mode is 1 == PWM)
+ */
static struct attribute *f71805f_attributes_pwm_freq[] = {
&sensor_dev_attr_pwm1_freq.dev_attr.attr,
&sensor_dev_attr_pwm2_freq.dev_attr.attr,
@@ -1282,13 +1355,17 @@ static void __devinit f71805f_init_device(struct f71805f_data *data)
f71805f_write8(data, F71805F_REG_START, (reg | 0x01) & ~0x40);
}
- /* Fan monitoring can be disabled. If it is, we won't be polling
- the register values, and won't create the related sysfs files. */
+ /*
+ * Fan monitoring can be disabled. If it is, we won't be polling
+ * the register values, and won't create the related sysfs files.
+ */
for (i = 0; i < 3; i++) {
data->fan_ctrl[i] = f71805f_read8(data,
F71805F_REG_FAN_CTRL(i));
- /* Clear latch full bit, else "speed mode" fan speed control
- doesn't work */
+ /*
+ * Clear latch full bit, else "speed mode" fan speed control
+ * doesn't work
+ */
if (data->fan_ctrl[i] & FAN_CTRL_LATCH_FULL) {
data->fan_ctrl[i] &= ~FAN_CTRL_LATCH_FULL;
f71805f_write8(data, F71805F_REG_FAN_CTRL(i),
@@ -1304,12 +1381,13 @@ static int __devinit f71805f_probe(struct platform_device *pdev)
struct resource *res;
int i, err;
- static const char *names[] = {
+ static const char * const names[] = {
"f71805f",
"f71872f",
};
- if (!(data = kzalloc(sizeof(struct f71805f_data), GFP_KERNEL))) {
+ data = kzalloc(sizeof(struct f71805f_data), GFP_KERNEL);
+ if (!data) {
err = -ENOMEM;
pr_err("Out of memory\n");
goto exit;
@@ -1347,40 +1425,47 @@ static int __devinit f71805f_probe(struct platform_device *pdev)
f71805f_init_device(data);
/* Register sysfs interface files */
- if ((err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group)))
+ err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group);
+ if (err)
goto exit_release_region;
if (data->has_in & (1 << 4)) { /* in4 */
- if ((err = sysfs_create_group(&pdev->dev.kobj,
- &f71805f_group_optin[0])))
+ err = sysfs_create_group(&pdev->dev.kobj,
+ &f71805f_group_optin[0]);
+ if (err)
goto exit_remove_files;
}
if (data->has_in & (1 << 8)) { /* in8 */
- if ((err = sysfs_create_group(&pdev->dev.kobj,
- &f71805f_group_optin[1])))
+ err = sysfs_create_group(&pdev->dev.kobj,
+ &f71805f_group_optin[1]);
+ if (err)
goto exit_remove_files;
}
if (data->has_in & (1 << 9)) { /* in9 (F71872F/FG only) */
- if ((err = sysfs_create_group(&pdev->dev.kobj,
- &f71805f_group_optin[2])))
+ err = sysfs_create_group(&pdev->dev.kobj,
+ &f71805f_group_optin[2]);
+ if (err)
goto exit_remove_files;
}
if (data->has_in & (1 << 10)) { /* in9 (F71872F/FG only) */
- if ((err = sysfs_create_group(&pdev->dev.kobj,
- &f71805f_group_optin[3])))
+ err = sysfs_create_group(&pdev->dev.kobj,
+ &f71805f_group_optin[3]);
+ if (err)
goto exit_remove_files;
}
for (i = 0; i < 3; i++) {
/* If control mode is PWM, create pwm_freq file */
if (!(data->fan_ctrl[i] & FAN_CTRL_DC_MODE)) {
- if ((err = sysfs_create_file(&pdev->dev.kobj,
- f71805f_attributes_pwm_freq[i])))
+ err = sysfs_create_file(&pdev->dev.kobj,
+ f71805f_attributes_pwm_freq[i]);
+ if (err)
goto exit_remove_files;
}
/* If PWM is in manual mode, add write permission */
if (data->fan_ctrl[i] & FAN_CTRL_MODE_MANUAL) {
- if ((err = sysfs_chmod_file(&pdev->dev.kobj,
- f71805f_attr_pwm[i],
- S_IRUGO | S_IWUSR))) {
+ err = sysfs_chmod_file(&pdev->dev.kobj,
+ f71805f_attr_pwm[i],
+ S_IRUGO | S_IWUSR);
+ if (err) {
dev_err(&pdev->dev, "chmod +w pwm%d failed\n",
i + 1);
goto exit_remove_files;
@@ -1495,7 +1580,7 @@ static int __init f71805f_find(int sioaddr, unsigned short *address,
int err = -ENODEV;
u16 devid;
- static const char *names[] = {
+ static const char * const names[] = {
"F71805F/FG",
"F71872F/FG or F71806F/FG",
};
diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c
index e50305819f0..6d1226365e3 100644
--- a/drivers/hwmon/f71882fg.c
+++ b/drivers/hwmon/f71882fg.c
@@ -112,7 +112,7 @@ MODULE_PARM_DESC(force_id, "Override the detected device ID");
enum chips { f71808e, f71808a, f71858fg, f71862fg, f71869, f71869a, f71882fg,
f71889fg, f71889ed, f71889a, f8000, f81865f };
-static const char *f71882fg_names[] = {
+static const char *const f71882fg_names[] = {
"f71808e",
"f71808a",
"f71858fg",
@@ -252,9 +252,11 @@ struct f71882fg_data {
u16 fan_full_speed[4];
u8 fan_status;
u8 fan_beep;
- /* Note: all models have max 3 temperature channels, but on some
- they are addressed as 0-2 and on others as 1-3, so for coding
- convenience we reserve space for 4 channels */
+ /*
+ * Note: all models have max 3 temperature channels, but on some
+ * they are addressed as 0-2 and on others as 1-3, so for coding
+ * convenience we reserve space for 4 channels
+ */
u16 temp[4];
u8 temp_ovt[4];
u8 temp_high[4];
@@ -362,7 +364,7 @@ static ssize_t store_pwm_auto_point_temp(struct device *dev,
static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
char *buf);
-static int __devinit f71882fg_probe(struct platform_device * pdev);
+static int __devinit f71882fg_probe(struct platform_device *pdev);
static int f71882fg_remove(struct platform_device *pdev);
static struct platform_driver f71882fg_driver = {
@@ -376,8 +378,10 @@ static struct platform_driver f71882fg_driver = {
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
-/* Temp attr for the f71858fg, the f71858fg is special as it has its
- temperature indexes start at 0 (the others start at 1) */
+/*
+ * Temp attr for the f71858fg, the f71858fg is special as it has its
+ * temperature indexes start at 0 (the others start at 1)
+ */
static struct sensor_device_attribute_2 f71858fg_temp_attr[] = {
SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
@@ -424,9 +428,11 @@ static struct sensor_device_attribute_2 fxxxx_temp_attr[3][9] = { {
store_temp_max, 0, 1),
SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
store_temp_max_hyst, 0, 1),
- /* Should really be temp1_max_alarm, but older versions did not handle
- the max and crit alarms separately and lm_sensors v2 depends on the
- presence of temp#_alarm files. The same goes for temp2/3 _alarm. */
+ /*
+ * Should really be temp1_max_alarm, but older versions did not handle
+ * the max and crit alarms separately and lm_sensors v2 depends on the
+ * presence of temp#_alarm files. The same goes for temp2/3 _alarm.
+ */
SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
store_temp_crit, 0, 1),
@@ -485,10 +491,11 @@ static struct sensor_device_attribute_2 fxxxx_temp_beep_attr[3][2] = { {
store_temp_beep, 0, 7),
} };
-/* Temp attr for the f8000
- Note on the f8000 temp_ovt (crit) is used as max, and temp_high (max)
- is used as hysteresis value to clear alarms
- Also like the f71858fg its temperature indexes start at 0
+/*
+ * Temp attr for the f8000
+ * Note on the f8000 temp_ovt (crit) is used as max, and temp_high (max)
+ * is used as hysteresis value to clear alarms
+ * Also like the f71858fg its temperature indexes start at 0
*/
static struct sensor_device_attribute_2 f8000_temp_attr[] = {
SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
@@ -603,8 +610,10 @@ static struct sensor_device_attribute_2 fxxxx_fan_beep_attr[] = {
store_fan_beep, 0, 3),
};
-/* PWM attr for the f71862fg, fewer pwms and fewer zones per pwm than the
- standard models */
+/*
+ * PWM attr for the f71862fg, fewer pwms and fewer zones per pwm than the
+ * standard models
+ */
static struct sensor_device_attribute_2 f71862fg_auto_pwm_attr[3][7] = { {
SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
show_pwm_auto_point_channel,
@@ -673,9 +682,11 @@ static struct sensor_device_attribute_2 f71862fg_auto_pwm_attr[3][7] = { {
show_pwm_auto_point_temp_hyst, NULL, 3, 2),
} };
-/* PWM attr for the f71808e/f71869, almost identical to the f71862fg, but the
- pwm setting when the temperature is above the pwmX_auto_point1_temp can be
- programmed instead of being hardcoded to 0xff */
+/*
+ * PWM attr for the f71808e/f71869, almost identical to the f71862fg, but the
+ * pwm setting when the temperature is above the pwmX_auto_point1_temp can be
+ * programmed instead of being hardcoded to 0xff
+ */
static struct sensor_device_attribute_2 f71869_auto_pwm_attr[3][8] = { {
SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
show_pwm_auto_point_channel,
@@ -925,9 +936,11 @@ static struct sensor_device_attribute_2 f8000_fan_attr[] = {
SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
};
-/* PWM attr for the f8000, zones mapped to temp instead of to pwm!
- Also the register block at offset A0 maps to TEMP1 (so our temp2, as the
- F8000 starts counting temps at 0), B0 maps the TEMP2 and C0 maps to TEMP0 */
+/*
+ * PWM attr for the f8000, zones mapped to temp instead of to pwm!
+ * Also the register block at offset A0 maps to TEMP1 (so our temp2, as the
+ * F8000 starts counting temps at 0), B0 maps the TEMP2 and C0 maps to TEMP0
+ */
static struct sensor_device_attribute_2 f8000_auto_pwm_attr[3][14] = { {
SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
show_pwm_auto_point_channel,
@@ -2295,8 +2308,10 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
data->temp_config =
f71882fg_read8(data, F71882FG_REG_TEMP_CONFIG);
if (data->temp_config & 0x10)
- /* The f71858fg temperature alarms behave as
- the f8000 alarms in this mode */
+ /*
+ * The f71858fg temperature alarms behave as
+ * the f8000 alarms in this mode
+ */
err = f71882fg_create_sysfs_files(pdev,
f8000_temp_attr,
ARRAY_SIZE(f8000_temp_attr));
diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c
index 6aa5a9fad87..729499e7521 100644
--- a/drivers/hwmon/f75375s.c
+++ b/drivers/hwmon/f75375s.c
@@ -917,19 +917,8 @@ static int f75375_detect(struct i2c_client *client,
return 0;
}
-static int __init sensors_f75375_init(void)
-{
- return i2c_add_driver(&f75375_driver);
-}
-
-static void __exit sensors_f75375_exit(void)
-{
- i2c_del_driver(&f75375_driver);
-}
+module_i2c_driver(f75375_driver);
MODULE_AUTHOR("Riku Voipio");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("F75373/F75375/F75387 hardware monitoring driver");
-
-module_init(sensors_f75375_init);
-module_exit(sensors_f75375_exit);
diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c
index aa6d8b686f8..8305d29459b 100644
--- a/drivers/hwmon/fschmd.c
+++ b/drivers/hwmon/fschmd.c
@@ -1,4 +1,5 @@
-/* fschmd.c
+/*
+ * fschmd.c
*
* Copyright (C) 2007 - 2009 Hans de Goede <hdegoede@redhat.com>
*
@@ -76,12 +77,12 @@ enum chips { fscpos, fscher, fscscy, fschrc, fschmd, fschds, fscsyl };
#define FSCHMD_CONTROL_ALERT_LED 0x01
/* watchdog */
-static const u8 FSCHMD_REG_WDOG_CONTROL[7] =
- { 0x21, 0x21, 0x21, 0x21, 0x21, 0x28, 0x28 };
-static const u8 FSCHMD_REG_WDOG_STATE[7] =
- { 0x23, 0x23, 0x23, 0x23, 0x23, 0x29, 0x29 };
-static const u8 FSCHMD_REG_WDOG_PRESET[7] =
- { 0x28, 0x28, 0x28, 0x28, 0x28, 0x2a, 0x2a };
+static const u8 FSCHMD_REG_WDOG_CONTROL[7] = {
+ 0x21, 0x21, 0x21, 0x21, 0x21, 0x28, 0x28 };
+static const u8 FSCHMD_REG_WDOG_STATE[7] = {
+ 0x23, 0x23, 0x23, 0x23, 0x23, 0x29, 0x29 };
+static const u8 FSCHMD_REG_WDOG_PRESET[7] = {
+ 0x28, 0x28, 0x28, 0x28, 0x28, 0x2a, 0x2a };
#define FSCHMD_WDOG_CONTROL_TRIGGER 0x10
#define FSCHMD_WDOG_CONTROL_STARTED 0x10 /* the same as trigger */
@@ -103,10 +104,12 @@ static const u8 FSCHMD_REG_VOLT[7][6] = {
static const int FSCHMD_NO_VOLT_SENSORS[7] = { 3, 3, 3, 3, 3, 3, 6 };
-/* minimum pwm at which the fan is driven (pwm can by increased depending on
- the temp. Notice that for the scy some fans share there minimum speed.
- Also notice that with the scy the sensor order is different than with the
- other chips, this order was in the 2.4 driver and kept for consistency. */
+/*
+ * minimum pwm at which the fan is driven (pwm can by increased depending on
+ * the temp. Notice that for the scy some fans share there minimum speed.
+ * Also notice that with the scy the sensor order is different than with the
+ * other chips, this order was in the 2.4 driver and kept for consistency.
+ */
static const u8 FSCHMD_REG_FAN_MIN[7][7] = {
{ 0x55, 0x65 }, /* pos */
{ 0x55, 0x65, 0xb5 }, /* her */
@@ -182,11 +185,13 @@ static const u8 FSCHMD_REG_TEMP_STATE[7][11] = {
0xb9, 0xc9, 0xd9, 0xe9, 0xf9 },
};
-/* temperature high limit registers, FSC does not document these. Proven to be
- there with field testing on the fscher and fschrc, already supported / used
- in the fscscy 2.4 driver. FSC has confirmed that the fschmd has registers
- at these addresses, but doesn't want to confirm they are the same as with
- the fscher?? */
+/*
+ * temperature high limit registers, FSC does not document these. Proven to be
+ * there with field testing on the fscher and fschrc, already supported / used
+ * in the fscscy 2.4 driver. FSC has confirmed that the fschmd has registers
+ * at these addresses, but doesn't want to confirm they are the same as with
+ * the fscher??
+ */
static const u8 FSCHMD_REG_TEMP_LIMIT[7][11] = {
{ 0, 0, 0 }, /* pos */
{ 0x76, 0x86, 0x96 }, /* her */
@@ -198,13 +203,15 @@ static const u8 FSCHMD_REG_TEMP_LIMIT[7][11] = {
0xba, 0xca, 0xda, 0xea, 0xfa },
};
-/* These were found through experimenting with an fscher, currently they are
- not used, but we keep them around for future reference.
- On the fscsyl AUTOP1 lives at 0x#c (so 0x5c for fan1, 0x6c for fan2, etc),
- AUTOP2 lives at 0x#e, and 0x#1 is a bitmask defining which temps influence
- the fan speed.
-static const u8 FSCHER_REG_TEMP_AUTOP1[] = { 0x73, 0x83, 0x93 };
-static const u8 FSCHER_REG_TEMP_AUTOP2[] = { 0x75, 0x85, 0x95 }; */
+/*
+ * These were found through experimenting with an fscher, currently they are
+ * not used, but we keep them around for future reference.
+ * On the fscsyl AUTOP1 lives at 0x#c (so 0x5c for fan1, 0x6c for fan2, etc),
+ * AUTOP2 lives at 0x#e, and 0x#1 is a bitmask defining which temps influence
+ * the fan speed.
+ * static const u8 FSCHER_REG_TEMP_AUTOP1[] = { 0x73, 0x83, 0x93 };
+ * static const u8 FSCHER_REG_TEMP_AUTOP2[] = { 0x75, 0x85, 0x95 };
+ */
static const int FSCHMD_NO_TEMP_SENSORS[7] = { 3, 3, 4, 3, 5, 5, 11 };
@@ -290,24 +297,30 @@ struct fschmd_data {
u8 fan_ripple[7]; /* divider for rps */
};
-/* Global variables to hold information read from special DMI tables, which are
- available on FSC machines with an fscher or later chip. There is no need to
- protect these with a lock as they are only modified from our attach function
- which always gets called with the i2c-core lock held and never accessed
- before the attach function is done with them. */
+/*
+ * Global variables to hold information read from special DMI tables, which are
+ * available on FSC machines with an fscher or later chip. There is no need to
+ * protect these with a lock as they are only modified from our attach function
+ * which always gets called with the i2c-core lock held and never accessed
+ * before the attach function is done with them.
+ */
static int dmi_mult[6] = { 490, 200, 100, 100, 200, 100 };
static int dmi_offset[6] = { 0, 0, 0, 0, 0, 0 };
static int dmi_vref = -1;
-/* Somewhat ugly :( global data pointer list with all fschmd devices, so that
- we can find our device data as when using misc_register there is no other
- method to get to ones device data from the open fop. */
+/*
+ * Somewhat ugly :( global data pointer list with all fschmd devices, so that
+ * we can find our device data as when using misc_register there is no other
+ * method to get to ones device data from the open fop.
+ */
static LIST_HEAD(watchdog_data_list);
/* Note this lock not only protect list access, but also data.kref access */
static DEFINE_MUTEX(watchdog_data_mutex);
-/* Release our data struct when we're detached from the i2c client *and* all
- references to our watchdog device are released */
+/*
+ * Release our data struct when we're detached from the i2c client *and* all
+ * references to our watchdog device are released
+ */
static void fschmd_release_resources(struct kref *ref)
{
struct fschmd_data *data = container_of(ref, struct fschmd_data, kref);
@@ -359,9 +372,14 @@ static ssize_t store_temp_max(struct device *dev, struct device_attribute
{
int index = to_sensor_dev_attr(devattr)->index;
struct fschmd_data *data = dev_get_drvdata(dev);
- long v = simple_strtol(buf, NULL, 10) / 1000;
+ long v;
+ int err;
- v = SENSORS_LIMIT(v, -128, 127) + 128;
+ err = kstrtol(buf, 10, &v);
+ if (err)
+ return err;
+
+ v = SENSORS_LIMIT(v / 1000, -128, 127) + 128;
mutex_lock(&data->update_lock);
i2c_smbus_write_byte_data(to_i2c_client(dev),
@@ -427,12 +445,23 @@ static ssize_t store_fan_div(struct device *dev, struct device_attribute
int index = to_sensor_dev_attr(devattr)->index;
struct fschmd_data *data = dev_get_drvdata(dev);
/* supported values: 2, 4, 8 */
- unsigned long v = simple_strtoul(buf, NULL, 10);
+ unsigned long v;
+ int err;
+
+ err = kstrtoul(buf, 10, &v);
+ if (err)
+ return err;
switch (v) {
- case 2: v = 1; break;
- case 4: v = 2; break;
- case 8: v = 3; break;
+ case 2:
+ v = 1;
+ break;
+ case 4:
+ v = 2;
+ break;
+ case 8:
+ v = 3;
+ break;
default:
dev_err(dev, "fan_div value %lu not supported. "
"Choose one of 2, 4 or 8!\n", v);
@@ -502,7 +531,12 @@ static ssize_t store_pwm_auto_point1_pwm(struct device *dev,
{
int index = to_sensor_dev_attr(devattr)->index;
struct fschmd_data *data = dev_get_drvdata(dev);
- unsigned long v = simple_strtoul(buf, NULL, 10);
+ unsigned long v;
+ int err;
+
+ err = kstrtoul(buf, 10, &v);
+ if (err)
+ return err;
/* reg: 0 = allow turning off (except on the syl), 1-255 = 50-100% */
if (v || data->kind == fscsyl) {
@@ -522,8 +556,10 @@ static ssize_t store_pwm_auto_point1_pwm(struct device *dev,
}
-/* The FSC hwmon family has the ability to force an attached alert led to flash
- from software, we export this as an alert_led sysfs attr */
+/*
+ * The FSC hwmon family has the ability to force an attached alert led to flash
+ * from software, we export this as an alert_led sysfs attr
+ */
static ssize_t show_alert_led(struct device *dev,
struct device_attribute *devattr, char *buf)
{
@@ -540,7 +576,12 @@ static ssize_t store_alert_led(struct device *dev,
{
u8 reg;
struct fschmd_data *data = dev_get_drvdata(dev);
- unsigned long v = simple_strtoul(buf, NULL, 10);
+ unsigned long v;
+ int err;
+
+ err = kstrtoul(buf, 10, &v);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -754,8 +795,10 @@ static int watchdog_stop(struct fschmd_data *data)
}
data->watchdog_control &= ~FSCHMD_WDOG_CONTROL_STARTED;
- /* Don't store the stop flag in our watchdog control register copy, as
- its a write only bit (read always returns 0) */
+ /*
+ * Don't store the stop flag in our watchdog control register copy, as
+ * its a write only bit (read always returns 0)
+ */
i2c_smbus_write_byte_data(data->client,
FSCHMD_REG_WDOG_CONTROL[data->kind],
data->watchdog_control | FSCHMD_WDOG_CONTROL_STOP);
@@ -769,10 +812,12 @@ static int watchdog_open(struct inode *inode, struct file *filp)
struct fschmd_data *pos, *data = NULL;
int watchdog_is_open;
- /* We get called from drivers/char/misc.c with misc_mtx hold, and we
- call misc_register() from fschmd_probe() with watchdog_data_mutex
- hold, as misc_register() takes the misc_mtx lock, this is a possible
- deadlock, so we use mutex_trylock here. */
+ /*
+ * We get called from drivers/char/misc.c with misc_mtx hold, and we
+ * call misc_register() from fschmd_probe() with watchdog_data_mutex
+ * hold, as misc_register() takes the misc_mtx lock, this is a possible
+ * deadlock, so we use mutex_trylock here.
+ */
if (!mutex_trylock(&watchdog_data_mutex))
return -ERESTARTSYS;
list_for_each_entry(pos, &watchdog_data_list, list) {
@@ -847,7 +892,8 @@ static ssize_t watchdog_write(struct file *filp, const char __user *buf,
return count;
}
-static long watchdog_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+static long watchdog_ioctl(struct file *filp, unsigned int cmd,
+ unsigned long arg)
{
struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT |
@@ -930,30 +976,38 @@ static const struct file_operations watchdog_fops = {
* Detect, register, unregister and update device functions
*/
-/* DMI decode routine to read voltage scaling factors from special DMI tables,
- which are available on FSC machines with an fscher or later chip. */
+/*
+ * DMI decode routine to read voltage scaling factors from special DMI tables,
+ * which are available on FSC machines with an fscher or later chip.
+ */
static void fschmd_dmi_decode(const struct dmi_header *header, void *dummy)
{
int i, mult[3] = { 0 }, offset[3] = { 0 }, vref = 0, found = 0;
- /* dmi code ugliness, we get passed the address of the contents of
- a complete DMI record, but in the form of a dmi_header pointer, in
- reality this address holds header->length bytes of which the header
- are the first 4 bytes */
+ /*
+ * dmi code ugliness, we get passed the address of the contents of
+ * a complete DMI record, but in the form of a dmi_header pointer, in
+ * reality this address holds header->length bytes of which the header
+ * are the first 4 bytes
+ */
u8 *dmi_data = (u8 *)header;
/* We are looking for OEM-specific type 185 */
if (header->type != 185)
return;
- /* we are looking for what Siemens calls "subtype" 19, the subtype
- is stored in byte 5 of the dmi block */
+ /*
+ * we are looking for what Siemens calls "subtype" 19, the subtype
+ * is stored in byte 5 of the dmi block
+ */
if (header->length < 5 || dmi_data[4] != 19)
return;
- /* After the subtype comes 1 unknown byte and then blocks of 5 bytes,
- consisting of what Siemens calls an "Entity" number, followed by
- 2 16-bit words in LSB first order */
+ /*
+ * After the subtype comes 1 unknown byte and then blocks of 5 bytes,
+ * consisting of what Siemens calls an "Entity" number, followed by
+ * 2 16-bit words in LSB first order
+ */
for (i = 6; (i + 4) < header->length; i += 5) {
/* entity 1 - 3: voltage multiplier and offset */
if (dmi_data[i] >= 1 && dmi_data[i] <= 3) {
@@ -988,9 +1042,11 @@ static void fschmd_dmi_decode(const struct dmi_header *header, void *dummy)
dmi_mult[i] = mult[i] * 10;
dmi_offset[i] = offset[i] * 10;
}
- /* According to the docs there should be separate dmi entries
- for the mult's and offsets of in3-5 of the syl, but on
- my test machine these are not present */
+ /*
+ * According to the docs there should be separate dmi entries
+ * for the mult's and offsets of in3-5 of the syl, but on
+ * my test machine these are not present
+ */
dmi_mult[3] = dmi_mult[2];
dmi_mult[4] = dmi_mult[1];
dmi_mult[5] = dmi_mult[2];
@@ -1058,15 +1114,19 @@ static int fschmd_probe(struct i2c_client *client,
mutex_init(&data->watchdog_lock);
INIT_LIST_HEAD(&data->list);
kref_init(&data->kref);
- /* Store client pointer in our data struct for watchdog usage
- (where the client is found through a data ptr instead of the
- otherway around) */
+ /*
+ * Store client pointer in our data struct for watchdog usage
+ * (where the client is found through a data ptr instead of the
+ * otherway around)
+ */
data->client = client;
data->kind = kind;
if (kind == fscpos) {
- /* The Poseidon has hardwired temp limits, fill these
- in for the alarm resetting code */
+ /*
+ * The Poseidon has hardwired temp limits, fill these
+ * in for the alarm resetting code
+ */
data->temp_max[0] = 70 + 128;
data->temp_max[1] = 50 + 128;
data->temp_max[2] = 50 + 128;
@@ -1157,9 +1217,11 @@ static int fschmd_probe(struct i2c_client *client,
goto exit_detach;
}
- /* We take the data_mutex lock early so that watchdog_open() cannot
- run when misc_register() has completed, but we've not yet added
- our data to the watchdog_data_list (and set the default timeout) */
+ /*
+ * We take the data_mutex lock early so that watchdog_open() cannot
+ * run when misc_register() has completed, but we've not yet added
+ * our data to the watchdog_data_list (and set the default timeout)
+ */
mutex_lock(&watchdog_data_mutex);
for (i = 0; i < ARRAY_SIZE(watchdog_minors); i++) {
/* Register our watchdog part */
@@ -1225,8 +1287,10 @@ static int fschmd_remove(struct i2c_client *client)
mutex_unlock(&data->watchdog_lock);
}
- /* Check if registered in case we're called from fschmd_detect
- to cleanup after an error */
+ /*
+ * Check if registered in case we're called from fschmd_detect
+ * to cleanup after an error
+ */
if (data->hwmon_dev)
hwmon_device_unregister(data->hwmon_dev);
@@ -1269,8 +1333,10 @@ static struct fschmd_data *fschmd_update_device(struct device *dev)
client,
FSCHMD_REG_TEMP_LIMIT[data->kind][i]);
- /* reset alarm if the alarm condition is gone,
- the chip doesn't do this itself */
+ /*
+ * reset alarm if the alarm condition is gone,
+ * the chip doesn't do this itself
+ */
if ((data->temp_status[i] & FSCHMD_TEMP_ALARM_MASK) ==
FSCHMD_TEMP_ALARM_MASK &&
data->temp_act[i] < data->temp_max[i])
@@ -1314,20 +1380,9 @@ static struct fschmd_data *fschmd_update_device(struct device *dev)
return data;
}
-static int __init fschmd_init(void)
-{
- return i2c_add_driver(&fschmd_driver);
-}
-
-static void __exit fschmd_exit(void)
-{
- i2c_del_driver(&fschmd_driver);
-}
+module_i2c_driver(fschmd_driver);
MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
MODULE_DESCRIPTION("FSC Poseidon, Hermes, Scylla, Heracles, Heimdall, Hades "
"and Syleus driver");
MODULE_LICENSE("GPL");
-
-module_init(fschmd_init);
-module_exit(fschmd_exit);
diff --git a/drivers/hwmon/g760a.c b/drivers/hwmon/g760a.c
index 781277ddbaa..ebcd2698e4d 100644
--- a/drivers/hwmon/g760a.c
+++ b/drivers/hwmon/g760a.c
@@ -1,17 +1,17 @@
/*
- g760a - Driver for the Global Mixed-mode Technology Inc. G760A
- fan speed PWM controller chip
-
- Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
-
- Complete datasheet is available at GMT's website:
- http://www.gmt.com.tw/product/datasheet/EDS-760A.pdf
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-*/
+ * g760a - Driver for the Global Mixed-mode Technology Inc. G760A
+ * fan speed PWM controller chip
+ *
+ * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
+ *
+ * Complete datasheet is available at GMT's website:
+ * http://www.gmt.com.tw/product/datasheet/EDS-760A.pdf
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -59,7 +59,8 @@ struct g760a_data {
u8 act_cnt; /* formula: cnt = (CLK * 30)/(rpm * P) */
u8 fan_sta; /* bit 0: set when actual fan speed more than 20%
* outside requested fan speed
- * bit 1: set when fan speed below 1920 rpm */
+ * bit 1: set when fan speed below 1920 rpm
+ */
};
#define G760A_DEFAULT_CLK 32768
@@ -99,7 +100,7 @@ static int g760a_write_value(struct i2c_client *client, enum g760a_regs reg,
return i2c_smbus_write_byte_data(client, reg, value);
}
-/****************************************************************************
+/*
* sysfs attributes
*/
@@ -192,7 +193,7 @@ static const struct attribute_group g760a_group = {
.attrs = g760a_attributes,
};
-/****************************************************************************
+/*
* new-style driver model code
*/
@@ -250,21 +251,8 @@ static int g760a_remove(struct i2c_client *client)
return 0;
}
-/* module management */
-
-static int __init g760a_init(void)
-{
- return i2c_add_driver(&g760a_driver);
-}
-
-static void __exit g760a_exit(void)
-{
- i2c_del_driver(&g760a_driver);
-}
+module_i2c_driver(g760a_driver);
MODULE_AUTHOR("Herbert Valerio Riedel <hvr@gnu.org>");
MODULE_DESCRIPTION("GMT G760A driver");
MODULE_LICENSE("GPL");
-
-module_init(g760a_init);
-module_exit(g760a_exit);
diff --git a/drivers/hwmon/gl518sm.c b/drivers/hwmon/gl518sm.c
index a13e2da97e3..764a083ac7a 100644
--- a/drivers/hwmon/gl518sm.c
+++ b/drivers/hwmon/gl518sm.c
@@ -83,11 +83,12 @@ enum chips { gl518sm_r00, gl518sm_r80 };
#define RAW_FROM_REG(val) val
-#define BOOL_FROM_REG(val) ((val)?0:1)
-#define BOOL_TO_REG(val) ((val)?0:1)
+#define BOOL_FROM_REG(val) ((val) ? 0 : 1)
+#define BOOL_TO_REG(val) ((val) ? 0 : 1)
-#define TEMP_TO_REG(val) (SENSORS_LIMIT(((((val)<0? \
- (val)-500:(val)+500)/1000)+119),0,255))
+#define TEMP_TO_REG(val) SENSORS_LIMIT(((((val) < 0 ? \
+ (val) - 500 : \
+ (val) + 500) / 1000) + 119), 0, 255)
#define TEMP_FROM_REG(val) (((val) - 119) * 1000)
static inline u8 FAN_TO_REG(long rpm, int div)
@@ -98,13 +99,13 @@ static inline u8 FAN_TO_REG(long rpm, int div)
rpmdiv = SENSORS_LIMIT(rpm, 1, 960000) * div;
return SENSORS_LIMIT((480000 + rpmdiv / 2) / rpmdiv, 1, 255);
}
-#define FAN_FROM_REG(val,div) ((val)==0 ? 0 : (480000/((val)*(div))))
+#define FAN_FROM_REG(val, div) ((val) == 0 ? 0 : (480000 / ((val) * (div))))
-#define IN_TO_REG(val) (SENSORS_LIMIT((((val)+9)/19),0,255))
-#define IN_FROM_REG(val) ((val)*19)
+#define IN_TO_REG(val) SENSORS_LIMIT((((val) + 9) / 19), 0, 255)
+#define IN_FROM_REG(val) ((val) * 19)
-#define VDD_TO_REG(val) (SENSORS_LIMIT((((val)*4+47)/95),0,255))
-#define VDD_FROM_REG(val) (((val)*95+2)/4)
+#define VDD_TO_REG(val) SENSORS_LIMIT((((val) * 4 + 47) / 95), 0, 255)
+#define VDD_FROM_REG(val) (((val) * 95 + 2) / 4)
#define DIV_FROM_REG(val) (1 << (val))
@@ -169,7 +170,8 @@ static struct i2c_driver gl518_driver = {
*/
#define show(type, suffix, value) \
-static ssize_t show_##suffix(struct device *dev, struct device_attribute *attr, char *buf) \
+static ssize_t show_##suffix(struct device *dev, \
+ struct device_attribute *attr, char *buf) \
{ \
struct gl518_data *data = gl518_update_device(dev); \
return sprintf(buf, "%d\n", type##_FROM_REG(data->value)); \
@@ -222,12 +224,16 @@ static ssize_t show_fan_div(struct device *dev,
}
#define set(type, suffix, value, reg) \
-static ssize_t set_##suffix(struct device *dev, struct device_attribute *attr, const char *buf, \
- size_t count) \
+static ssize_t set_##suffix(struct device *dev, \
+ struct device_attribute *attr, \
+ const char *buf, size_t count) \
{ \
struct i2c_client *client = to_i2c_client(dev); \
struct gl518_data *data = i2c_get_clientdata(client); \
- long val = simple_strtol(buf, NULL, 10); \
+ long val; \
+ int err = kstrtol(buf, 10, &val); \
+ if (err) \
+ return err; \
\
mutex_lock(&data->update_lock); \
data->value = type##_TO_REG(val); \
@@ -237,13 +243,17 @@ static ssize_t set_##suffix(struct device *dev, struct device_attribute *attr, c
}
#define set_bits(type, suffix, value, reg, mask, shift) \
-static ssize_t set_##suffix(struct device *dev, struct device_attribute *attr, const char *buf, \
- size_t count) \
+static ssize_t set_##suffix(struct device *dev, \
+ struct device_attribute *attr, \
+ const char *buf, size_t count) \
{ \
struct i2c_client *client = to_i2c_client(dev); \
struct gl518_data *data = i2c_get_clientdata(client); \
int regvalue; \
- unsigned long val = simple_strtoul(buf, NULL, 10); \
+ unsigned long val; \
+ int err = kstrtoul(buf, 10, &val); \
+ if (err) \
+ return err; \
\
mutex_lock(&data->update_lock); \
regvalue = gl518_read_value(client, reg); \
@@ -280,7 +290,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
struct gl518_data *data = i2c_get_clientdata(client);
int nr = to_sensor_dev_attr(attr)->index;
int regvalue;
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
regvalue = gl518_read_value(client, GL518_REG_FAN_LIMIT);
@@ -308,13 +323,26 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
struct gl518_data *data = i2c_get_clientdata(client);
int nr = to_sensor_dev_attr(attr)->index;
int regvalue;
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
switch (val) {
- case 1: val = 0; break;
- case 2: val = 1; break;
- case 4: val = 2; break;
- case 8: val = 3; break;
+ case 1:
+ val = 0;
+ break;
+ case 2:
+ val = 1;
+ break;
+ case 4:
+ val = 2;
+ break;
+ case 8:
+ val = 3;
+ break;
default:
dev_err(dev, "Invalid fan clock divider %lu, choose one "
"of 1, 2, 4 or 8\n", val);
@@ -395,8 +423,12 @@ static ssize_t set_beep(struct device *dev, struct device_attribute *attr,
struct gl518_data *data = i2c_get_clientdata(client);
int bitnr = to_sensor_dev_attr(attr)->index;
unsigned long bit;
+ int err;
+
+ err = kstrtoul(buf, 10, &bit);
+ if (err)
+ return err;
- bit = simple_strtoul(buf, NULL, 10);
if (bit & ~1)
return -EINVAL;
@@ -528,12 +560,14 @@ static int gl518_probe(struct i2c_client *client,
gl518_init_client(client);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&client->dev.kobj, &gl518_group)))
+ err = sysfs_create_group(&client->dev.kobj, &gl518_group);
+ if (err)
goto exit_free;
- if (data->type == gl518sm_r80)
- if ((err = sysfs_create_group(&client->dev.kobj,
- &gl518_group_r80)))
+ if (data->type == gl518sm_r80) {
+ err = sysfs_create_group(&client->dev.kobj, &gl518_group_r80);
+ if (err)
goto exit_remove_files;
+ }
data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
@@ -554,8 +588,10 @@ exit:
}
-/* Called when we have found a new GL518SM.
- Note that we preserve D4:NoFan2 and D2:beep_enable. */
+/*
+ * Called when we have found a new GL518SM.
+ * Note that we preserve D4:NoFan2 and D2:beep_enable.
+ */
static void gl518_init_client(struct i2c_client *client)
{
/* Make sure we leave D7:Reset untouched */
@@ -585,9 +621,11 @@ static int gl518_remove(struct i2c_client *client)
return 0;
}
-/* Registers 0x07 to 0x0c are word-sized, others are byte-sized
- GL518 uses a high-byte first convention, which is exactly opposite to
- the SMBus standard. */
+/*
+ * Registers 0x07 to 0x0c are word-sized, others are byte-sized
+ * GL518 uses a high-byte first convention, which is exactly opposite to
+ * the SMBus standard.
+ */
static int gl518_read_value(struct i2c_client *client, u8 reg)
{
if ((reg >= 0x07) && (reg <= 0x0c))
@@ -676,21 +714,10 @@ static struct gl518_data *gl518_update_device(struct device *dev)
return data;
}
-static int __init sensors_gl518sm_init(void)
-{
- return i2c_add_driver(&gl518_driver);
-}
-
-static void __exit sensors_gl518sm_exit(void)
-{
- i2c_del_driver(&gl518_driver);
-}
+module_i2c_driver(gl518_driver);
MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
"Kyosti Malkki <kmalkki@cc.hut.fi> and "
"Hong-Gunn Chew <hglinux@gunnet.org>");
MODULE_DESCRIPTION("GL518SM driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_gl518sm_init);
-module_exit(sensors_gl518sm_exit);
diff --git a/drivers/hwmon/gl520sm.c b/drivers/hwmon/gl520sm.c
index cd6085bbfba..5ff452b6a4d 100644
--- a/drivers/hwmon/gl520sm.c
+++ b/drivers/hwmon/gl520sm.c
@@ -1,25 +1,25 @@
/*
- gl520sm.c - Part of lm_sensors, Linux kernel modules for hardware
- monitoring
- Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>,
- Kyösti Mälkki <kmalkki@cc.hut.fi>
- Copyright (c) 2005 Maarten Deprez <maartendeprez@users.sourceforge.net>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
+ * gl520sm.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ * Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>,
+ * Kyösti Mälkki <kmalkki@cc.hut.fi>
+ * Copyright (c) 2005 Maarten Deprez <maartendeprez@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -41,10 +41,11 @@ MODULE_PARM_DESC(extra_sensor_type, "Type of extra sensor (0=autodetect, 1=tempe
/* Addresses to scan */
static const unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END };
-/* Many GL520 constants specified below
-One of the inputs can be configured as either temp or voltage.
-That's why _TEMP2 and _IN4 access the same register
-*/
+/*
+ * Many GL520 constants specified below
+ * One of the inputs can be configured as either temp or voltage.
+ * That's why _TEMP2 and _IN4 access the same register
+ */
/* The GL520 registers */
#define GL520_REG_CHIP_ID 0x00
@@ -142,11 +143,11 @@ static ssize_t get_cpu_vid(struct device *dev, struct device_attribute *attr,
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, get_cpu_vid, NULL);
-#define VDD_FROM_REG(val) (((val)*95+2)/4)
-#define VDD_TO_REG(val) (SENSORS_LIMIT((((val)*4+47)/95),0,255))
+#define VDD_FROM_REG(val) (((val) * 95 + 2) / 4)
+#define VDD_TO_REG(val) SENSORS_LIMIT((((val) * 4 + 47) / 95), 0, 255)
-#define IN_FROM_REG(val) ((val)*19)
-#define IN_TO_REG(val) (SENSORS_LIMIT((((val)+9)/19),0,255))
+#define IN_FROM_REG(val) ((val) * 19)
+#define IN_TO_REG(val) SENSORS_LIMIT((((val) + 9) / 19), 0, 255)
static ssize_t get_in_input(struct device *dev, struct device_attribute *attr,
char *buf)
@@ -193,8 +194,13 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
struct i2c_client *client = to_i2c_client(dev);
struct gl520_data *data = i2c_get_clientdata(client);
int n = to_sensor_dev_attr(attr)->index;
- long v = simple_strtol(buf, NULL, 10);
u8 r;
+ long v;
+ int err;
+
+ err = kstrtol(buf, 10, &v);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -222,8 +228,13 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
struct i2c_client *client = to_i2c_client(dev);
struct gl520_data *data = i2c_get_clientdata(client);
int n = to_sensor_dev_attr(attr)->index;
- long v = simple_strtol(buf, NULL, 10);
u8 r;
+ long v;
+ int err;
+
+ err = kstrtol(buf, 10, &v);
+ if (err)
+ return err;
if (n == 0)
r = VDD_TO_REG(v);
@@ -272,8 +283,10 @@ static SENSOR_DEVICE_ATTR(in4_max, S_IRUGO | S_IWUSR,
get_in_max, set_in_max, 4);
#define DIV_FROM_REG(val) (1 << (val))
-#define FAN_FROM_REG(val,div) ((val)==0 ? 0 : (480000/((val) << (div))))
-#define FAN_TO_REG(val,div) ((val)<=0?0:SENSORS_LIMIT((480000 + ((val) << ((div)-1))) / ((val) << (div)), 1, 255))
+#define FAN_FROM_REG(val, div) ((val) == 0 ? 0 : (480000 / ((val) << (div))))
+#define FAN_TO_REG(val, div) ((val) <= 0 ? 0 : \
+ SENSORS_LIMIT((480000 + ((val) << ((div)-1))) / ((val) << (div)), 1, \
+ 255))
static ssize_t get_fan_input(struct device *dev, struct device_attribute *attr,
char *buf)
@@ -317,8 +330,13 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
struct i2c_client *client = to_i2c_client(dev);
struct gl520_data *data = i2c_get_clientdata(client);
int n = to_sensor_dev_attr(attr)->index;
- unsigned long v = simple_strtoul(buf, NULL, 10);
u8 r;
+ unsigned long v;
+ int err;
+
+ err = kstrtoul(buf, 10, &v);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
r = FAN_TO_REG(v, data->fan_div[n]);
@@ -351,16 +369,30 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
struct i2c_client *client = to_i2c_client(dev);
struct gl520_data *data = i2c_get_clientdata(client);
int n = to_sensor_dev_attr(attr)->index;
- unsigned long v = simple_strtoul(buf, NULL, 10);
u8 r;
+ unsigned long v;
+ int err;
+
+ err = kstrtoul(buf, 10, &v);
+ if (err)
+ return err;
switch (v) {
- case 1: r = 0; break;
- case 2: r = 1; break;
- case 4: r = 2; break;
- case 8: r = 3; break;
+ case 1:
+ r = 0;
+ break;
+ case 2:
+ r = 1;
+ break;
+ case 4:
+ r = 2;
+ break;
+ case 8:
+ r = 3;
+ break;
default:
- dev_err(&client->dev, "fan_div value %ld not supported. Choose one of 1, 2, 4 or 8!\n", v);
+ dev_err(&client->dev,
+ "fan_div value %ld not supported. Choose one of 1, 2, 4 or 8!\n", v);
return -EINVAL;
}
@@ -385,7 +417,15 @@ static ssize_t set_fan_off(struct device *dev, struct device_attribute *attr,
{
struct i2c_client *client = to_i2c_client(dev);
struct gl520_data *data = i2c_get_clientdata(client);
- u8 r = simple_strtoul(buf, NULL, 10)?1:0;
+ u8 r;
+ unsigned long v;
+ int err;
+
+ err = kstrtoul(buf, 10, &v);
+ if (err)
+ return err;
+
+ r = (v ? 1 : 0);
mutex_lock(&data->update_lock);
data->fan_off = r;
@@ -410,7 +450,8 @@ static DEVICE_ATTR(fan1_off, S_IRUGO | S_IWUSR,
get_fan_off, set_fan_off);
#define TEMP_FROM_REG(val) (((val) - 130) * 1000)
-#define TEMP_TO_REG(val) (SENSORS_LIMIT(((((val)<0?(val)-500:(val)+500) / 1000)+130),0,255))
+#define TEMP_TO_REG(val) SENSORS_LIMIT(((((val) < 0 ? \
+ (val) - 500 : (val) + 500) / 1000) + 130), 0, 255)
static ssize_t get_temp_input(struct device *dev, struct device_attribute *attr,
char *buf)
@@ -430,8 +471,8 @@ static ssize_t get_temp_max(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[n]));
}
-static ssize_t get_temp_max_hyst(struct device *dev, struct device_attribute
- *attr, char *buf)
+static ssize_t get_temp_max_hyst(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
int n = to_sensor_dev_attr(attr)->index;
struct gl520_data *data = gl520_update_device(dev);
@@ -445,7 +486,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
struct i2c_client *client = to_i2c_client(dev);
struct gl520_data *data = i2c_get_clientdata(client);
int n = to_sensor_dev_attr(attr)->index;
- long v = simple_strtol(buf, NULL, 10);
+ long v;
+ int err;
+
+ err = kstrtol(buf, 10, &v);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_max[n] = TEMP_TO_REG(v);
@@ -460,7 +506,12 @@ static ssize_t set_temp_max_hyst(struct device *dev, struct device_attribute
struct i2c_client *client = to_i2c_client(dev);
struct gl520_data *data = i2c_get_clientdata(client);
int n = to_sensor_dev_attr(attr)->index;
- long v = simple_strtol(buf, NULL, 10);
+ long v;
+ int err;
+
+ err = kstrtol(buf, 10, &v);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_max_hyst[n] = TEMP_TO_REG(v);
@@ -507,7 +558,15 @@ static ssize_t set_beep_enable(struct device *dev, struct device_attribute
{
struct i2c_client *client = to_i2c_client(dev);
struct gl520_data *data = i2c_get_clientdata(client);
- u8 r = simple_strtoul(buf, NULL, 10)?0:1;
+ u8 r;
+ unsigned long v;
+ int err;
+
+ err = kstrtoul(buf, 10, &v);
+ if (err)
+ return err;
+
+ r = (v ? 0 : 1);
mutex_lock(&data->update_lock);
data->beep_enable = !r;
@@ -523,7 +582,12 @@ static ssize_t set_beep_mask(struct device *dev, struct device_attribute *attr,
{
struct i2c_client *client = to_i2c_client(dev);
struct gl520_data *data = i2c_get_clientdata(client);
- u8 r = simple_strtoul(buf, NULL, 10);
+ unsigned long r;
+ int err;
+
+ err = kstrtoul(buf, 10, &r);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
r &= data->alarm_mask;
@@ -575,7 +639,11 @@ static ssize_t set_beep(struct device *dev, struct device_attribute *attr,
int bitnr = to_sensor_dev_attr(attr)->index;
unsigned long bit;
- bit = simple_strtoul(buf, NULL, 10);
+ int err;
+
+ err = kstrtoul(buf, 10, &bit);
+ if (err)
+ return err;
if (bit & ~1)
return -EINVAL;
@@ -652,13 +720,16 @@ static const struct attribute_group gl520_group = {
.attrs = gl520_attributes,
};
-static struct attribute *gl520_attributes_opt[] = {
+static struct attribute *gl520_attributes_in4[] = {
&sensor_dev_attr_in4_input.dev_attr.attr,
&sensor_dev_attr_in4_min.dev_attr.attr,
&sensor_dev_attr_in4_max.dev_attr.attr,
&sensor_dev_attr_in4_alarm.dev_attr.attr,
&sensor_dev_attr_in4_beep.dev_attr.attr,
+ NULL
+};
+static struct attribute *gl520_attributes_temp2[] = {
&sensor_dev_attr_temp2_input.dev_attr.attr,
&sensor_dev_attr_temp2_max.dev_attr.attr,
&sensor_dev_attr_temp2_max_hyst.dev_attr.attr,
@@ -667,8 +738,12 @@ static struct attribute *gl520_attributes_opt[] = {
NULL
};
-static const struct attribute_group gl520_group_opt = {
- .attrs = gl520_attributes_opt,
+static const struct attribute_group gl520_group_in4 = {
+ .attrs = gl520_attributes_in4,
+};
+
+static const struct attribute_group gl520_group_temp2 = {
+ .attrs = gl520_attributes_temp2,
};
@@ -717,35 +792,17 @@ static int gl520_probe(struct i2c_client *client,
gl520_init_client(client);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&client->dev.kobj, &gl520_group)))
+ err = sysfs_create_group(&client->dev.kobj, &gl520_group);
+ if (err)
goto exit_free;
- if (data->two_temps) {
- if ((err = device_create_file(&client->dev,
- &sensor_dev_attr_temp2_input.dev_attr))
- || (err = device_create_file(&client->dev,
- &sensor_dev_attr_temp2_max.dev_attr))
- || (err = device_create_file(&client->dev,
- &sensor_dev_attr_temp2_max_hyst.dev_attr))
- || (err = device_create_file(&client->dev,
- &sensor_dev_attr_temp2_alarm.dev_attr))
- || (err = device_create_file(&client->dev,
- &sensor_dev_attr_temp2_beep.dev_attr)))
- goto exit_remove_files;
- } else {
- if ((err = device_create_file(&client->dev,
- &sensor_dev_attr_in4_input.dev_attr))
- || (err = device_create_file(&client->dev,
- &sensor_dev_attr_in4_min.dev_attr))
- || (err = device_create_file(&client->dev,
- &sensor_dev_attr_in4_max.dev_attr))
- || (err = device_create_file(&client->dev,
- &sensor_dev_attr_in4_alarm.dev_attr))
- || (err = device_create_file(&client->dev,
- &sensor_dev_attr_in4_beep.dev_attr)))
- goto exit_remove_files;
- }
+ if (data->two_temps)
+ err = sysfs_create_group(&client->dev.kobj, &gl520_group_temp2);
+ else
+ err = sysfs_create_group(&client->dev.kobj, &gl520_group_in4);
+ if (err)
+ goto exit_remove_files;
data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
@@ -757,7 +814,8 @@ static int gl520_probe(struct i2c_client *client,
exit_remove_files:
sysfs_remove_group(&client->dev.kobj, &gl520_group);
- sysfs_remove_group(&client->dev.kobj, &gl520_group_opt);
+ sysfs_remove_group(&client->dev.kobj, &gl520_group_in4);
+ sysfs_remove_group(&client->dev.kobj, &gl520_group_temp2);
exit_free:
kfree(data);
exit:
@@ -809,15 +867,18 @@ static int gl520_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &gl520_group);
- sysfs_remove_group(&client->dev.kobj, &gl520_group_opt);
+ sysfs_remove_group(&client->dev.kobj, &gl520_group_in4);
+ sysfs_remove_group(&client->dev.kobj, &gl520_group_temp2);
kfree(data);
return 0;
}
-/* Registers 0x07 to 0x0c are word-sized, others are byte-sized
- GL520 uses a high-byte first convention */
+/*
+ * Registers 0x07 to 0x0c are word-sized, others are byte-sized
+ * GL520 uses a high-byte first convention
+ */
static int gl520_read_value(struct i2c_client *client, u8 reg)
{
if ((reg >= 0x07) && (reg <= 0x0c))
@@ -849,7 +910,8 @@ static struct gl520_data *gl520_update_device(struct device *dev)
data->alarms = gl520_read_value(client, GL520_REG_ALARMS);
data->beep_mask = gl520_read_value(client, GL520_REG_BEEP_MASK);
- data->vid = gl520_read_value(client, GL520_REG_VID_INPUT) & 0x1f;
+ data->vid = gl520_read_value(client,
+ GL520_REG_VID_INPUT) & 0x1f;
for (i = 0; i < 4; i++) {
data->in_input[i] = gl520_read_value(client,
@@ -910,23 +972,10 @@ static struct gl520_data *gl520_update_device(struct device *dev)
return data;
}
-
-static int __init sensors_gl520sm_init(void)
-{
- return i2c_add_driver(&gl520_driver);
-}
-
-static void __exit sensors_gl520sm_exit(void)
-{
- i2c_del_driver(&gl520_driver);
-}
-
+module_i2c_driver(gl520_driver);
MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
"Kyösti Mälkki <kmalkki@cc.hut.fi>, "
"Maarten Deprez <maartendeprez@users.sourceforge.net>");
MODULE_DESCRIPTION("GL520SM driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_gl520sm_init);
-module_exit(sensors_gl520sm_exit);
diff --git a/drivers/hwmon/hwmon-vid.c b/drivers/hwmon/hwmon-vid.c
index 932da8a5aaf..9f26400713f 100644
--- a/drivers/hwmon/hwmon-vid.c
+++ b/drivers/hwmon/hwmon-vid.c
@@ -40,7 +40,7 @@
* available at http://developer.intel.com/.
*
* AMD Athlon 64 and AMD Opteron Processors, AMD Publication 26094,
- * http://support.amd.com/us/Processor_TechDocs/26094.PDF
+ * http://support.amd.com/us/Processor_TechDocs/26094.PDF
* Table 74. VID Code Voltages
* This corresponds to an arbitrary VRM code of 24 in the functions below.
* These CPU models (K8 revision <= E) have 5 VID pins. See also:
@@ -83,27 +83,27 @@ int vid_from_reg(int val, u8 vrm)
{
int vid;
- switch(vrm) {
+ switch (vrm) {
- case 100: /* VRD 10.0 */
+ case 100: /* VRD 10.0 */
/* compute in uV, round to mV */
val &= 0x3f;
- if((val & 0x1f) == 0x1f)
+ if ((val & 0x1f) == 0x1f)
return 0;
- if((val & 0x1f) <= 0x09 || val == 0x0a)
+ if ((val & 0x1f) <= 0x09 || val == 0x0a)
vid = 1087500 - (val & 0x1f) * 25000;
else
vid = 1862500 - (val & 0x1f) * 25000;
- if(val & 0x20)
+ if (val & 0x20)
vid -= 12500;
- return((vid + 500) / 1000);
+ return (vid + 500) / 1000;
case 110: /* Intel Conroe */
/* compute in uV, round to mV */
val &= 0xff;
if (val < 0x02 || val > 0xb2)
return 0;
- return((1600000 - (val - 2) * 6250 + 500) / 1000);
+ return (1600000 - (val - 2) * 6250 + 500) / 1000;
case 24: /* Athlon64 & Opteron */
val &= 0x1f;
@@ -118,38 +118,38 @@ int vid_from_reg(int val, u8 vrm)
case 91: /* VRM 9.1 */
case 90: /* VRM 9.0 */
val &= 0x1f;
- return(val == 0x1f ? 0 :
- 1850 - val * 25);
+ return val == 0x1f ? 0 :
+ 1850 - val * 25;
case 85: /* VRM 8.5 */
val &= 0x1f;
- return((val & 0x10 ? 25 : 0) +
+ return (val & 0x10 ? 25 : 0) +
((val & 0x0f) > 0x04 ? 2050 : 1250) -
- ((val & 0x0f) * 50));
+ ((val & 0x0f) * 50);
case 84: /* VRM 8.4 */
val &= 0x0f;
/* fall through */
case 82: /* VRM 8.2 */
val &= 0x1f;
- return(val == 0x1f ? 0 :
+ return val == 0x1f ? 0 :
val & 0x10 ? 5100 - (val) * 100 :
- 2050 - (val) * 50);
+ 2050 - (val) * 50;
case 17: /* Intel IMVP-II */
val &= 0x1f;
- return(val & 0x10 ? 975 - (val & 0xF) * 25 :
- 1750 - val * 50);
+ return val & 0x10 ? 975 - (val & 0xF) * 25 :
+ 1750 - val * 50;
case 13:
case 131:
val &= 0x3f;
/* Exception for Eden ULV 500 MHz */
if (vrm == 131 && val == 0x3f)
val++;
- return(1708 - val * 16);
+ return 1708 - val * 16;
case 14: /* Intel Core */
/* compute in uV, round to mV */
val &= 0x7f;
- return(val > 0x77 ? 0 : (1500000 - (val * 12500) + 500) / 1000);
+ return val > 0x77 ? 0 : (1500000 - (val * 12500) + 500) / 1000;
default: /* report 0 for unknown */
if (vrm)
pr_warn("Requested unsupported VRM version (%u)\n",
@@ -157,7 +157,7 @@ int vid_from_reg(int val, u8 vrm)
return 0;
}
}
-
+EXPORT_SYMBOL(vid_from_reg);
/*
* After this point is the code to automatically determine which
@@ -166,9 +166,10 @@ int vid_from_reg(int val, u8 vrm)
struct vrm_model {
u8 vendor;
- u8 eff_family;
- u8 eff_model;
- u8 eff_stepping;
+ u8 family;
+ u8 model_from;
+ u8 model_to;
+ u8 stepping_to;
u8 vrm_type;
};
@@ -177,42 +178,52 @@ struct vrm_model {
#ifdef CONFIG_X86
/*
- * The stepping parameter is highest acceptable stepping for current line.
+ * The stepping_to parameter is highest acceptable stepping for current line.
* The model match must be exact for 4-bit values. For model values 0x10
* and above (extended model), all models below the parameter will match.
*/
static struct vrm_model vrm_models[] = {
- {X86_VENDOR_AMD, 0x6, ANY, ANY, 90}, /* Athlon Duron etc */
- {X86_VENDOR_AMD, 0xF, 0x3F, ANY, 24}, /* Athlon 64, Opteron */
- /* In theory, all NPT family 0Fh processors have 6 VID pins and should
- thus use vrm 25, however in practice not all mainboards route the
- 6th VID pin because it is never needed. So we use the 5 VID pin
- variant (vrm 24) for the models which exist today. */
- {X86_VENDOR_AMD, 0xF, 0x7F, ANY, 24}, /* NPT family 0Fh */
- {X86_VENDOR_AMD, 0xF, ANY, ANY, 25}, /* future fam. 0Fh */
- {X86_VENDOR_AMD, 0x10, ANY, ANY, 25}, /* NPT family 10h */
-
- {X86_VENDOR_INTEL, 0x6, 0x9, ANY, 13}, /* Pentium M (130 nm) */
- {X86_VENDOR_INTEL, 0x6, 0xB, ANY, 85}, /* Tualatin */
- {X86_VENDOR_INTEL, 0x6, 0xD, ANY, 13}, /* Pentium M (90 nm) */
- {X86_VENDOR_INTEL, 0x6, 0xE, ANY, 14}, /* Intel Core (65 nm) */
- {X86_VENDOR_INTEL, 0x6, 0xF, ANY, 110}, /* Intel Conroe */
- {X86_VENDOR_INTEL, 0x6, ANY, ANY, 82}, /* any P6 */
- {X86_VENDOR_INTEL, 0xF, 0x0, ANY, 90}, /* P4 */
- {X86_VENDOR_INTEL, 0xF, 0x1, ANY, 90}, /* P4 Willamette */
- {X86_VENDOR_INTEL, 0xF, 0x2, ANY, 90}, /* P4 Northwood */
- {X86_VENDOR_INTEL, 0xF, ANY, ANY, 100}, /* Prescott and above assume VRD 10 */
-
- {X86_VENDOR_CENTAUR, 0x6, 0x7, ANY, 85}, /* Eden ESP/Ezra */
- {X86_VENDOR_CENTAUR, 0x6, 0x8, 0x7, 85}, /* Ezra T */
- {X86_VENDOR_CENTAUR, 0x6, 0x9, 0x7, 85}, /* Nehemiah */
- {X86_VENDOR_CENTAUR, 0x6, 0x9, ANY, 17}, /* C3-M, Eden-N */
- {X86_VENDOR_CENTAUR, 0x6, 0xA, 0x7, 0}, /* No information */
- {X86_VENDOR_CENTAUR, 0x6, 0xA, ANY, 13}, /* C7-M, C7, Eden (Esther) */
- {X86_VENDOR_CENTAUR, 0x6, 0xD, ANY, 134}, /* C7-D, C7-M, C7, Eden (Esther) */
-
- {X86_VENDOR_UNKNOWN, ANY, ANY, ANY, 0} /* stop here */
+ {X86_VENDOR_AMD, 0x6, 0x0, ANY, ANY, 90}, /* Athlon Duron etc */
+ {X86_VENDOR_AMD, 0xF, 0x0, 0x3F, ANY, 24}, /* Athlon 64, Opteron */
+ /*
+ * In theory, all NPT family 0Fh processors have 6 VID pins and should
+ * thus use vrm 25, however in practice not all mainboards route the
+ * 6th VID pin because it is never needed. So we use the 5 VID pin
+ * variant (vrm 24) for the models which exist today.
+ */
+ {X86_VENDOR_AMD, 0xF, 0x40, 0x7F, ANY, 24}, /* NPT family 0Fh */
+ {X86_VENDOR_AMD, 0xF, 0x80, ANY, ANY, 25}, /* future fam. 0Fh */
+ {X86_VENDOR_AMD, 0x10, 0x0, ANY, ANY, 25}, /* NPT family 10h */
+
+ {X86_VENDOR_INTEL, 0x6, 0x0, 0x6, ANY, 82}, /* Pentium Pro,
+ * Pentium II, Xeon,
+ * Mobile Pentium,
+ * Celeron */
+ {X86_VENDOR_INTEL, 0x6, 0x7, 0x7, ANY, 84}, /* Pentium III, Xeon */
+ {X86_VENDOR_INTEL, 0x6, 0x8, 0x8, ANY, 82}, /* Pentium III, Xeon */
+ {X86_VENDOR_INTEL, 0x6, 0x9, 0x9, ANY, 13}, /* Pentium M (130 nm) */
+ {X86_VENDOR_INTEL, 0x6, 0xA, 0xA, ANY, 82}, /* Pentium III Xeon */
+ {X86_VENDOR_INTEL, 0x6, 0xB, 0xB, ANY, 85}, /* Tualatin */
+ {X86_VENDOR_INTEL, 0x6, 0xD, 0xD, ANY, 13}, /* Pentium M (90 nm) */
+ {X86_VENDOR_INTEL, 0x6, 0xE, 0xE, ANY, 14}, /* Intel Core (65 nm) */
+ {X86_VENDOR_INTEL, 0x6, 0xF, ANY, ANY, 110}, /* Intel Conroe and
+ * later */
+ {X86_VENDOR_INTEL, 0xF, 0x0, 0x0, ANY, 90}, /* P4 */
+ {X86_VENDOR_INTEL, 0xF, 0x1, 0x1, ANY, 90}, /* P4 Willamette */
+ {X86_VENDOR_INTEL, 0xF, 0x2, 0x2, ANY, 90}, /* P4 Northwood */
+ {X86_VENDOR_INTEL, 0xF, 0x3, ANY, ANY, 100}, /* Prescott and above
+ * assume VRD 10 */
+
+ {X86_VENDOR_CENTAUR, 0x6, 0x7, 0x7, ANY, 85}, /* Eden ESP/Ezra */
+ {X86_VENDOR_CENTAUR, 0x6, 0x8, 0x8, 0x7, 85}, /* Ezra T */
+ {X86_VENDOR_CENTAUR, 0x6, 0x9, 0x9, 0x7, 85}, /* Nehemiah */
+ {X86_VENDOR_CENTAUR, 0x6, 0x9, 0x9, ANY, 17}, /* C3-M, Eden-N */
+ {X86_VENDOR_CENTAUR, 0x6, 0xA, 0xA, 0x7, 0}, /* No information */
+ {X86_VENDOR_CENTAUR, 0x6, 0xA, 0xA, ANY, 13}, /* C7-M, C7,
+ * Eden (Esther) */
+ {X86_VENDOR_CENTAUR, 0x6, 0xD, 0xD, ANY, 134}, /* C7-D, C7-M, C7,
+ * Eden (Esther) */
};
/*
@@ -248,20 +259,17 @@ static u8 get_via_model_d_vrm(void)
}
}
-static u8 find_vrm(u8 eff_family, u8 eff_model, u8 eff_stepping, u8 vendor)
+static u8 find_vrm(u8 family, u8 model, u8 stepping, u8 vendor)
{
- int i = 0;
-
- while (vrm_models[i].vendor!=X86_VENDOR_UNKNOWN) {
- if (vrm_models[i].vendor==vendor)
- if ((vrm_models[i].eff_family==eff_family)
- && ((vrm_models[i].eff_model==eff_model) ||
- (vrm_models[i].eff_model >= 0x10 &&
- eff_model <= vrm_models[i].eff_model) ||
- (vrm_models[i].eff_model==ANY)) &&
- (eff_stepping <= vrm_models[i].eff_stepping))
- return vrm_models[i].vrm_type;
- i++;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(vrm_models); i++) {
+ if (vendor == vrm_models[i].vendor &&
+ family == vrm_models[i].family &&
+ model >= vrm_models[i].model_from &&
+ model <= vrm_models[i].model_to &&
+ stepping <= vrm_models[i].stepping_to)
+ return vrm_models[i].vrm_type;
}
return 0;
@@ -270,21 +278,12 @@ static u8 find_vrm(u8 eff_family, u8 eff_model, u8 eff_stepping, u8 vendor)
u8 vid_which_vrm(void)
{
struct cpuinfo_x86 *c = &cpu_data(0);
- u32 eax;
- u8 eff_family, eff_model, eff_stepping, vrm_ret;
+ u8 vrm_ret;
if (c->x86 < 6) /* Any CPU with family lower than 6 */
- return 0; /* doesn't have VID and/or CPUID */
-
- eax = cpuid_eax(1);
- eff_family = ((eax & 0x00000F00)>>8);
- eff_model = ((eax & 0x000000F0)>>4);
- eff_stepping = eax & 0xF;
- if (eff_family == 0xF) { /* use extended model & family */
- eff_family += ((eax & 0x00F00000)>>20);
- eff_model += ((eax & 0x000F0000)>>16)<<4;
- }
- vrm_ret = find_vrm(eff_family, eff_model, eff_stepping, c->x86_vendor);
+ return 0; /* doesn't have VID */
+
+ vrm_ret = find_vrm(c->x86, c->x86_model, c->x86_mask, c->x86_vendor);
if (vrm_ret == 134)
vrm_ret = get_via_model_d_vrm();
if (vrm_ret == 0)
@@ -300,8 +299,6 @@ u8 vid_which_vrm(void)
return 0;
}
#endif
-
-EXPORT_SYMBOL(vid_from_reg);
EXPORT_SYMBOL(vid_which_vrm);
MODULE_AUTHOR("Rudolf Marek <r.marek@assembler.cz>");
diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c
index 6460487e41b..c3c471ca202 100644
--- a/drivers/hwmon/hwmon.c
+++ b/drivers/hwmon/hwmon.c
@@ -1,14 +1,14 @@
/*
- hwmon.c - part of lm_sensors, Linux kernel modules for hardware monitoring
-
- This file defines the sysfs class "hwmon", for use by sensors drivers.
-
- Copyright (C) 2005 Mark M. Hoffman <mhoffman@lightlink.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; version 2 of the License.
-*/
+ * hwmon.c - part of lm_sensors, Linux kernel modules for hardware monitoring
+ *
+ * This file defines the sysfs class "hwmon", for use by sensors drivers.
+ *
+ * Copyright (C) 2005 Mark M. Hoffman <mhoffman@lightlink.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -55,6 +55,7 @@ struct device *hwmon_device_register(struct device *dev)
return hwdev;
}
+EXPORT_SYMBOL_GPL(hwmon_device_register);
/**
* hwmon_device_unregister - removes the previously registered class device
@@ -72,6 +73,7 @@ void hwmon_device_unregister(struct device *dev)
dev_dbg(dev->parent,
"hwmon_device_unregister() failed: bad class ID!\n");
}
+EXPORT_SYMBOL_GPL(hwmon_device_unregister);
static void __init hwmon_pci_quirks(void)
{
@@ -119,9 +121,6 @@ static void __exit hwmon_exit(void)
subsys_initcall(hwmon_init);
module_exit(hwmon_exit);
-EXPORT_SYMBOL_GPL(hwmon_device_register);
-EXPORT_SYMBOL_GPL(hwmon_device_unregister);
-
MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>");
MODULE_DESCRIPTION("hardware monitoring sysfs/class support");
MODULE_LICENSE("GPL");
diff --git a/drivers/hwmon/i5k_amb.c b/drivers/hwmon/i5k_amb.c
index d22f241b6a6..a18882cc073 100644
--- a/drivers/hwmon/i5k_amb.c
+++ b/drivers/hwmon/i5k_amb.c
@@ -159,8 +159,12 @@ static ssize_t store_amb_min(struct device *dev,
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i5k_amb_data *data = dev_get_drvdata(dev);
- unsigned long temp = simple_strtoul(buf, NULL, 10) / 500;
+ unsigned long temp;
+ int ret = kstrtoul(buf, 10, &temp);
+ if (ret < 0)
+ return ret;
+ temp = temp / 500;
if (temp > 255)
temp = 255;
@@ -175,8 +179,12 @@ static ssize_t store_amb_mid(struct device *dev,
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i5k_amb_data *data = dev_get_drvdata(dev);
- unsigned long temp = simple_strtoul(buf, NULL, 10) / 500;
+ unsigned long temp;
+ int ret = kstrtoul(buf, 10, &temp);
+ if (ret < 0)
+ return ret;
+ temp = temp / 500;
if (temp > 255)
temp = 255;
@@ -191,8 +199,12 @@ static ssize_t store_amb_max(struct device *dev,
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i5k_amb_data *data = dev_get_drvdata(dev);
- unsigned long temp = simple_strtoul(buf, NULL, 10) / 500;
+ unsigned long temp;
+ int ret = kstrtoul(buf, 10, &temp);
+ if (ret < 0)
+ return ret;
+ temp = temp / 500;
if (temp > 255)
temp = 255;
diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c
index cc2981f749a..37f17e0d9d5 100644
--- a/drivers/hwmon/ibmaem.c
+++ b/drivers/hwmon/ibmaem.c
@@ -1045,7 +1045,7 @@ static struct aem_ro_sensor_template aem2_ro_sensors[] = {
{"power6_average", aem2_show_pcap_value, POWER_CAP_MIN_WARNING},
{"power7_average", aem2_show_pcap_value, POWER_CAP_MIN},
-{"power3_average", aem2_show_pcap_value, POWER_AUX},
+{"power3_average", aem2_show_pcap_value, POWER_AUX},
{"power_cap", aem2_show_pcap_value, POWER_CAP},
{NULL, NULL, 0},
};
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 0054d6f9cec..0b204e4cf51 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -176,12 +176,16 @@ static bool fix_pwm_polarity;
#define IT87_REG_ALARM2 0x02
#define IT87_REG_ALARM3 0x03
-/* The IT8718F and IT8720F have the VID value in a different register, in
- Super-I/O configuration space. */
+/*
+ * The IT8718F and IT8720F have the VID value in a different register, in
+ * Super-I/O configuration space.
+ */
#define IT87_REG_VID 0x0a
-/* The IT8705F and IT8712F earlier than revision 0x08 use register 0x0b
- for fan divisors. Later IT8712F revisions must use 16-bit tachometer
- mode. */
+/*
+ * The IT8705F and IT8712F earlier than revision 0x08 use register 0x0b
+ * for fan divisors. Later IT8712F revisions must use 16-bit tachometer
+ * mode.
+ */
#define IT87_REG_FAN_DIV 0x0b
#define IT87_REG_FAN_16BIT 0x0c
@@ -227,8 +231,10 @@ struct it87_sio_data {
u8 skip_pwm;
};
-/* For each registered chip, we need to keep some data in memory.
- The structure is dynamically allocated. */
+/*
+ * For each registered chip, we need to keep some data in memory.
+ * The structure is dynamically allocated.
+ */
struct it87_data {
struct device *hwmon_dev;
enum chips type;
@@ -259,14 +265,16 @@ struct it87_data {
u8 fan_main_ctrl; /* Register value */
u8 fan_ctl; /* Register value */
- /* The following 3 arrays correspond to the same registers up to
+ /*
+ * The following 3 arrays correspond to the same registers up to
* the IT8720F. The meaning of bits 6-0 depends on the value of bit
* 7, and we want to preserve settings on mode changes, so we have
* to track all values separately.
* Starting with the IT8721F, the manual PWM duty cycles are stored
* in separate registers (8-bit values), so the separate tracking
* is no longer needed, but it is still done to keep the driver
- * simple. */
+ * simple.
+ */
u8 pwm_ctrl[3]; /* Register value */
u8 pwm_duty[3]; /* Manual PWM value set by user */
u8 pwm_temp_map[3]; /* PWM to temp. chan. mapping (bits 1-0) */
@@ -388,9 +396,11 @@ static const unsigned int pwm_freq[8] = {
static inline int has_16bit_fans(const struct it87_data *data)
{
- /* IT8705F Datasheet 0.4.1, 3h == Version G.
- IT8712F Datasheet 0.9.1, section 8.3.5 indicates 8h == Version J.
- These are the first revisions with 16bit tachometer support. */
+ /*
+ * IT8705F Datasheet 0.4.1, 3h == Version G.
+ * IT8712F Datasheet 0.9.1, section 8.3.5 indicates 8h == Version J.
+ * These are the first revisions with 16-bit tachometer support.
+ */
return (data->type == it87 && data->revision >= 0x03)
|| (data->type == it8712 && data->revision >= 0x08)
|| data->type == it8716
@@ -402,9 +412,11 @@ static inline int has_16bit_fans(const struct it87_data *data)
static inline int has_old_autopwm(const struct it87_data *data)
{
- /* The old automatic fan speed control interface is implemented
- by IT8705F chips up to revision F and IT8712F chips up to
- revision G. */
+ /*
+ * The old automatic fan speed control interface is implemented
+ * by IT8705F chips up to revision F and IT8712F chips up to
+ * revision G.
+ */
return (data->type == it87 && data->revision < 0x03)
|| (data->type == it8712 && data->revision < 0x08);
}
@@ -606,10 +618,8 @@ static ssize_t show_sensor(struct device *dev, struct device_attribute *attr,
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
-
struct it87_data *data = it87_update_device(dev);
- u8 reg = data->sensor; /* In case the value is updated while
- we use it */
+ u8 reg = data->sensor; /* In case value is updated while used */
if (reg & (1 << nr))
return sprintf(buf, "3\n"); /* thermal diode */
@@ -894,8 +904,10 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
mutex_lock(&data->update_lock);
if (has_newer_autopwm(data)) {
- /* If we are in automatic mode, the PWM duty cycle register
- * is read-only so we can't write the value */
+ /*
+ * If we are in automatic mode, the PWM duty cycle register
+ * is read-only so we can't write the value.
+ */
if (data->pwm_ctrl[nr] & 0x80) {
mutex_unlock(&data->update_lock);
return -EBUSY;
@@ -905,8 +917,10 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
data->pwm_duty[nr]);
} else {
data->pwm_duty[nr] = pwm_to_reg(data, val);
- /* If we are in manual mode, write the duty cycle immediately;
- * otherwise, just store it for later use. */
+ /*
+ * If we are in manual mode, write the duty cycle immediately;
+ * otherwise, just store it for later use.
+ */
if (!(data->pwm_ctrl[nr] & 0x80)) {
data->pwm_ctrl[nr] = data->pwm_duty[nr];
it87_write_value(data, IT87_REG_PWM(nr),
@@ -965,8 +979,10 @@ static ssize_t set_pwm_temp_map(struct device *dev,
long val;
u8 reg;
- /* This check can go away if we ever support automatic fan speed
- control on newer chips. */
+ /*
+ * This check can go away if we ever support automatic fan speed
+ * control on newer chips.
+ */
if (!has_old_autopwm(data)) {
dev_notice(dev, "Mapping change disabled for safety reasons\n");
return -EINVAL;
@@ -991,8 +1007,10 @@ static ssize_t set_pwm_temp_map(struct device *dev,
mutex_lock(&data->update_lock);
data->pwm_temp_map[nr] = reg;
- /* If we are in automatic mode, write the temp mapping immediately;
- * otherwise, just store it for later use. */
+ /*
+ * If we are in automatic mode, write the temp mapping immediately;
+ * otherwise, just store it for later use.
+ */
if (data->pwm_ctrl[nr] & 0x80) {
data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr];
it87_write_value(data, IT87_REG_PWM(nr), data->pwm_ctrl[nr]);
@@ -1162,9 +1180,11 @@ static ssize_t set_fan16_min(struct device *dev, struct device_attribute *attr,
return count;
}
-/* We want to use the same sysfs file names as 8-bit fans, but we need
- different variable names, so we have to use SENSOR_ATTR instead of
- SENSOR_DEVICE_ATTR. */
+/*
+ * We want to use the same sysfs file names as 8-bit fans, but we need
+ * different variable names, so we have to use SENSOR_ATTR instead of
+ * SENSOR_DEVICE_ATTR.
+ */
#define show_fan16_offset(offset) \
static struct sensor_device_attribute sensor_dev_attr_fan##offset##_input16 \
= SENSOR_ATTR(fan##offset##_input, S_IRUGO, \
@@ -1321,12 +1341,12 @@ static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
static ssize_t show_label(struct device *dev, struct device_attribute *attr,
char *buf)
{
- static const char *labels[] = {
+ static const char * const labels[] = {
"+5V",
"5VSB",
"Vbat",
};
- static const char *labels_it8721[] = {
+ static const char * const labels_it8721[] = {
"+3.3V",
"3VSB",
"Vbat",
@@ -1736,12 +1756,14 @@ static int __init it87_find(unsigned short *address,
if (board_vendor && board_name) {
if (strcmp(board_vendor, "nVIDIA") == 0
&& strcmp(board_name, "FN68PT") == 0) {
- /* On the Shuttle SN68PT, FAN_CTL2 is apparently not
- connected to a fan, but to something else. One user
- has reported instant system power-off when changing
- the PWM2 duty cycle, so we disable it.
- I use the board name string as the trigger in case
- the same board is ever used in other systems. */
+ /*
+ * On the Shuttle SN68PT, FAN_CTL2 is apparently not
+ * connected to a fan, but to something else. One user
+ * has reported instant system power-off when changing
+ * the PWM2 duty cycle, so we disable it.
+ * I use the board name string as the trigger in case
+ * the same board is ever used in other systems.
+ */
pr_info("Disabling pwm2 due to hardware constraints\n");
sio_data->skip_pwm = (1 << 1);
}
@@ -1793,7 +1815,7 @@ static int __devinit it87_probe(struct platform_device *pdev)
int err = 0, i;
int enable_pwm_interface;
int fan_beep_need_rw;
- static const char *names[] = {
+ static const char * const names[] = {
"it87",
"it8712",
"it8716",
@@ -1879,9 +1901,11 @@ static int __devinit it87_probe(struct platform_device *pdev)
if (!fan_beep_need_rw)
continue;
- /* As we have a single beep enable bit for all fans,
+ /*
+ * As we have a single beep enable bit for all fans,
* only the first enabled fan has a writable attribute
- * for it. */
+ * for it.
+ */
if (sysfs_chmod_file(&dev->kobj,
it87_attributes_fan_beep[i],
S_IRUGO | S_IWUSR))
@@ -1961,18 +1985,22 @@ static int __devexit it87_remove(struct platform_device *pdev)
return 0;
}
-/* Must be called with data->update_lock held, except during initialization.
- We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
- would slow down the IT87 access and should not be necessary. */
+/*
+ * Must be called with data->update_lock held, except during initialization.
+ * We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
+ * would slow down the IT87 access and should not be necessary.
+ */
static int it87_read_value(struct it87_data *data, u8 reg)
{
outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
return inb_p(data->addr + IT87_DATA_REG_OFFSET);
}
-/* Must be called with data->update_lock held, except during initialization.
- We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
- would slow down the IT87 access and should not be necessary. */
+/*
+ * Must be called with data->update_lock held, except during initialization.
+ * We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
+ * would slow down the IT87 access and should not be necessary.
+ */
static void it87_write_value(struct it87_data *data, u8 reg, u8 value)
{
outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
@@ -1983,15 +2011,19 @@ static void it87_write_value(struct it87_data *data, u8 reg, u8 value)
static int __devinit it87_check_pwm(struct device *dev)
{
struct it87_data *data = dev_get_drvdata(dev);
- /* Some BIOSes fail to correctly configure the IT87 fans. All fans off
+ /*
+ * Some BIOSes fail to correctly configure the IT87 fans. All fans off
* and polarity set to active low is sign that this is the case so we
- * disable pwm control to protect the user. */
+ * disable pwm control to protect the user.
+ */
int tmp = it87_read_value(data, IT87_REG_FAN_CTL);
if ((tmp & 0x87) == 0) {
if (fix_pwm_polarity) {
- /* The user asks us to attempt a chip reconfiguration.
+ /*
+ * The user asks us to attempt a chip reconfiguration.
* This means switching to active high polarity and
- * inverting all fan speed values. */
+ * inverting all fan speed values.
+ */
int i;
u8 pwm[3];
@@ -1999,10 +2031,12 @@ static int __devinit it87_check_pwm(struct device *dev)
pwm[i] = it87_read_value(data,
IT87_REG_PWM(i));
- /* If any fan is in automatic pwm mode, the polarity
+ /*
+ * If any fan is in automatic pwm mode, the polarity
* might be correct, as suspicious as it seems, so we
* better don't change anything (but still disable the
- * PWM interface). */
+ * PWM interface).
+ */
if (!((pwm[0] | pwm[1] | pwm[2]) & 0x80)) {
dev_info(dev, "Reconfiguring PWM to "
"active high polarity\n");
@@ -2038,7 +2072,8 @@ static void __devinit it87_init_device(struct platform_device *pdev)
int tmp, i;
u8 mask;
- /* For each PWM channel:
+ /*
+ * For each PWM channel:
* - If it is in automatic mode, setting to manual mode should set
* the fan to full speed by default.
* - If it is in manual mode, we need a mapping to temperature
@@ -2048,18 +2083,21 @@ static void __devinit it87_init_device(struct platform_device *pdev)
* prior to switching to a different mode.
* Note that this is no longer needed for the IT8721F and later, as
* these have separate registers for the temperature mapping and the
- * manual duty cycle. */
+ * manual duty cycle.
+ */
for (i = 0; i < 3; i++) {
data->pwm_temp_map[i] = i;
data->pwm_duty[i] = 0x7f; /* Full speed */
data->auto_pwm[i][3] = 0x7f; /* Full speed, hard-coded */
}
- /* Some chips seem to have default value 0xff for all limit
+ /*
+ * Some chips seem to have default value 0xff for all limit
* registers. For low voltage limits it makes no sense and triggers
* alarms, so change to 0 instead. For high temperature limits, it
* means -1 degree C, which surprisingly doesn't trigger an alarm,
- * but is still confusing, so change to 127 degrees C. */
+ * but is still confusing, so change to 127 degrees C.
+ */
for (i = 0; i < 8; i++) {
tmp = it87_read_value(data, IT87_REG_VIN_MIN(i));
if (tmp == 0xff)
@@ -2071,10 +2109,12 @@ static void __devinit it87_init_device(struct platform_device *pdev)
it87_write_value(data, IT87_REG_TEMP_HIGH(i), 127);
}
- /* Temperature channels are not forcibly enabled, as they can be
+ /*
+ * Temperature channels are not forcibly enabled, as they can be
* set to two different sensor types and we can't guess which one
* is correct for a given system. These channels can be enabled at
- * run-time through the temp{1-3}_type sysfs accessors if needed. */
+ * run-time through the temp{1-3}_type sysfs accessors if needed.
+ */
/* Check if voltage monitors are reset manually or by some reason */
tmp = it87_read_value(data, IT87_REG_VIN_ENABLE);
@@ -2157,8 +2197,10 @@ static struct it87_data *it87_update_device(struct device *dev)
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
if (update_vbat) {
- /* Cleared after each update, so reenable. Value
- returned by this read will be previous value */
+ /*
+ * Cleared after each update, so reenable. Value
+ * returned by this read will be previous value
+ */
it87_write_value(data, IT87_REG_CONFIG,
it87_read_value(data, IT87_REG_CONFIG) | 0x40);
}
@@ -2220,13 +2262,17 @@ static struct it87_data *it87_update_device(struct device *dev)
it87_update_pwm_ctrl(data, i);
data->sensor = it87_read_value(data, IT87_REG_TEMP_ENABLE);
- /* The 8705 does not have VID capability.
- The 8718 and later don't use IT87_REG_VID for the
- same purpose. */
+ /*
+ * The IT8705F does not have VID capability.
+ * The IT8718F and later don't use IT87_REG_VID for the
+ * same purpose.
+ */
if (data->type == it8712 || data->type == it8716) {
data->vid = it87_read_value(data, IT87_REG_VID);
- /* The older IT8712F revisions had only 5 VID pins,
- but we assume it is always safe to read 6 bits. */
+ /*
+ * The older IT8712F revisions had only 5 VID pins,
+ * but we assume it is always safe to read 6 bits.
+ */
data->vid &= 0x3f;
}
data->last_updated = jiffies;
diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c
index b927ee5ccdd..a9bfd6736d9 100644
--- a/drivers/hwmon/jc42.c
+++ b/drivers/hwmon/jc42.c
@@ -180,25 +180,7 @@ static int jc42_remove(struct i2c_client *client);
static struct jc42_data *jc42_update_device(struct device *dev);
static const struct i2c_device_id jc42_id[] = {
- { "adt7408", 0 },
- { "at30ts00", 0 },
- { "cat94ts02", 0 },
- { "cat6095", 0 },
{ "jc42", 0 },
- { "max6604", 0 },
- { "mcp9804", 0 },
- { "mcp9805", 0 },
- { "mcp98242", 0 },
- { "mcp98243", 0 },
- { "mcp9843", 0 },
- { "se97", 0 },
- { "se97b", 0 },
- { "se98", 0 },
- { "stts424", 0 },
- { "stts2002", 0 },
- { "stts3000", 0 },
- { "tse2002", 0 },
- { "ts3000", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, jc42_id);
@@ -350,8 +332,10 @@ set(temp_min, JC42_REG_TEMP_LOWER);
set(temp_max, JC42_REG_TEMP_UPPER);
set(temp_crit, JC42_REG_TEMP_CRITICAL);
-/* JC42.4 compliant chips only support four hysteresis values.
- * Pick best choice and go from there. */
+/*
+ * JC42.4 compliant chips only support four hysteresis values.
+ * Pick best choice and go from there.
+ */
static ssize_t set_temp_crit_hyst(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
@@ -467,20 +451,19 @@ static const struct attribute_group jc42_group = {
};
/* Return 0 if detection is successful, -ENODEV otherwise */
-static int jc42_detect(struct i2c_client *new_client,
- struct i2c_board_info *info)
+static int jc42_detect(struct i2c_client *client, struct i2c_board_info *info)
{
- struct i2c_adapter *adapter = new_client->adapter;
+ struct i2c_adapter *adapter = client->adapter;
int i, config, cap, manid, devid;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
I2C_FUNC_SMBUS_WORD_DATA))
return -ENODEV;
- cap = i2c_smbus_read_word_swapped(new_client, JC42_REG_CAP);
- config = i2c_smbus_read_word_swapped(new_client, JC42_REG_CONFIG);
- manid = i2c_smbus_read_word_swapped(new_client, JC42_REG_MANID);
- devid = i2c_smbus_read_word_swapped(new_client, JC42_REG_DEVICEID);
+ cap = i2c_smbus_read_word_swapped(client, JC42_REG_CAP);
+ config = i2c_smbus_read_word_swapped(client, JC42_REG_CONFIG);
+ manid = i2c_smbus_read_word_swapped(client, JC42_REG_MANID);
+ devid = i2c_smbus_read_word_swapped(client, JC42_REG_DEVICEID);
if (cap < 0 || config < 0 || manid < 0 || devid < 0)
return -ENODEV;
@@ -499,47 +482,42 @@ static int jc42_detect(struct i2c_client *new_client,
return -ENODEV;
}
-static int jc42_probe(struct i2c_client *new_client,
- const struct i2c_device_id *id)
+static int jc42_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
struct jc42_data *data;
int config, cap, err;
+ struct device *dev = &client->dev;
- data = kzalloc(sizeof(struct jc42_data), GFP_KERNEL);
- if (!data) {
- err = -ENOMEM;
- goto exit;
- }
+ data = devm_kzalloc(dev, sizeof(struct jc42_data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
- i2c_set_clientdata(new_client, data);
+ i2c_set_clientdata(client, data);
mutex_init(&data->update_lock);
- cap = i2c_smbus_read_word_swapped(new_client, JC42_REG_CAP);
- if (cap < 0) {
- err = -EINVAL;
- goto exit_free;
- }
+ cap = i2c_smbus_read_word_swapped(client, JC42_REG_CAP);
+ if (cap < 0)
+ return cap;
+
data->extended = !!(cap & JC42_CAP_RANGE);
- config = i2c_smbus_read_word_swapped(new_client, JC42_REG_CONFIG);
- if (config < 0) {
- err = -EINVAL;
- goto exit_free;
- }
+ config = i2c_smbus_read_word_swapped(client, JC42_REG_CONFIG);
+ if (config < 0)
+ return config;
+
data->orig_config = config;
if (config & JC42_CFG_SHUTDOWN) {
config &= ~JC42_CFG_SHUTDOWN;
- i2c_smbus_write_word_swapped(new_client, JC42_REG_CONFIG,
- config);
+ i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG, config);
}
data->config = config;
/* Register sysfs hooks */
- err = sysfs_create_group(&new_client->dev.kobj, &jc42_group);
+ err = sysfs_create_group(&dev->kobj, &jc42_group);
if (err)
- goto exit_free;
+ return err;
- data->hwmon_dev = hwmon_device_register(&new_client->dev);
+ data->hwmon_dev = hwmon_device_register(dev);
if (IS_ERR(data->hwmon_dev)) {
err = PTR_ERR(data->hwmon_dev);
goto exit_remove;
@@ -548,10 +526,7 @@ static int jc42_probe(struct i2c_client *new_client,
return 0;
exit_remove:
- sysfs_remove_group(&new_client->dev.kobj, &jc42_group);
-exit_free:
- kfree(data);
-exit:
+ sysfs_remove_group(&dev->kobj, &jc42_group);
return err;
}
@@ -563,7 +538,6 @@ static int jc42_remove(struct i2c_client *client)
if (data->config != data->orig_config)
i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG,
data->orig_config);
- kfree(data);
return 0;
}
@@ -614,19 +588,8 @@ abort:
return ret;
}
-static int __init sensors_jc42_init(void)
-{
- return i2c_add_driver(&jc42_driver);
-}
-
-static void __exit sensors_jc42_exit(void)
-{
- i2c_del_driver(&jc42_driver);
-}
+module_i2c_driver(jc42_driver);
MODULE_AUTHOR("Guenter Roeck <guenter.roeck@ericsson.com>");
MODULE_DESCRIPTION("JC42 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_jc42_init);
-module_exit(sensors_jc42_exit);
diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
index 41aa6a31987..aba29d63f19 100644
--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -205,7 +205,7 @@ static void __devexit k10temp_remove(struct pci_dev *pdev)
pci_set_drvdata(pdev, NULL);
}
-static const struct pci_device_id k10temp_id_table[] = {
+static DEFINE_PCI_DEVICE_TABLE(k10temp_id_table) = {
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_10H_NB_MISC) },
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_11H_NB_MISC) },
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CNB17H_F3) },
diff --git a/drivers/hwmon/k8temp.c b/drivers/hwmon/k8temp.c
index b923bc2307a..57510198875 100644
--- a/drivers/hwmon/k8temp.c
+++ b/drivers/hwmon/k8temp.c
@@ -46,7 +46,7 @@ struct k8temp_data {
unsigned long last_updated; /* in jiffies */
/* registers values */
- u8 sensorsp; /* sensor presence bits - SEL_CORE & SEL_PLACE */
+ u8 sensorsp; /* sensor presence bits - SEL_CORE, SEL_PLACE */
u32 temp[2][2]; /* core, place */
u8 swap_core_select; /* meaning of SEL_CORE is inverted */
u32 temp_offset;
@@ -63,7 +63,7 @@ static struct k8temp_data *k8temp_update_device(struct device *dev)
if (!data->valid
|| time_after(jiffies, data->last_updated + HZ)) {
pci_read_config_byte(pdev, REG_TEMP, &tmp);
- tmp &= ~(SEL_PLACE | SEL_CORE); /* Select sensor 0, core0 */
+ tmp &= ~(SEL_PLACE | SEL_CORE); /* Select sensor 0, core0 */
pci_write_config_byte(pdev, REG_TEMP, tmp);
pci_read_config_dword(pdev, REG_TEMP, &data->temp[0][0]);
@@ -82,7 +82,7 @@ static struct k8temp_data *k8temp_update_device(struct device *dev)
&data->temp[1][0]);
if (data->sensorsp & SEL_PLACE) {
- tmp |= SEL_PLACE; /* Select sensor 1, core1 */
+ tmp |= SEL_PLACE; /* Select sensor 1, core1 */
pci_write_config_byte(pdev, REG_TEMP, tmp);
pci_read_config_dword(pdev, REG_TEMP,
&data->temp[1][1]);
@@ -136,7 +136,7 @@ static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 1, 0);
static SENSOR_DEVICE_ATTR_2(temp4_input, S_IRUGO, show_temp, NULL, 1, 1);
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
-static const struct pci_device_id k8temp_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(k8temp_ids) = {
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_K8_NB_MISC) },
{ 0 },
};
@@ -183,7 +183,8 @@ static int __devinit k8temp_probe(struct pci_dev *pdev,
u8 model, stepping;
struct k8temp_data *data;
- if (!(data = kzalloc(sizeof(struct k8temp_data), GFP_KERNEL))) {
+ data = kzalloc(sizeof(struct k8temp_data), GFP_KERNEL);
+ if (!data) {
err = -ENOMEM;
goto exit;
}
@@ -217,7 +218,7 @@ static int __devinit k8temp_probe(struct pci_dev *pdev,
data->temp_offset = 21000;
pci_read_config_byte(pdev, REG_TEMP, &scfg);
- scfg &= ~(SEL_PLACE | SEL_CORE); /* Select sensor 0, core0 */
+ scfg &= ~(SEL_PLACE | SEL_CORE); /* Select sensor 0, core0 */
pci_write_config_byte(pdev, REG_TEMP, scfg);
pci_read_config_byte(pdev, REG_TEMP, &scfg);
@@ -238,7 +239,7 @@ static int __devinit k8temp_probe(struct pci_dev *pdev,
pci_write_config_byte(pdev, REG_TEMP, scfg);
pci_read_config_dword(pdev, REG_TEMP, &temp);
scfg |= SEL_CORE; /* prepare for next selection */
- if (!((temp >> 16) & 0xff)) /* if temp is 0 -49C is not likely */
+ if (!((temp >> 16) & 0xff)) /* if temp is 0 -49C is unlikely */
data->sensorsp &= ~SEL_PLACE;
}
@@ -246,7 +247,7 @@ static int __devinit k8temp_probe(struct pci_dev *pdev,
scfg &= ~SEL_PLACE; /* Select sensor 0, core1 */
pci_write_config_byte(pdev, REG_TEMP, scfg);
pci_read_config_dword(pdev, REG_TEMP, &temp);
- if (!((temp >> 16) & 0xff)) /* if temp is 0 -49C is not likely */
+ if (!((temp >> 16) & 0xff)) /* if temp is 0 -49C is unlikely */
data->sensorsp &= ~SEL_CORE;
}
diff --git a/drivers/hwmon/lineage-pem.c b/drivers/hwmon/lineage-pem.c
index 58eded27f38..d264937c7f5 100644
--- a/drivers/hwmon/lineage-pem.c
+++ b/drivers/hwmon/lineage-pem.c
@@ -448,7 +448,7 @@ static int pem_probe(struct i2c_client *client,
| I2C_FUNC_SMBUS_WRITE_BYTE))
return -ENODEV;
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
@@ -462,11 +462,11 @@ static int pem_probe(struct i2c_client *client,
ret = pem_read_block(client, PEM_READ_FIRMWARE_REV,
data->firmware_rev, sizeof(data->firmware_rev));
if (ret < 0)
- goto out_kfree;
+ return ret;
ret = i2c_smbus_write_byte(client, PEM_CLEAR_INFO_FLAGS);
if (ret < 0)
- goto out_kfree;
+ return ret;
dev_info(&client->dev, "Firmware revision %d.%d.%d\n",
data->firmware_rev[0], data->firmware_rev[1],
@@ -475,7 +475,7 @@ static int pem_probe(struct i2c_client *client,
/* Register sysfs hooks */
ret = sysfs_create_group(&client->dev.kobj, &pem_group);
if (ret)
- goto out_kfree;
+ return ret;
/*
* Check if input readings are supported.
@@ -534,8 +534,6 @@ out_remove_groups:
sysfs_remove_group(&client->dev.kobj, &pem_input_group);
sysfs_remove_group(&client->dev.kobj, &pem_fan_group);
sysfs_remove_group(&client->dev.kobj, &pem_group);
-out_kfree:
- kfree(data);
return ret;
}
@@ -549,7 +547,6 @@ static int pem_remove(struct i2c_client *client)
sysfs_remove_group(&client->dev.kobj, &pem_fan_group);
sysfs_remove_group(&client->dev.kobj, &pem_group);
- kfree(data);
return 0;
}
@@ -568,19 +565,8 @@ static struct i2c_driver pem_driver = {
.id_table = pem_id,
};
-static int __init pem_init(void)
-{
- return i2c_add_driver(&pem_driver);
-}
-
-static void __exit pem_exit(void)
-{
- i2c_del_driver(&pem_driver);
-}
+module_i2c_driver(pem_driver);
MODULE_AUTHOR("Guenter Roeck <guenter.roeck@ericsson.com>");
MODULE_DESCRIPTION("Lineage CPL PEM hardware monitoring driver");
MODULE_LICENSE("GPL");
-
-module_init(pem_init);
-module_exit(pem_exit);
diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c
index 5e6457a6644..15c05cc83e2 100644
--- a/drivers/hwmon/lm63.c
+++ b/drivers/hwmon/lm63.c
@@ -1119,19 +1119,8 @@ static struct lm63_data *lm63_update_device(struct device *dev)
return data;
}
-static int __init sensors_lm63_init(void)
-{
- return i2c_add_driver(&lm63_driver);
-}
-
-static void __exit sensors_lm63_exit(void)
-{
- i2c_del_driver(&lm63_driver);
-}
+module_i2c_driver(lm63_driver);
MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
MODULE_DESCRIPTION("LM63 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_lm63_init);
-module_exit(sensors_lm63_exit);
diff --git a/drivers/hwmon/lm70.c b/drivers/hwmon/lm70.c
index c274ea25d89..472f79521a9 100644
--- a/drivers/hwmon/lm70.c
+++ b/drivers/hwmon/lm70.c
@@ -57,7 +57,7 @@ static ssize_t lm70_sense_temp(struct device *dev,
struct spi_device *spi = to_spi_device(dev);
int status, val = 0;
u8 rxbuf[2];
- s16 raw=0;
+ s16 raw = 0;
struct lm70 *p_lm70 = spi_get_drvdata(spi);
if (mutex_lock_interruptible(&p_lm70->lock))
@@ -156,6 +156,15 @@ static int __devinit lm70_probe(struct spi_device *spi)
mutex_init(&p_lm70->lock);
p_lm70->chip = chip;
+ spi_set_drvdata(spi, p_lm70);
+
+ status = device_create_file(&spi->dev, &dev_attr_temp1_input);
+ if (status)
+ goto out_dev_create_temp_file_failed;
+ status = device_create_file(&spi->dev, &dev_attr_name);
+ if (status)
+ goto out_dev_create_file_failed;
+
/* sysfs hook */
p_lm70->hwmon_dev = hwmon_device_register(&spi->dev);
if (IS_ERR(p_lm70->hwmon_dev)) {
@@ -163,20 +172,14 @@ static int __devinit lm70_probe(struct spi_device *spi)
status = PTR_ERR(p_lm70->hwmon_dev);
goto out_dev_reg_failed;
}
- spi_set_drvdata(spi, p_lm70);
-
- if ((status = device_create_file(&spi->dev, &dev_attr_temp1_input))
- || (status = device_create_file(&spi->dev, &dev_attr_name))) {
- dev_dbg(&spi->dev, "device_create_file failure.\n");
- goto out_dev_create_file_failed;
- }
return 0;
+out_dev_reg_failed:
+ device_remove_file(&spi->dev, &dev_attr_name);
out_dev_create_file_failed:
device_remove_file(&spi->dev, &dev_attr_temp1_input);
- hwmon_device_unregister(p_lm70->hwmon_dev);
-out_dev_reg_failed:
+out_dev_create_temp_file_failed:
spi_set_drvdata(spi, NULL);
kfree(p_lm70);
return status;
@@ -186,9 +189,9 @@ static int __devexit lm70_remove(struct spi_device *spi)
{
struct lm70 *p_lm70 = spi_get_drvdata(spi);
+ hwmon_device_unregister(p_lm70->hwmon_dev);
device_remove_file(&spi->dev, &dev_attr_temp1_input);
device_remove_file(&spi->dev, &dev_attr_name);
- hwmon_device_unregister(p_lm70->hwmon_dev);
spi_set_drvdata(spi, NULL);
kfree(p_lm70);
@@ -213,18 +216,7 @@ static struct spi_driver lm70_driver = {
.remove = __devexit_p(lm70_remove),
};
-static int __init init_lm70(void)
-{
- return spi_register_driver(&lm70_driver);
-}
-
-static void __exit cleanup_lm70(void)
-{
- spi_unregister_driver(&lm70_driver);
-}
-
-module_init(init_lm70);
-module_exit(cleanup_lm70);
+module_spi_driver(lm70_driver);
MODULE_AUTHOR("Kaiwan N Billimoria");
MODULE_DESCRIPTION("NS LM70 / TI TMP121/TMP123 Linux driver");
diff --git a/drivers/hwmon/lm73.c b/drivers/hwmon/lm73.c
index 9c8093c4b30..8fa2632cbba 100644
--- a/drivers/hwmon/lm73.c
+++ b/drivers/hwmon/lm73.c
@@ -194,21 +194,8 @@ static struct i2c_driver lm73_driver = {
.address_list = normal_i2c,
};
-/* module glue */
-
-static int __init sensors_lm73_init(void)
-{
- return i2c_add_driver(&lm73_driver);
-}
-
-static void __exit sensors_lm73_exit(void)
-{
- i2c_del_driver(&lm73_driver);
-}
+module_i2c_driver(lm73_driver);
MODULE_AUTHOR("Guillaume Ligneul <guillaume.ligneul@gmail.com>");
MODULE_DESCRIPTION("LM73 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_lm73_init);
-module_exit(sensors_lm73_exit);
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index b3311b1d3d9..a83f206af24 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -438,23 +438,8 @@ abort:
return ret;
}
-/*-----------------------------------------------------------------------*/
-
-/* module glue */
-
-static int __init sensors_lm75_init(void)
-{
- return i2c_add_driver(&lm75_driver);
-}
-
-static void __exit sensors_lm75_exit(void)
-{
- i2c_del_driver(&lm75_driver);
-}
+module_i2c_driver(lm75_driver);
MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>");
MODULE_DESCRIPTION("LM75 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_lm75_init);
-module_exit(sensors_lm75_exit);
diff --git a/drivers/hwmon/lm77.c b/drivers/hwmon/lm77.c
index 8dfc6782d59..0fca8613e7d 100644
--- a/drivers/hwmon/lm77.c
+++ b/drivers/hwmon/lm77.c
@@ -1,29 +1,29 @@
/*
- lm77.c - Part of lm_sensors, Linux kernel modules for hardware
- monitoring
-
- Copyright (c) 2004 Andras BALI <drewie@freemail.hu>
-
- Heavily based on lm75.c by Frodo Looijaard <frodol@dds.nl>. The LM77
- is a temperature sensor and thermal window comparator with 0.5 deg
- resolution made by National Semiconductor. Complete datasheet can be
- obtained at their site:
- http://www.national.com/pf/LM/LM77.html
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * lm77.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ *
+ * Copyright (c) 2004 Andras BALI <drewie@freemail.hu>
+ *
+ * Heavily based on lm75.c by Frodo Looijaard <frodol@dds.nl>. The LM77
+ * is a temperature sensor and thermal window comparator with 0.5 deg
+ * resolution made by National Semiconductor. Complete datasheet can be
+ * obtained at their site:
+ * http://www.national.com/pf/LM/LM77.html
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -49,7 +49,7 @@ static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b,
/* Each client has this additional data */
struct lm77_data {
- struct device *hwmon_dev;
+ struct device *hwmon_dev;
struct mutex update_lock;
char valid;
unsigned long last_updated; /* In jiffies */
@@ -95,8 +95,10 @@ static struct i2c_driver lm77_driver = {
#define LM77_TEMP_MIN (-55000)
#define LM77_TEMP_MAX 125000
-/* In the temperature registers, the low 3 bits are not part of the
- temperature values; they are the status bits. */
+/*
+ * In the temperature registers, the low 3 bits are not part of the
+ * temperature values; they are the status bits.
+ */
static inline s16 LM77_TEMP_TO_REG(int temp)
{
int ntemp = SENSORS_LIMIT(temp, LM77_TEMP_MIN, LM77_TEMP_MAX);
@@ -112,7 +114,9 @@ static inline int LM77_TEMP_FROM_REG(s16 reg)
/* read routines for temperature limits */
#define show(value) \
-static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \
+static ssize_t show_##value(struct device *dev, \
+ struct device_attribute *attr, \
+ char *buf) \
{ \
struct lm77_data *data = lm77_update_device(dev); \
return sprintf(buf, "%d\n", data->value); \
@@ -124,17 +128,20 @@ show(temp_min);
show(temp_max);
/* read routines for hysteresis values */
-static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_crit_hyst(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct lm77_data *data = lm77_update_device(dev);
return sprintf(buf, "%d\n", data->temp_crit - data->temp_hyst);
}
-static ssize_t show_temp_min_hyst(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_min_hyst(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct lm77_data *data = lm77_update_device(dev);
return sprintf(buf, "%d\n", data->temp_min + data->temp_hyst);
}
-static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_max_hyst(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct lm77_data *data = lm77_update_device(dev);
return sprintf(buf, "%d\n", data->temp_max - data->temp_hyst);
@@ -142,29 +149,42 @@ static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute *a
/* write routines */
#define set(value, reg) \
-static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
-{ \
- struct i2c_client *client = to_i2c_client(dev); \
- struct lm77_data *data = i2c_get_clientdata(client); \
- long val = simple_strtol(buf, NULL, 10); \
- \
- mutex_lock(&data->update_lock); \
- data->value = val; \
- lm77_write_value(client, reg, LM77_TEMP_TO_REG(data->value)); \
- mutex_unlock(&data->update_lock); \
- return count; \
+static ssize_t set_##value(struct device *dev, struct device_attribute *attr, \
+ const char *buf, size_t count) \
+{ \
+ struct i2c_client *client = to_i2c_client(dev); \
+ struct lm77_data *data = i2c_get_clientdata(client); \
+ long val; \
+ int err = kstrtol(buf, 10, &val); \
+ if (err) \
+ return err; \
+ \
+ mutex_lock(&data->update_lock); \
+ data->value = val; \
+ lm77_write_value(client, reg, LM77_TEMP_TO_REG(data->value)); \
+ mutex_unlock(&data->update_lock); \
+ return count; \
}
set(temp_min, LM77_REG_TEMP_MIN);
set(temp_max, LM77_REG_TEMP_MAX);
-/* hysteresis is stored as a relative value on the chip, so it has to be
- converted first */
-static ssize_t set_temp_crit_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+/*
+ * hysteresis is stored as a relative value on the chip, so it has to be
+ * converted first
+ */
+static ssize_t set_temp_crit_hyst(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm77_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_hyst = data->temp_crit - val;
@@ -175,13 +195,19 @@ static ssize_t set_temp_crit_hyst(struct device *dev, struct device_attribute *a
}
/* preserve hysteresis when setting T_crit */
-static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm77_data *data = i2c_get_clientdata(client);
- long val = simple_strtoul(buf, NULL, 10);
int oldcrithyst;
-
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
mutex_lock(&data->update_lock);
oldcrithyst = data->temp_crit - data->temp_hyst;
data->temp_crit = val;
@@ -251,17 +277,19 @@ static int lm77_detect(struct i2c_client *new_client,
I2C_FUNC_SMBUS_WORD_DATA))
return -ENODEV;
- /* Here comes the remaining detection. Since the LM77 has no
- register dedicated to identification, we have to rely on the
- following tricks:
-
- 1. the high 4 bits represent the sign and thus they should
- always be the same
- 2. the high 3 bits are unused in the configuration register
- 3. addresses 0x06 and 0x07 return the last read value
- 4. registers cycling over 8-address boundaries
-
- Word-sized registers are high-byte first. */
+ /*
+ * Here comes the remaining detection. Since the LM77 has no
+ * register dedicated to identification, we have to rely on the
+ * following tricks:
+ *
+ * 1. the high 4 bits represent the sign and thus they should
+ * always be the same
+ * 2. the high 3 bits are unused in the configuration register
+ * 3. addresses 0x06 and 0x07 return the last read value
+ * 4. registers cycling over 8-address boundaries
+ *
+ * Word-sized registers are high-byte first.
+ */
/* addresses cycling */
cur = i2c_smbus_read_word_data(new_client, 0);
@@ -330,7 +358,8 @@ static int lm77_probe(struct i2c_client *new_client,
lm77_init_client(new_client);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&new_client->dev.kobj, &lm77_group)))
+ err = sysfs_create_group(&new_client->dev.kobj, &lm77_group);
+ if (err)
goto exit_free;
data->hwmon_dev = hwmon_device_register(&new_client->dev);
@@ -358,8 +387,10 @@ static int lm77_remove(struct i2c_client *client)
return 0;
}
-/* All registers are word-sized, except for the configuration register.
- The LM77 uses the high-byte first convention. */
+/*
+ * All registers are word-sized, except for the configuration register.
+ * The LM77 uses the high-byte first convention.
+ */
static u16 lm77_read_value(struct i2c_client *client, u8 reg)
{
if (reg == LM77_REG_CONF)
@@ -420,19 +451,8 @@ static struct lm77_data *lm77_update_device(struct device *dev)
return data;
}
-static int __init sensors_lm77_init(void)
-{
- return i2c_add_driver(&lm77_driver);
-}
-
-static void __exit sensors_lm77_exit(void)
-{
- i2c_del_driver(&lm77_driver);
-}
+module_i2c_driver(lm77_driver);
MODULE_AUTHOR("Andras BALI <drewie@freemail.hu>");
MODULE_DESCRIPTION("LM77 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_lm77_init);
-module_exit(sensors_lm77_exit);
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index 6df0b468171..f6bc414e1e9 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -1,23 +1,23 @@
/*
- lm78.c - Part of lm_sensors, Linux kernel modules for hardware
- monitoring
- Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
- Copyright (c) 2007, 2011 Jean Delvare <khali@linux-fr.org>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * lm78.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ * Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
+ * Copyright (c) 2007, 2011 Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -74,11 +74,15 @@ enum chips { lm78, lm79 };
#define LM78_REG_I2C_ADDR 0x48
-/* Conversions. Rounding and limit checking is only done on the TO_REG
- variants. */
+/*
+ * Conversions. Rounding and limit checking is only done on the TO_REG
+ * variants.
+ */
-/* IN: mV, (0V to 4.08V)
- REG: 16mV/bit */
+/*
+ * IN: mV (0V to 4.08V)
+ * REG: 16mV/bit
+ */
static inline u8 IN_TO_REG(unsigned long val)
{
unsigned long nval = SENSORS_LIMIT(val, 0, 4080);
@@ -95,15 +99,17 @@ static inline u8 FAN_TO_REG(long rpm, int div)
static inline int FAN_FROM_REG(u8 val, int div)
{
- return val==0 ? -1 : val==255 ? 0 : 1350000/(val*div);
+ return val == 0 ? -1 : val == 255 ? 0 : 1350000 / (val * div);
}
-/* TEMP: mC (-128C to +127C)
- REG: 1C/bit, two's complement */
+/*
+ * TEMP: mC (-128C to +127C)
+ * REG: 1C/bit, two's complement
+ */
static inline s8 TEMP_TO_REG(int val)
{
int nval = SENSORS_LIMIT(val, -128000, 127000) ;
- return nval<0 ? (nval-500)/1000 : (nval+500)/1000;
+ return nval < 0 ? (nval - 500) / 1000 : (nval + 500) / 1000;
}
static inline int TEMP_FROM_REG(s8 val)
@@ -177,8 +183,13 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *da,
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct lm78_data *data = dev_get_drvdata(dev);
- unsigned long val = simple_strtoul(buf, NULL, 10);
int nr = attr->index;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_min[nr] = IN_TO_REG(val);
@@ -192,8 +203,13 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *da,
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct lm78_data *data = dev_get_drvdata(dev);
- unsigned long val = simple_strtoul(buf, NULL, 10);
int nr = attr->index;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_max[nr] = IN_TO_REG(val);
@@ -201,7 +217,7 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *da,
mutex_unlock(&data->update_lock);
return count;
}
-
+
#define show_in_offset(offset) \
static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
show_in, NULL, offset); \
@@ -237,7 +253,12 @@ static ssize_t set_temp_over(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
struct lm78_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_over = TEMP_TO_REG(val);
@@ -257,7 +278,12 @@ static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
struct lm78_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_hyst = TEMP_TO_REG(val);
@@ -280,7 +306,7 @@ static ssize_t show_fan(struct device *dev, struct device_attribute *da,
struct lm78_data *data = lm78_update_device(dev);
int nr = attr->index;
return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
- DIV_FROM_REG(data->fan_div[nr])) );
+ DIV_FROM_REG(data->fan_div[nr])));
}
static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
@@ -289,8 +315,8 @@ static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct lm78_data *data = lm78_update_device(dev);
int nr = attr->index;
- return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr],
- DIV_FROM_REG(data->fan_div[nr])) );
+ return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
+ DIV_FROM_REG(data->fan_div[nr])));
}
static ssize_t set_fan_min(struct device *dev, struct device_attribute *da,
@@ -299,7 +325,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *da,
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct lm78_data *data = dev_get_drvdata(dev);
int nr = attr->index;
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -316,29 +347,44 @@ static ssize_t show_fan_div(struct device *dev, struct device_attribute *da,
return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[attr->index]));
}
-/* Note: we save and restore the fan minimum here, because its value is
- determined in part by the fan divisor. This follows the principle of
- least surprise; the user doesn't expect the fan minimum to change just
- because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor. This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct lm78_data *data = dev_get_drvdata(dev);
int nr = attr->index;
- unsigned long val = simple_strtoul(buf, NULL, 10);
unsigned long min;
u8 reg;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
min = FAN_FROM_REG(data->fan_min[nr],
DIV_FROM_REG(data->fan_div[nr]));
switch (val) {
- case 1: data->fan_div[nr] = 0; break;
- case 2: data->fan_div[nr] = 1; break;
- case 4: data->fan_div[nr] = 2; break;
- case 8: data->fan_div[nr] = 3; break;
+ case 1:
+ data->fan_div[nr] = 0;
+ break;
+ case 2:
+ data->fan_div[nr] = 1;
+ break;
+ case 4:
+ data->fan_div[nr] = 2;
+ break;
+ case 8:
+ data->fan_div[nr] = 3;
+ break;
default:
dev_err(dev, "fan_div value %ld not "
"supported. Choose one of 1, 2, 4 or 8!\n", val);
@@ -484,8 +530,10 @@ static struct platform_device *pdev;
static unsigned short isa_address = 0x290;
-/* I2C devices get this name attribute automatically, but for ISA devices
- we must create it by ourselves. */
+/*
+ * I2C devices get this name attribute automatically, but for ISA devices
+ * we must create it by ourselves.
+ */
static ssize_t show_name(struct device *dev, struct device_attribute
*devattr, char *buf)
{
@@ -515,8 +563,10 @@ static int lm78_alias_detect(struct i2c_client *client, u8 chipid)
if ((lm78_read_value(isa, LM78_REG_CHIPID) & 0xfe) != (chipid & 0xfe))
return 0; /* Chip type doesn't match */
- /* We compare all the limit registers, the config register and the
- * interrupt mask registers */
+ /*
+ * We compare all the limit registers, the config register and the
+ * interrupt mask registers
+ */
for (i = 0x2b; i <= 0x3d; i++) {
if (lm78_read_value(isa, i) !=
i2c_smbus_read_byte_data(client, i))
@@ -558,9 +608,11 @@ static int lm78_i2c_detect(struct i2c_client *client,
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -ENODEV;
- /* We block updates of the ISA device to minimize the risk of
- concurrent access to the same LM78 chip through different
- interfaces. */
+ /*
+ * We block updates of the ISA device to minimize the risk of
+ * concurrent access to the same LM78 chip through different
+ * interfaces.
+ */
if (isa)
mutex_lock(&isa->update_lock);
@@ -669,11 +721,13 @@ static struct i2c_driver lm78_driver = {
.address_list = normal_i2c,
};
-/* The SMBus locks itself, but ISA access must be locked explicitly!
- We don't want to lock the whole ISA bus, so we lock each client
- separately.
- We ignore the LM78 BUSY flag at this moment - it could lead to deadlocks,
- would slow down the LM78 access and should not be necessary. */
+/*
+ * The SMBus locks itself, but ISA access must be locked explicitly!
+ * We don't want to lock the whole ISA bus, so we lock each client
+ * separately.
+ * We ignore the LM78 BUSY flag at this moment - it could lead to deadlocks,
+ * would slow down the LM78 access and should not be necessary.
+ */
static int lm78_read_value(struct lm78_data *data, u8 reg)
{
struct i2c_client *client = data->client;
@@ -691,13 +745,6 @@ static int lm78_read_value(struct lm78_data *data, u8 reg)
return i2c_smbus_read_byte_data(client, reg);
}
-/* The SMBus locks itself, but ISA access muse be locked explicitly!
- We don't want to lock the whole ISA bus, so we lock each client
- separately.
- We ignore the LM78 BUSY flag at this moment - it could lead to deadlocks,
- would slow down the LM78 access and should not be necessary.
- There are some ugly typecasts here, but the good new is - they should
- nowhere else be necessary! */
static int lm78_write_value(struct lm78_data *data, u8 reg, u8 value)
{
struct i2c_client *client = data->client;
@@ -823,8 +870,11 @@ static int __devinit lm78_isa_probe(struct platform_device *pdev)
lm78_init_device(data);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&pdev->dev.kobj, &lm78_group))
- || (err = device_create_file(&pdev->dev, &dev_attr_name)))
+ err = sysfs_create_group(&pdev->dev.kobj, &lm78_group);
+ if (err)
+ goto exit_remove_files;
+ err = device_create_file(&pdev->dev, &dev_attr_name);
+ if (err)
goto exit_remove_files;
data->hwmon_dev = hwmon_device_register(&pdev->dev);
@@ -876,9 +926,11 @@ static int __init lm78_isa_found(unsigned short address)
int val, save, found = 0;
int port;
- /* Some boards declare base+0 to base+7 as a PNP device, some base+4
+ /*
+ * Some boards declare base+0 to base+7 as a PNP device, some base+4
* to base+7 and some base+5 to base+6. So we better request each port
- * individually for the probing phase. */
+ * individually for the probing phase.
+ */
for (port = address; port < address + LM78_EXTENT; port++) {
if (!request_region(port, 1, "lm78")) {
pr_debug("Failed to request port 0x%x\n", port);
@@ -887,8 +939,10 @@ static int __init lm78_isa_found(unsigned short address)
}
#define REALLY_SLOW_IO
- /* We need the timeouts for at least some LM78-like
- chips. But only if we read 'undefined' registers. */
+ /*
+ * We need the timeouts for at least some LM78-like
+ * chips. But only if we read 'undefined' registers.
+ */
val = inb_p(address + 1);
if (inb_p(address + 2) != val
|| inb_p(address + 3) != val
@@ -896,8 +950,10 @@ static int __init lm78_isa_found(unsigned short address)
goto release;
#undef REALLY_SLOW_IO
- /* We should be able to change the 7 LSB of the address port. The
- MSB (busy flag) should be clear initially, set after the write. */
+ /*
+ * We should be able to change the 7 LSB of the address port. The
+ * MSB (busy flag) should be clear initially, set after the write.
+ */
save = inb_p(address + LM78_ADDR_REG_OFFSET);
if (save & 0x80)
goto release;
@@ -1036,8 +1092,10 @@ static int __init sm_lm78_init(void)
{
int res;
- /* We register the ISA device first, so that we can skip the
- * registration of an I2C interface to the same device. */
+ /*
+ * We register the ISA device first, so that we can skip the
+ * registration of an I2C interface to the same device.
+ */
res = lm78_isa_register();
if (res)
goto exit;
diff --git a/drivers/hwmon/lm80.c b/drivers/hwmon/lm80.c
index 0891b38ffec..e2c43e1774b 100644
--- a/drivers/hwmon/lm80.c
+++ b/drivers/hwmon/lm80.c
@@ -1,8 +1,8 @@
/*
* lm80.c - From lm_sensors, Linux kernel modules for hardware
- * monitoring
+ * monitoring
* Copyright (C) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
- * and Philip Edelbrock <phil@netroedge.com>
+ * and Philip Edelbrock <phil@netroedge.com>
*
* Ported to Linux 2.6 by Tiago Sousa <mirage@kaotik.org>
*
@@ -60,11 +60,17 @@ static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d,
#define LM80_REG_FANDIV 0x05
#define LM80_REG_RES 0x06
+#define LM96080_REG_CONV_RATE 0x07
+#define LM96080_REG_MAN_ID 0x3e
+#define LM96080_REG_DEV_ID 0x3f
-/* Conversions. Rounding and limit checking is only done on the TO_REG
- variants. Note that you should be a bit careful with which arguments
- these macros are called: arguments may be evaluated more than once.
- Fixing this is just not worth it. */
+
+/*
+ * Conversions. Rounding and limit checking is only done on the TO_REG
+ * variants. Note that you should be a bit careful with which arguments
+ * these macros are called: arguments may be evaluated more than once.
+ * Fixing this is just not worth it.
+ */
#define IN_TO_REG(val) (SENSORS_LIMIT(((val) + 5) / 10, 0, 255))
#define IN_FROM_REG(val) ((val) * 10)
@@ -108,6 +114,7 @@ static inline long TEMP_FROM_REG(u16 temp)
struct lm80_data {
struct device *hwmon_dev;
struct mutex update_lock;
+ char error; /* !=0 if error occurred during last update */
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@@ -144,6 +151,7 @@ static int lm80_write_value(struct i2c_client *client, u8 reg, u8 value);
static const struct i2c_device_id lm80_id[] = {
{ "lm80", 0 },
+ { "lm96080", 1 },
{ }
};
MODULE_DEVICE_TABLE(i2c, lm80_id);
@@ -170,6 +178,8 @@ static ssize_t show_in_##suffix(struct device *dev, \
{ \
int nr = to_sensor_dev_attr(attr)->index; \
struct lm80_data *data = lm80_update_device(dev); \
+ if (IS_ERR(data)) \
+ return PTR_ERR(data); \
return sprintf(buf, "%d\n", IN_FROM_REG(data->value[nr])); \
}
show_in(min, in_min)
@@ -183,7 +193,10 @@ static ssize_t set_in_##suffix(struct device *dev, \
int nr = to_sensor_dev_attr(attr)->index; \
struct i2c_client *client = to_i2c_client(dev); \
struct lm80_data *data = i2c_get_clientdata(client); \
- long val = simple_strtol(buf, NULL, 10); \
+ long val; \
+ int err = kstrtol(buf, 10, &val); \
+ if (err < 0) \
+ return err; \
\
mutex_lock(&data->update_lock);\
data->value[nr] = IN_TO_REG(val); \
@@ -200,6 +213,8 @@ static ssize_t show_fan_##suffix(struct device *dev, \
{ \
int nr = to_sensor_dev_attr(attr)->index; \
struct lm80_data *data = lm80_update_device(dev); \
+ if (IS_ERR(data)) \
+ return PTR_ERR(data); \
return sprintf(buf, "%d\n", FAN_FROM_REG(data->value[nr], \
DIV_FROM_REG(data->fan_div[nr]))); \
}
@@ -211,6 +226,8 @@ static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm80_data *data = lm80_update_device(dev);
+ if (IS_ERR(data))
+ return PTR_ERR(data);
return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
}
@@ -220,7 +237,10 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm80_data *data = i2c_get_clientdata(client);
- long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err = kstrtoul(buf, 10, &val);
+ if (err < 0)
+ return err;
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -229,18 +249,23 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
return count;
}
-/* Note: we save and restore the fan minimum here, because its value is
- determined in part by the fan divisor. This follows the principle of
- least surprise; the user doesn't expect the fan minimum to change just
- because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor. This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm80_data *data = i2c_get_clientdata(client);
- unsigned long min, val = simple_strtoul(buf, NULL, 10);
+ unsigned long min, val;
u8 reg;
+ int err = kstrtoul(buf, 10, &val);
+ if (err < 0)
+ return err;
/* Save fan_min */
mutex_lock(&data->update_lock);
@@ -283,6 +308,8 @@ static ssize_t show_temp_input1(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct lm80_data *data = lm80_update_device(dev);
+ if (IS_ERR(data))
+ return PTR_ERR(data);
return sprintf(buf, "%ld\n", TEMP_FROM_REG(data->temp));
}
@@ -291,6 +318,8 @@ static ssize_t show_temp_##suffix(struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
struct lm80_data *data = lm80_update_device(dev); \
+ if (IS_ERR(data)) \
+ return PTR_ERR(data); \
return sprintf(buf, "%d\n", TEMP_LIMIT_FROM_REG(data->value)); \
}
show_temp(hot_max, temp_hot_max);
@@ -304,7 +333,10 @@ static ssize_t set_temp_##suffix(struct device *dev, \
{ \
struct i2c_client *client = to_i2c_client(dev); \
struct lm80_data *data = i2c_get_clientdata(client); \
- long val = simple_strtoul(buf, NULL, 10); \
+ long val; \
+ int err = kstrtol(buf, 10, &val); \
+ if (err < 0) \
+ return err; \
\
mutex_lock(&data->update_lock); \
data->value = TEMP_LIMIT_TO_REG(val); \
@@ -321,6 +353,8 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct lm80_data *data = lm80_update_device(dev);
+ if (IS_ERR(data))
+ return PTR_ERR(data);
return sprintf(buf, "%u\n", data->alarms);
}
@@ -329,6 +363,8 @@ static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
{
int bitnr = to_sensor_dev_attr(attr)->index;
struct lm80_data *data = lm80_update_device(dev);
+ if (IS_ERR(data))
+ return PTR_ERR(data);
return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
}
@@ -459,23 +495,44 @@ static const struct attribute_group lm80_group = {
static int lm80_detect(struct i2c_client *client, struct i2c_board_info *info)
{
struct i2c_adapter *adapter = client->adapter;
- int i, cur;
+ int i, cur, man_id, dev_id;
+ const char *name = NULL;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -ENODEV;
- /* Now, we do the remaining detection. It is lousy. */
- if (lm80_read_value(client, LM80_REG_ALARM2) & 0xc0)
+ /* First check for unused bits, common to both chip types */
+ if ((lm80_read_value(client, LM80_REG_ALARM2) & 0xc0)
+ || (lm80_read_value(client, LM80_REG_CONFIG) & 0x80))
return -ENODEV;
- for (i = 0x2a; i <= 0x3d; i++) {
- cur = i2c_smbus_read_byte_data(client, i);
- if ((i2c_smbus_read_byte_data(client, i + 0x40) != cur)
- || (i2c_smbus_read_byte_data(client, i + 0x80) != cur)
- || (i2c_smbus_read_byte_data(client, i + 0xc0) != cur))
+
+ /*
+ * The LM96080 has manufacturer and stepping/die rev registers so we
+ * can just check that. The LM80 does not have such registers so we
+ * have to use a more expensive trick.
+ */
+ man_id = lm80_read_value(client, LM96080_REG_MAN_ID);
+ dev_id = lm80_read_value(client, LM96080_REG_DEV_ID);
+ if (man_id == 0x01 && dev_id == 0x08) {
+ /* Check more unused bits for confirmation */
+ if (lm80_read_value(client, LM96080_REG_CONV_RATE) & 0xfe)
return -ENODEV;
+
+ name = "lm96080";
+ } else {
+ /* Check 6-bit addressing */
+ for (i = 0x2a; i <= 0x3d; i++) {
+ cur = i2c_smbus_read_byte_data(client, i);
+ if ((i2c_smbus_read_byte_data(client, i + 0x40) != cur)
+ || (i2c_smbus_read_byte_data(client, i + 0x80) != cur)
+ || (i2c_smbus_read_byte_data(client, i + 0xc0) != cur))
+ return -ENODEV;
+ }
+
+ name = "lm80";
}
- strlcpy(info->type, "lm80", I2C_NAME_SIZE);
+ strlcpy(info->type, name, I2C_NAME_SIZE);
return 0;
}
@@ -547,9 +604,11 @@ static int lm80_write_value(struct i2c_client *client, u8 reg, u8 value)
/* Called when we have found a new LM80. */
static void lm80_init_client(struct i2c_client *client)
{
- /* Reset all except Watchdog values and last conversion values
- This sets fan-divs to 2, among others. This makes most other
- initializations unnecessary */
+ /*
+ * Reset all except Watchdog values and last conversion values
+ * This sets fan-divs to 2, among others. This makes most other
+ * initializations unnecessary
+ */
lm80_write_value(client, LM80_REG_CONFIG, 0x80);
/* Set 11-bit temperature resolution */
lm80_write_value(client, LM80_REG_RES, 0x08);
@@ -563,66 +622,116 @@ static struct lm80_data *lm80_update_device(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct lm80_data *data = i2c_get_clientdata(client);
int i;
+ int rv;
+ int prev_rv;
+ struct lm80_data *ret = data;
mutex_lock(&data->update_lock);
+ if (data->error)
+ lm80_init_client(client);
+
if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) {
dev_dbg(&client->dev, "Starting lm80 update\n");
for (i = 0; i <= 6; i++) {
- data->in[i] =
- lm80_read_value(client, LM80_REG_IN(i));
- data->in_min[i] =
- lm80_read_value(client, LM80_REG_IN_MIN(i));
- data->in_max[i] =
- lm80_read_value(client, LM80_REG_IN_MAX(i));
+ rv = lm80_read_value(client, LM80_REG_IN(i));
+ if (rv < 0)
+ goto abort;
+ data->in[i] = rv;
+
+ rv = lm80_read_value(client, LM80_REG_IN_MIN(i));
+ if (rv < 0)
+ goto abort;
+ data->in_min[i] = rv;
+
+ rv = lm80_read_value(client, LM80_REG_IN_MAX(i));
+ if (rv < 0)
+ goto abort;
+ data->in_max[i] = rv;
}
- data->fan[0] = lm80_read_value(client, LM80_REG_FAN1);
- data->fan_min[0] =
- lm80_read_value(client, LM80_REG_FAN_MIN(1));
- data->fan[1] = lm80_read_value(client, LM80_REG_FAN2);
- data->fan_min[1] =
- lm80_read_value(client, LM80_REG_FAN_MIN(2));
-
- data->temp =
- (lm80_read_value(client, LM80_REG_TEMP) << 8) |
- (lm80_read_value(client, LM80_REG_RES) & 0xf0);
- data->temp_os_max =
- lm80_read_value(client, LM80_REG_TEMP_OS_MAX);
- data->temp_os_hyst =
- lm80_read_value(client, LM80_REG_TEMP_OS_HYST);
- data->temp_hot_max =
- lm80_read_value(client, LM80_REG_TEMP_HOT_MAX);
- data->temp_hot_hyst =
- lm80_read_value(client, LM80_REG_TEMP_HOT_HYST);
-
- i = lm80_read_value(client, LM80_REG_FANDIV);
- data->fan_div[0] = (i >> 2) & 0x03;
- data->fan_div[1] = (i >> 4) & 0x03;
- data->alarms = lm80_read_value(client, LM80_REG_ALARM1) +
- (lm80_read_value(client, LM80_REG_ALARM2) << 8);
+
+ rv = lm80_read_value(client, LM80_REG_FAN1);
+ if (rv < 0)
+ goto abort;
+ data->fan[0] = rv;
+
+ rv = lm80_read_value(client, LM80_REG_FAN_MIN(1));
+ if (rv < 0)
+ goto abort;
+ data->fan_min[0] = rv;
+
+ rv = lm80_read_value(client, LM80_REG_FAN2);
+ if (rv < 0)
+ goto abort;
+ data->fan[1] = rv;
+
+ rv = lm80_read_value(client, LM80_REG_FAN_MIN(2));
+ if (rv < 0)
+ goto abort;
+ data->fan_min[1] = rv;
+
+ prev_rv = rv = lm80_read_value(client, LM80_REG_TEMP);
+ if (rv < 0)
+ goto abort;
+ rv = lm80_read_value(client, LM80_REG_RES);
+ if (rv < 0)
+ goto abort;
+ data->temp = (prev_rv << 8) | (rv & 0xf0);
+
+ rv = lm80_read_value(client, LM80_REG_TEMP_OS_MAX);
+ if (rv < 0)
+ goto abort;
+ data->temp_os_max = rv;
+
+ rv = lm80_read_value(client, LM80_REG_TEMP_OS_HYST);
+ if (rv < 0)
+ goto abort;
+ data->temp_os_hyst = rv;
+
+ rv = lm80_read_value(client, LM80_REG_TEMP_HOT_MAX);
+ if (rv < 0)
+ goto abort;
+ data->temp_hot_max = rv;
+
+ rv = lm80_read_value(client, LM80_REG_TEMP_HOT_HYST);
+ if (rv < 0)
+ goto abort;
+ data->temp_hot_hyst = rv;
+
+ rv = lm80_read_value(client, LM80_REG_FANDIV);
+ if (rv < 0)
+ goto abort;
+ data->fan_div[0] = (rv >> 2) & 0x03;
+ data->fan_div[1] = (rv >> 4) & 0x03;
+
+ prev_rv = rv = lm80_read_value(client, LM80_REG_ALARM1);
+ if (rv < 0)
+ goto abort;
+ rv = lm80_read_value(client, LM80_REG_ALARM2);
+ if (rv < 0)
+ goto abort;
+ data->alarms = prev_rv + (rv << 8);
+
data->last_updated = jiffies;
data->valid = 1;
+ data->error = 0;
}
+ goto done;
+
+abort:
+ ret = ERR_PTR(rv);
+ data->valid = 0;
+ data->error = 1;
+done:
mutex_unlock(&data->update_lock);
- return data;
+ return ret;
}
-static int __init sensors_lm80_init(void)
-{
- return i2c_add_driver(&lm80_driver);
-}
-
-static void __exit sensors_lm80_exit(void)
-{
- i2c_del_driver(&lm80_driver);
-}
+module_i2c_driver(lm80_driver);
MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl> and "
"Philip Edelbrock <phil@netroedge.com>");
MODULE_DESCRIPTION("LM80 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_lm80_init);
-module_exit(sensors_lm80_exit);
diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c
index 8290476aee4..cd45b9d8558 100644
--- a/drivers/hwmon/lm83.c
+++ b/drivers/hwmon/lm83.c
@@ -124,7 +124,7 @@ static struct lm83_data *lm83_update_device(struct device *dev);
/*
* Driver data (common to all clients)
*/
-
+
static const struct i2c_device_id lm83_id[] = {
{ "lm83", lm83 },
{ "lm82", lm82 },
@@ -179,8 +179,13 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *devattr,
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct lm83_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
int nr = attr->index;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err < 0)
+ return err;
mutex_lock(&data->update_lock);
data->temp[nr] = TEMP_TO_REG(val);
@@ -355,12 +360,14 @@ static int lm83_probe(struct i2c_client *new_client,
* declare 1 and 3 common, and then 2 and 4 only for the LM83.
*/
- if ((err = sysfs_create_group(&new_client->dev.kobj, &lm83_group)))
+ err = sysfs_create_group(&new_client->dev.kobj, &lm83_group);
+ if (err)
goto exit_free;
if (id->driver_data == lm83) {
- if ((err = sysfs_create_group(&new_client->dev.kobj,
- &lm83_group_opt)))
+ err = sysfs_create_group(&new_client->dev.kobj,
+ &lm83_group_opt);
+ if (err)
goto exit_remove_files;
}
@@ -423,19 +430,8 @@ static struct lm83_data *lm83_update_device(struct device *dev)
return data;
}
-static int __init sensors_lm83_init(void)
-{
- return i2c_add_driver(&lm83_driver);
-}
-
-static void __exit sensors_lm83_exit(void)
-{
- i2c_del_driver(&lm83_driver);
-}
+module_i2c_driver(lm83_driver);
MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
MODULE_DESCRIPTION("LM83 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_lm83_init);
-module_exit(sensors_lm83_exit);
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index da72dc12068..864c7d999e0 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -1,28 +1,28 @@
/*
- lm85.c - Part of lm_sensors, Linux kernel modules for hardware
- monitoring
- Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
- Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
- Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de>
- Copyright (c) 2004 Justin Thiessen <jthiessen@penguincomputing.com>
- Copyright (C) 2007--2009 Jean Delvare <khali@linux-fr.org>
-
- Chip details at <http://www.national.com/ds/LM/LM85.pdf>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * lm85.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ * Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
+ * Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
+ * Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de>
+ * Copyright (c) 2004 Justin Thiessen <jthiessen@penguincomputing.com>
+ * Copyright (C) 2007--2009 Jean Delvare <khali@linux-fr.org>
+ *
+ * Chip details at <http://www.national.com/ds/LM/LM85.pdf>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -46,88 +46,89 @@ enum chips {
/* The LM85 registers */
-#define LM85_REG_IN(nr) (0x20 + (nr))
-#define LM85_REG_IN_MIN(nr) (0x44 + (nr) * 2)
-#define LM85_REG_IN_MAX(nr) (0x45 + (nr) * 2)
+#define LM85_REG_IN(nr) (0x20 + (nr))
+#define LM85_REG_IN_MIN(nr) (0x44 + (nr) * 2)
+#define LM85_REG_IN_MAX(nr) (0x45 + (nr) * 2)
-#define LM85_REG_TEMP(nr) (0x25 + (nr))
-#define LM85_REG_TEMP_MIN(nr) (0x4e + (nr) * 2)
-#define LM85_REG_TEMP_MAX(nr) (0x4f + (nr) * 2)
+#define LM85_REG_TEMP(nr) (0x25 + (nr))
+#define LM85_REG_TEMP_MIN(nr) (0x4e + (nr) * 2)
+#define LM85_REG_TEMP_MAX(nr) (0x4f + (nr) * 2)
/* Fan speeds are LSB, MSB (2 bytes) */
-#define LM85_REG_FAN(nr) (0x28 + (nr) * 2)
-#define LM85_REG_FAN_MIN(nr) (0x54 + (nr) * 2)
+#define LM85_REG_FAN(nr) (0x28 + (nr) * 2)
+#define LM85_REG_FAN_MIN(nr) (0x54 + (nr) * 2)
-#define LM85_REG_PWM(nr) (0x30 + (nr))
+#define LM85_REG_PWM(nr) (0x30 + (nr))
-#define LM85_REG_COMPANY 0x3e
-#define LM85_REG_VERSTEP 0x3f
+#define LM85_REG_COMPANY 0x3e
+#define LM85_REG_VERSTEP 0x3f
-#define ADT7468_REG_CFG5 0x7c
-#define ADT7468_OFF64 (1 << 0)
-#define ADT7468_HFPWM (1 << 1)
-#define IS_ADT7468_OFF64(data) \
+#define ADT7468_REG_CFG5 0x7c
+#define ADT7468_OFF64 (1 << 0)
+#define ADT7468_HFPWM (1 << 1)
+#define IS_ADT7468_OFF64(data) \
((data)->type == adt7468 && !((data)->cfg5 & ADT7468_OFF64))
-#define IS_ADT7468_HFPWM(data) \
+#define IS_ADT7468_HFPWM(data) \
((data)->type == adt7468 && !((data)->cfg5 & ADT7468_HFPWM))
/* These are the recognized values for the above regs */
-#define LM85_COMPANY_NATIONAL 0x01
-#define LM85_COMPANY_ANALOG_DEV 0x41
-#define LM85_COMPANY_SMSC 0x5c
-#define LM85_VERSTEP_VMASK 0xf0
-#define LM85_VERSTEP_GENERIC 0x60
-#define LM85_VERSTEP_GENERIC2 0x70
-#define LM85_VERSTEP_LM85C 0x60
-#define LM85_VERSTEP_LM85B 0x62
-#define LM85_VERSTEP_LM96000_1 0x68
-#define LM85_VERSTEP_LM96000_2 0x69
-#define LM85_VERSTEP_ADM1027 0x60
-#define LM85_VERSTEP_ADT7463 0x62
-#define LM85_VERSTEP_ADT7463C 0x6A
-#define LM85_VERSTEP_ADT7468_1 0x71
-#define LM85_VERSTEP_ADT7468_2 0x72
-#define LM85_VERSTEP_EMC6D100_A0 0x60
-#define LM85_VERSTEP_EMC6D100_A1 0x61
-#define LM85_VERSTEP_EMC6D102 0x65
-#define LM85_VERSTEP_EMC6D103_A0 0x68
-#define LM85_VERSTEP_EMC6D103_A1 0x69
-#define LM85_VERSTEP_EMC6D103S 0x6A /* Also known as EMC6D103:A2 */
-
-#define LM85_REG_CONFIG 0x40
-
-#define LM85_REG_ALARM1 0x41
-#define LM85_REG_ALARM2 0x42
-
-#define LM85_REG_VID 0x43
+#define LM85_COMPANY_NATIONAL 0x01
+#define LM85_COMPANY_ANALOG_DEV 0x41
+#define LM85_COMPANY_SMSC 0x5c
+#define LM85_VERSTEP_VMASK 0xf0
+#define LM85_VERSTEP_GENERIC 0x60
+#define LM85_VERSTEP_GENERIC2 0x70
+#define LM85_VERSTEP_LM85C 0x60
+#define LM85_VERSTEP_LM85B 0x62
+#define LM85_VERSTEP_LM96000_1 0x68
+#define LM85_VERSTEP_LM96000_2 0x69
+#define LM85_VERSTEP_ADM1027 0x60
+#define LM85_VERSTEP_ADT7463 0x62
+#define LM85_VERSTEP_ADT7463C 0x6A
+#define LM85_VERSTEP_ADT7468_1 0x71
+#define LM85_VERSTEP_ADT7468_2 0x72
+#define LM85_VERSTEP_EMC6D100_A0 0x60
+#define LM85_VERSTEP_EMC6D100_A1 0x61
+#define LM85_VERSTEP_EMC6D102 0x65
+#define LM85_VERSTEP_EMC6D103_A0 0x68
+#define LM85_VERSTEP_EMC6D103_A1 0x69
+#define LM85_VERSTEP_EMC6D103S 0x6A /* Also known as EMC6D103:A2 */
+
+#define LM85_REG_CONFIG 0x40
+
+#define LM85_REG_ALARM1 0x41
+#define LM85_REG_ALARM2 0x42
+
+#define LM85_REG_VID 0x43
/* Automated FAN control */
-#define LM85_REG_AFAN_CONFIG(nr) (0x5c + (nr))
-#define LM85_REG_AFAN_RANGE(nr) (0x5f + (nr))
-#define LM85_REG_AFAN_SPIKE1 0x62
-#define LM85_REG_AFAN_MINPWM(nr) (0x64 + (nr))
-#define LM85_REG_AFAN_LIMIT(nr) (0x67 + (nr))
-#define LM85_REG_AFAN_CRITICAL(nr) (0x6a + (nr))
-#define LM85_REG_AFAN_HYST1 0x6d
-#define LM85_REG_AFAN_HYST2 0x6e
-
-#define ADM1027_REG_EXTEND_ADC1 0x76
-#define ADM1027_REG_EXTEND_ADC2 0x77
+#define LM85_REG_AFAN_CONFIG(nr) (0x5c + (nr))
+#define LM85_REG_AFAN_RANGE(nr) (0x5f + (nr))
+#define LM85_REG_AFAN_SPIKE1 0x62
+#define LM85_REG_AFAN_MINPWM(nr) (0x64 + (nr))
+#define LM85_REG_AFAN_LIMIT(nr) (0x67 + (nr))
+#define LM85_REG_AFAN_CRITICAL(nr) (0x6a + (nr))
+#define LM85_REG_AFAN_HYST1 0x6d
+#define LM85_REG_AFAN_HYST2 0x6e
+
+#define ADM1027_REG_EXTEND_ADC1 0x76
+#define ADM1027_REG_EXTEND_ADC2 0x77
#define EMC6D100_REG_ALARM3 0x7d
/* IN5, IN6 and IN7 */
-#define EMC6D100_REG_IN(nr) (0x70 + ((nr) - 5))
-#define EMC6D100_REG_IN_MIN(nr) (0x73 + ((nr) - 5) * 2)
-#define EMC6D100_REG_IN_MAX(nr) (0x74 + ((nr) - 5) * 2)
-#define EMC6D102_REG_EXTEND_ADC1 0x85
-#define EMC6D102_REG_EXTEND_ADC2 0x86
-#define EMC6D102_REG_EXTEND_ADC3 0x87
-#define EMC6D102_REG_EXTEND_ADC4 0x88
-
-
-/* Conversions. Rounding and limit checking is only done on the TO_REG
- variants. Note that you should be a bit careful with which arguments
- these macros are called: arguments may be evaluated more than once.
+#define EMC6D100_REG_IN(nr) (0x70 + ((nr) - 5))
+#define EMC6D100_REG_IN_MIN(nr) (0x73 + ((nr) - 5) * 2)
+#define EMC6D100_REG_IN_MAX(nr) (0x74 + ((nr) - 5) * 2)
+#define EMC6D102_REG_EXTEND_ADC1 0x85
+#define EMC6D102_REG_EXTEND_ADC2 0x86
+#define EMC6D102_REG_EXTEND_ADC3 0x87
+#define EMC6D102_REG_EXTEND_ADC4 0x88
+
+
+/*
+ * Conversions. Rounding and limit checking is only done on the TO_REG
+ * variants. Note that you should be a bit careful with which arguments
+ * these macros are called: arguments may be evaluated more than once.
*/
/* IN are scaled according to built-in resistors */
@@ -166,7 +167,8 @@ static inline u16 FAN_TO_REG(unsigned long val)
#define PWM_FROM_REG(val) (val)
-/* ZONEs have the following parameters:
+/*
+ * ZONEs have the following parameters:
* Limit (low) temp, 1. degC
* Hysteresis (below limit), 1. degC (0-15)
* Range of speed control, .1 degC (2-80)
@@ -228,7 +230,8 @@ static int FREQ_FROM_REG(const int *map, u8 reg)
return map[reg & 0x07];
}
-/* Since we can't use strings, I'm abusing these numbers
+/*
+ * Since we can't use strings, I'm abusing these numbers
* to stand in for the following meanings:
* 1 -- PWM responds to Zone 1
* 2 -- PWM responds to Zone 2
@@ -258,7 +261,8 @@ static int ZONE_TO_REG(int zone)
#define HYST_TO_REG(val) SENSORS_LIMIT(((val) + 500) / 1000, 0, 15)
#define HYST_FROM_REG(val) ((val) * 1000)
-/* Chip sampling rates
+/*
+ * Chip sampling rates
*
* Some sensors are not updated more frequently than once per second
* so it doesn't make sense to read them more often than that.
@@ -274,7 +278,8 @@ static int ZONE_TO_REG(int zone)
#define LM85_DATA_INTERVAL (HZ + HZ / 2)
#define LM85_CONFIG_INTERVAL (1 * 60 * HZ)
-/* LM85 can automatically adjust fan speeds based on temperature
+/*
+ * LM85 can automatically adjust fan speeds based on temperature
* This structure encapsulates an entire Zone config. There are
* three zones (one for each temperature input) on the lm85
*/
@@ -283,7 +288,8 @@ struct lm85_zone {
u8 hyst; /* Low limit hysteresis. (0-15) */
u8 range; /* Temp range, encoded */
s8 critical; /* "All fans ON" temp limit */
- u8 max_desired; /* Actual "max" temperature specified. Preserved
+ u8 max_desired; /*
+ * Actual "max" temperature specified. Preserved
* to prevent "drift" as other autofan control
* values change.
*/
@@ -295,8 +301,10 @@ struct lm85_autofan {
u8 min_off; /* Min PWM or OFF below "limit", flag */
};
-/* For each registered chip, we need to keep some data in memory.
- The structure is dynamically allocated. */
+/*
+ * For each registered chip, we need to keep some data in memory.
+ * The structure is dynamically allocated.
+ */
struct lm85_data {
struct device *hwmon_dev;
const int *freq_map;
@@ -391,7 +399,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val);
@@ -443,7 +456,14 @@ static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct lm85_data *data = dev_get_drvdata(dev);
- data->vrm = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
+ data->vrm = val;
return count;
}
@@ -500,7 +520,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->pwm[nr] = PWM_TO_REG(val);
@@ -537,8 +562,13 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
u8 config;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
switch (val) {
case 0:
@@ -548,8 +578,10 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute
config = 7;
break;
case 2:
- /* Here we have to choose arbitrarily one of the 5 possible
- configurations; I go for the safest */
+ /*
+ * Here we have to choose arbitrarily one of the 5 possible
+ * configurations; I go for the safest
+ */
config = 6;
break;
default:
@@ -588,12 +620,19 @@ static ssize_t set_pwm_freq(struct device *dev,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
- /* The ADT7468 has a special high-frequency PWM output mode,
+ /*
+ * The ADT7468 has a special high-frequency PWM output mode,
* where all PWM outputs are driven by a 22.5 kHz clock.
- * This might confuse the user, but there's not much we can do. */
+ * This might confuse the user, but there's not much we can do.
+ */
if (data->type == adt7468 && val >= 11300) { /* High freq. mode */
data->cfg5 &= ~ADT7468_HFPWM;
lm85_write_value(client, ADT7468_REG_CFG5, data->cfg5);
@@ -648,7 +687,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_min[nr] = INS_TO_REG(nr, val);
@@ -671,7 +715,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_max[nr] = INS_TO_REG(nr, val);
@@ -722,7 +771,12 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
if (IS_ADT7468_OFF64(data))
val += 64;
@@ -748,7 +802,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
if (IS_ADT7468_OFF64(data))
val += 64;
@@ -789,7 +848,12 @@ static ssize_t set_pwm_auto_channels(struct device *dev,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->autofan[nr].config = (data->autofan[nr].config & (~0xe0))
@@ -814,7 +878,12 @@ static ssize_t set_pwm_auto_pwm_min(struct device *dev,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->autofan[nr].min_pwm = PWM_TO_REG(val);
@@ -838,8 +907,13 @@ static ssize_t set_pwm_auto_pwm_minctl(struct device *dev,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
u8 tmp;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->autofan[nr].min_off = val;
@@ -885,7 +959,12 @@ static ssize_t set_temp_auto_temp_off(struct device *dev,
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
int min;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
min = TEMP_FROM_REG(data->zone[nr].limit);
@@ -916,7 +995,12 @@ static ssize_t set_temp_auto_temp_min(struct device *dev,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->zone[nr].limit = TEMP_TO_REG(val);
@@ -951,7 +1035,12 @@ static ssize_t set_temp_auto_temp_max(struct device *dev,
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
int min;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
min = TEMP_FROM_REG(data->zone[nr].limit);
@@ -979,7 +1068,12 @@ static ssize_t set_temp_auto_temp_crit(struct device *dev,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->zone[nr].critical = TEMP_TO_REG(val);
@@ -1338,24 +1432,28 @@ static int lm85_probe(struct i2c_client *client,
goto err_remove_files;
}
- /* The ADT7463/68 have an optional VRM 10 mode where pin 21 is used
- as a sixth digital VID input rather than an analog input. */
+ /*
+ * The ADT7463/68 have an optional VRM 10 mode where pin 21 is used
+ * as a sixth digital VID input rather than an analog input.
+ */
if (data->type == adt7463 || data->type == adt7468) {
u8 vid = lm85_read_value(client, LM85_REG_VID);
if (vid & 0x80)
data->has_vid5 = true;
}
- if (!data->has_vid5)
- if ((err = sysfs_create_group(&client->dev.kobj,
- &lm85_group_in4)))
+ if (!data->has_vid5) {
+ err = sysfs_create_group(&client->dev.kobj, &lm85_group_in4);
+ if (err)
goto err_remove_files;
+ }
/* The EMC6D100 has 3 additional voltage inputs */
- if (data->type == emc6d100)
- if ((err = sysfs_create_group(&client->dev.kobj,
- &lm85_group_in567)))
+ if (data->type == emc6d100) {
+ err = sysfs_create_group(&client->dev.kobj, &lm85_group_in567);
+ if (err)
goto err_remove_files;
+ }
data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
@@ -1443,7 +1541,8 @@ static struct lm85_data *lm85_update_device(struct device *dev)
/* Things that change quickly */
dev_dbg(&client->dev, "Reading sensor values\n");
- /* Have to read extended bits first to "freeze" the
+ /*
+ * Have to read extended bits first to "freeze" the
* more significant bits that are read later.
* There are 2 additional resolution bits per channel and we
* have room for 4, so we shift them to the left.
@@ -1503,9 +1602,10 @@ static struct lm85_data *lm85_update_device(struct device *dev)
EMC6D100_REG_ALARM3) << 16;
} else if (data->type == emc6d102 || data->type == emc6d103 ||
data->type == emc6d103s) {
- /* Have to read LSB bits after the MSB ones because
- the reading of the MSB bits has frozen the
- LSBs (backward from the ADM1027).
+ /*
+ * Have to read LSB bits after the MSB ones because
+ * the reading of the MSB bits has frozen the
+ * LSBs (backward from the ADM1027).
*/
int ext1 = lm85_read_value(client,
EMC6D102_REG_EXTEND_ADC1);
@@ -1611,22 +1711,10 @@ static struct lm85_data *lm85_update_device(struct device *dev)
return data;
}
-
-static int __init sm_lm85_init(void)
-{
- return i2c_add_driver(&lm85_driver);
-}
-
-static void __exit sm_lm85_exit(void)
-{
- i2c_del_driver(&lm85_driver);
-}
+module_i2c_driver(lm85_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
"Margit Schubert-While <margitsw@t-online.de>, "
"Justin Thiessen <jthiessen@penguincomputing.com>");
MODULE_DESCRIPTION("LM85-B, LM85-C driver");
-
-module_init(sm_lm85_init);
-module_exit(sm_lm85_exit);
diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c
index f1e6e7512ff..314d147bf1a 100644
--- a/drivers/hwmon/lm87.c
+++ b/drivers/hwmon/lm87.c
@@ -119,20 +119,21 @@ static u8 LM87_REG_TEMP_LOW[3] = { 0x3A, 0x38, 0x2C };
* The LM87 uses signed 8-bit values for temperatures.
*/
-#define IN_FROM_REG(reg,scale) (((reg) * (scale) + 96) / 192)
-#define IN_TO_REG(val,scale) ((val) <= 0 ? 0 : \
+#define IN_FROM_REG(reg, scale) (((reg) * (scale) + 96) / 192)
+#define IN_TO_REG(val, scale) ((val) <= 0 ? 0 : \
(val) * 192 >= (scale) * 255 ? 255 : \
- ((val) * 192 + (scale)/2) / (scale))
+ ((val) * 192 + (scale) / 2) / (scale))
#define TEMP_FROM_REG(reg) ((reg) * 1000)
#define TEMP_TO_REG(val) ((val) <= -127500 ? -128 : \
(val) >= 126500 ? 127 : \
- (((val) < 0 ? (val)-500 : (val)+500) / 1000))
+ (((val) < 0 ? (val) - 500 : \
+ (val) + 500) / 1000))
-#define FAN_FROM_REG(reg,div) ((reg) == 255 || (reg) == 0 ? 0 : \
- (1350000 + (reg)*(div) / 2) / ((reg)*(div)))
-#define FAN_TO_REG(val,div) ((val)*(div) * 255 <= 1350000 ? 255 : \
- (1350000 + (val)*(div) / 2) / ((val)*(div)))
+#define FAN_FROM_REG(reg, div) ((reg) == 255 || (reg) == 0 ? 0 : \
+ (1350000 + (reg)*(div) / 2) / ((reg) * (div)))
+#define FAN_TO_REG(val, div) ((val) * (div) * 255 <= 1350000 ? 255 : \
+ (1350000 + (val)*(div) / 2) / ((val) * (div)))
#define FAN_DIV_FROM_REG(reg) (1 << (reg))
@@ -149,41 +150,6 @@ static u8 LM87_REG_TEMP_LOW[3] = { 0x3A, 0x38, 0x2C };
#define CHAN_NO_VID (1 << 7)
/*
- * Functions declaration
- */
-
-static int lm87_probe(struct i2c_client *client,
- const struct i2c_device_id *id);
-static int lm87_detect(struct i2c_client *new_client,
- struct i2c_board_info *info);
-static void lm87_init_client(struct i2c_client *client);
-static int lm87_remove(struct i2c_client *client);
-static struct lm87_data *lm87_update_device(struct device *dev);
-
-/*
- * Driver data (common to all clients)
- */
-
-static const struct i2c_device_id lm87_id[] = {
- { "lm87", lm87 },
- { "adm1024", adm1024 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, lm87_id);
-
-static struct i2c_driver lm87_driver = {
- .class = I2C_CLASS_HWMON,
- .driver = {
- .name = "lm87",
- },
- .probe = lm87_probe,
- .remove = lm87_remove,
- .id_table = lm87_id,
- .detect = lm87_detect,
- .address_list = normal_i2c,
-};
-
-/*
* Client data (each client gets its own)
*/
@@ -217,10 +183,6 @@ struct lm87_data {
u8 vrm;
};
-/*
- * Sysfs stuff
- */
-
static inline int lm87_read_value(struct i2c_client *client, u8 reg)
{
return i2c_smbus_read_byte_data(client, reg);
@@ -231,79 +193,168 @@ static inline int lm87_write_value(struct i2c_client *client, u8 reg, u8 value)
return i2c_smbus_write_byte_data(client, reg, value);
}
-#define show_in(offset) \
-static ssize_t show_in##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- struct lm87_data *data = lm87_update_device(dev); \
- return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset], \
- data->in_scale[offset])); \
-} \
-static ssize_t show_in##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- struct lm87_data *data = lm87_update_device(dev); \
- return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset], \
- data->in_scale[offset])); \
-} \
-static ssize_t show_in##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- struct lm87_data *data = lm87_update_device(dev); \
- return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset], \
- data->in_scale[offset])); \
-} \
-static DEVICE_ATTR(in##offset##_input, S_IRUGO, \
- show_in##offset##_input, NULL);
-show_in(0);
-show_in(1);
-show_in(2);
-show_in(3);
-show_in(4);
-show_in(5);
-show_in(6);
-show_in(7);
-
-static void set_in_min(struct device *dev, const char *buf, int nr)
+static struct lm87_data *lm87_update_device(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm87_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+
+ mutex_lock(&data->update_lock);
+
+ if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
+ int i, j;
+
+ dev_dbg(&client->dev, "Updating data.\n");
+
+ i = (data->channel & CHAN_TEMP3) ? 1 : 0;
+ j = (data->channel & CHAN_TEMP3) ? 5 : 6;
+ for (; i < j; i++) {
+ data->in[i] = lm87_read_value(client,
+ LM87_REG_IN(i));
+ data->in_min[i] = lm87_read_value(client,
+ LM87_REG_IN_MIN(i));
+ data->in_max[i] = lm87_read_value(client,
+ LM87_REG_IN_MAX(i));
+ }
+
+ for (i = 0; i < 2; i++) {
+ if (data->channel & CHAN_NO_FAN(i)) {
+ data->in[6+i] = lm87_read_value(client,
+ LM87_REG_AIN(i));
+ data->in_max[6+i] = lm87_read_value(client,
+ LM87_REG_AIN_MAX(i));
+ data->in_min[6+i] = lm87_read_value(client,
+ LM87_REG_AIN_MIN(i));
+
+ } else {
+ data->fan[i] = lm87_read_value(client,
+ LM87_REG_FAN(i));
+ data->fan_min[i] = lm87_read_value(client,
+ LM87_REG_FAN_MIN(i));
+ }
+ }
+
+ j = (data->channel & CHAN_TEMP3) ? 3 : 2;
+ for (i = 0 ; i < j; i++) {
+ data->temp[i] = lm87_read_value(client,
+ LM87_REG_TEMP[i]);
+ data->temp_high[i] = lm87_read_value(client,
+ LM87_REG_TEMP_HIGH[i]);
+ data->temp_low[i] = lm87_read_value(client,
+ LM87_REG_TEMP_LOW[i]);
+ }
+
+ i = lm87_read_value(client, LM87_REG_TEMP_HW_INT_LOCK);
+ j = lm87_read_value(client, LM87_REG_TEMP_HW_INT);
+ data->temp_crit_int = min(i, j);
+
+ i = lm87_read_value(client, LM87_REG_TEMP_HW_EXT_LOCK);
+ j = lm87_read_value(client, LM87_REG_TEMP_HW_EXT);
+ data->temp_crit_ext = min(i, j);
+
+ i = lm87_read_value(client, LM87_REG_VID_FAN_DIV);
+ data->fan_div[0] = (i >> 4) & 0x03;
+ data->fan_div[1] = (i >> 6) & 0x03;
+ data->vid = (i & 0x0F)
+ | (lm87_read_value(client, LM87_REG_VID4) & 0x01)
+ << 4;
+
+ data->alarms = lm87_read_value(client, LM87_REG_ALARMS1)
+ | (lm87_read_value(client, LM87_REG_ALARMS2)
+ << 8);
+ data->aout = lm87_read_value(client, LM87_REG_AOUT);
+
+ data->last_updated = jiffies;
+ data->valid = 1;
+ }
+
+ mutex_unlock(&data->update_lock);
+
+ return data;
+}
+
+/*
+ * Sysfs stuff
+ */
+
+static ssize_t show_in_input(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct lm87_data *data = lm87_update_device(dev);
+ int nr = to_sensor_dev_attr(attr)->index;
+
+ return sprintf(buf, "%u\n", IN_FROM_REG(data->in[nr],
+ data->in_scale[nr]));
+}
+
+static ssize_t show_in_min(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct lm87_data *data = lm87_update_device(dev);
+ int nr = to_sensor_dev_attr(attr)->index;
+
+ return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[nr],
+ data->in_scale[nr]));
+}
+
+static ssize_t show_in_max(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct lm87_data *data = lm87_update_device(dev);
+ int nr = to_sensor_dev_attr(attr)->index;
+
+ return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[nr],
+ data->in_scale[nr]));
+}
+
+static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct lm87_data *data = i2c_get_clientdata(client);
+ int nr = to_sensor_dev_attr(attr)->index;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_min[nr] = IN_TO_REG(val, data->in_scale[nr]);
- lm87_write_value(client, nr<6 ? LM87_REG_IN_MIN(nr) :
- LM87_REG_AIN_MIN(nr-6), data->in_min[nr]);
+ lm87_write_value(client, nr < 6 ? LM87_REG_IN_MIN(nr) :
+ LM87_REG_AIN_MIN(nr - 6), data->in_min[nr]);
mutex_unlock(&data->update_lock);
+ return count;
}
-static void set_in_max(struct device *dev, const char *buf, int nr)
+static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm87_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ int nr = to_sensor_dev_attr(attr)->index;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_max[nr] = IN_TO_REG(val, data->in_scale[nr]);
- lm87_write_value(client, nr<6 ? LM87_REG_IN_MAX(nr) :
- LM87_REG_AIN_MAX(nr-6), data->in_max[nr]);
+ lm87_write_value(client, nr < 6 ? LM87_REG_IN_MAX(nr) :
+ LM87_REG_AIN_MAX(nr - 6), data->in_max[nr]);
mutex_unlock(&data->update_lock);
+ return count;
}
#define set_in(offset) \
-static ssize_t set_in##offset##_min(struct device *dev, struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- set_in_min(dev, buf, offset); \
- return count; \
-} \
-static ssize_t set_in##offset##_max(struct device *dev, struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- set_in_max(dev, buf, offset); \
- return count; \
-} \
-static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
- show_in##offset##_min, set_in##offset##_min); \
-static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
- show_in##offset##_max, set_in##offset##_max);
+static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
+ show_in_input, NULL, offset); \
+static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
+ show_in_min, set_in_min, offset); \
+static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
+ show_in_max, set_in_max, offset)
set_in(0);
set_in(1);
set_in(2);
@@ -313,80 +364,95 @@ set_in(5);
set_in(6);
set_in(7);
-#define show_temp(offset) \
-static ssize_t show_temp##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- struct lm87_data *data = lm87_update_device(dev); \
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[offset-1])); \
-} \
-static ssize_t show_temp##offset##_low(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- struct lm87_data *data = lm87_update_device(dev); \
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_low[offset-1])); \
-} \
-static ssize_t show_temp##offset##_high(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- struct lm87_data *data = lm87_update_device(dev); \
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[offset-1])); \
-}\
-static DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
- show_temp##offset##_input, NULL);
-show_temp(1);
-show_temp(2);
-show_temp(3);
-
-static void set_temp_low(struct device *dev, const char *buf, int nr)
+static ssize_t show_temp_input(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct lm87_data *data = lm87_update_device(dev);
+ int nr = to_sensor_dev_attr(attr)->index;
+
+ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
+}
+
+static ssize_t show_temp_low(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct lm87_data *data = lm87_update_device(dev);
+ int nr = to_sensor_dev_attr(attr)->index;
+
+ return sprintf(buf, "%d\n",
+ TEMP_FROM_REG(data->temp_low[nr]));
+}
+
+static ssize_t show_temp_high(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct lm87_data *data = lm87_update_device(dev);
+ int nr = to_sensor_dev_attr(attr)->index;
+
+ return sprintf(buf, "%d\n",
+ TEMP_FROM_REG(data->temp_high[nr]));
+}
+
+static ssize_t set_temp_low(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm87_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ int nr = to_sensor_dev_attr(attr)->index;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_low[nr] = TEMP_TO_REG(val);
lm87_write_value(client, LM87_REG_TEMP_LOW[nr], data->temp_low[nr]);
mutex_unlock(&data->update_lock);
+ return count;
}
-static void set_temp_high(struct device *dev, const char *buf, int nr)
+static ssize_t set_temp_high(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm87_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ int nr = to_sensor_dev_attr(attr)->index;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_high[nr] = TEMP_TO_REG(val);
lm87_write_value(client, LM87_REG_TEMP_HIGH[nr], data->temp_high[nr]);
mutex_unlock(&data->update_lock);
+ return count;
}
#define set_temp(offset) \
-static ssize_t set_temp##offset##_low(struct device *dev, struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- set_temp_low(dev, buf, offset-1); \
- return count; \
-} \
-static ssize_t set_temp##offset##_high(struct device *dev, struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- set_temp_high(dev, buf, offset-1); \
- return count; \
-} \
-static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
- show_temp##offset##_high, set_temp##offset##_high); \
-static DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
- show_temp##offset##_low, set_temp##offset##_low);
+static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
+ show_temp_input, NULL, offset - 1); \
+static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
+ show_temp_high, set_temp_high, offset - 1); \
+static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
+ show_temp_low, set_temp_low, offset - 1)
set_temp(1);
set_temp(2);
set_temp(3);
-static ssize_t show_temp_crit_int(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_crit_int(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct lm87_data *data = lm87_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit_int));
}
-static ssize_t show_temp_crit_ext(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_crit_ext(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct lm87_data *data = lm87_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit_ext));
@@ -396,64 +462,95 @@ static DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp_crit_int, NULL);
static DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp_crit_ext, NULL);
static DEVICE_ATTR(temp3_crit, S_IRUGO, show_temp_crit_ext, NULL);
-#define show_fan(offset) \
-static ssize_t show_fan##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- struct lm87_data *data = lm87_update_device(dev); \
- return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[offset-1], \
- FAN_DIV_FROM_REG(data->fan_div[offset-1]))); \
-} \
-static ssize_t show_fan##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- struct lm87_data *data = lm87_update_device(dev); \
- return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[offset-1], \
- FAN_DIV_FROM_REG(data->fan_div[offset-1]))); \
-} \
-static ssize_t show_fan##offset##_div(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- struct lm87_data *data = lm87_update_device(dev); \
- return sprintf(buf, "%d\n", FAN_DIV_FROM_REG(data->fan_div[offset-1])); \
-} \
-static DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
- show_fan##offset##_input, NULL);
-show_fan(1);
-show_fan(2);
-
-static void set_fan_min(struct device *dev, const char *buf, int nr)
+static ssize_t show_fan_input(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct lm87_data *data = lm87_update_device(dev);
+ int nr = to_sensor_dev_attr(attr)->index;
+
+ return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
+ FAN_DIV_FROM_REG(data->fan_div[nr])));
+}
+
+static ssize_t show_fan_min(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct lm87_data *data = lm87_update_device(dev);
+ int nr = to_sensor_dev_attr(attr)->index;
+
+ return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
+ FAN_DIV_FROM_REG(data->fan_div[nr])));
+}
+
+static ssize_t show_fan_div(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct lm87_data *data = lm87_update_device(dev);
+ int nr = to_sensor_dev_attr(attr)->index;
+
+ return sprintf(buf, "%d\n",
+ FAN_DIV_FROM_REG(data->fan_div[nr]));
+}
+
+static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm87_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ int nr = to_sensor_dev_attr(attr)->index;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val,
FAN_DIV_FROM_REG(data->fan_div[nr]));
lm87_write_value(client, LM87_REG_FAN_MIN(nr), data->fan_min[nr]);
mutex_unlock(&data->update_lock);
+ return count;
}
-/* Note: we save and restore the fan minimum here, because its value is
- determined in part by the fan clock divider. This follows the principle
- of least surprise; the user doesn't expect the fan minimum to change just
- because the divider changed. */
-static ssize_t set_fan_div(struct device *dev, const char *buf,
- size_t count, int nr)
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan clock divider. This follows the principle
+ * of least surprise; the user doesn't expect the fan minimum to change just
+ * because the divider changed.
+ */
+static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm87_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ int nr = to_sensor_dev_attr(attr)->index;
+ long val;
+ int err;
unsigned long min;
u8 reg;
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
+
mutex_lock(&data->update_lock);
min = FAN_FROM_REG(data->fan_min[nr],
FAN_DIV_FROM_REG(data->fan_div[nr]));
switch (val) {
- case 1: data->fan_div[nr] = 0; break;
- case 2: data->fan_div[nr] = 1; break;
- case 4: data->fan_div[nr] = 2; break;
- case 8: data->fan_div[nr] = 3; break;
+ case 1:
+ data->fan_div[nr] = 0;
+ break;
+ case 2:
+ data->fan_div[nr] = 1;
+ break;
+ case 4:
+ data->fan_div[nr] = 2;
+ break;
+ case 8:
+ data->fan_div[nr] = 3;
+ break;
default:
mutex_unlock(&data->update_lock);
return -EINVAL;
@@ -479,61 +576,69 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
}
#define set_fan(offset) \
-static ssize_t set_fan##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \
- size_t count) \
-{ \
- set_fan_min(dev, buf, offset-1); \
- return count; \
-} \
-static ssize_t set_fan##offset##_div(struct device *dev, struct device_attribute *attr, const char *buf, \
- size_t count) \
-{ \
- return set_fan_div(dev, buf, count, offset-1); \
-} \
-static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
- show_fan##offset##_min, set_fan##offset##_min); \
-static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
- show_fan##offset##_div, set_fan##offset##_div);
+static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
+ show_fan_input, NULL, offset - 1); \
+static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
+ show_fan_min, set_fan_min, offset - 1); \
+static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
+ show_fan_div, set_fan_div, offset - 1)
set_fan(1);
set_fan(2);
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct lm87_data *data = lm87_update_device(dev);
return sprintf(buf, "%d\n", data->alarms);
}
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
-static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vid(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct lm87_data *data = lm87_update_device(dev);
return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
-static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vrm(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct lm87_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", data->vrm);
}
-static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct lm87_data *data = dev_get_drvdata(dev);
- data->vrm = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+ data->vrm = val;
return count;
}
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
-static ssize_t show_aout(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_aout(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct lm87_data *data = lm87_update_device(dev);
return sprintf(buf, "%d\n", AOUT_FROM_REG(data->aout));
}
-static ssize_t set_aout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_aout(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm87_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->aout = AOUT_TO_REG(val);
@@ -571,31 +676,31 @@ static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 15);
*/
static struct attribute *lm87_attributes[] = {
- &dev_attr_in1_input.attr,
- &dev_attr_in1_min.attr,
- &dev_attr_in1_max.attr,
+ &sensor_dev_attr_in1_input.dev_attr.attr,
+ &sensor_dev_attr_in1_min.dev_attr.attr,
+ &sensor_dev_attr_in1_max.dev_attr.attr,
&sensor_dev_attr_in1_alarm.dev_attr.attr,
- &dev_attr_in2_input.attr,
- &dev_attr_in2_min.attr,
- &dev_attr_in2_max.attr,
+ &sensor_dev_attr_in2_input.dev_attr.attr,
+ &sensor_dev_attr_in2_min.dev_attr.attr,
+ &sensor_dev_attr_in2_max.dev_attr.attr,
&sensor_dev_attr_in2_alarm.dev_attr.attr,
- &dev_attr_in3_input.attr,
- &dev_attr_in3_min.attr,
- &dev_attr_in3_max.attr,
+ &sensor_dev_attr_in3_input.dev_attr.attr,
+ &sensor_dev_attr_in3_min.dev_attr.attr,
+ &sensor_dev_attr_in3_max.dev_attr.attr,
&sensor_dev_attr_in3_alarm.dev_attr.attr,
- &dev_attr_in4_input.attr,
- &dev_attr_in4_min.attr,
- &dev_attr_in4_max.attr,
+ &sensor_dev_attr_in4_input.dev_attr.attr,
+ &sensor_dev_attr_in4_min.dev_attr.attr,
+ &sensor_dev_attr_in4_max.dev_attr.attr,
&sensor_dev_attr_in4_alarm.dev_attr.attr,
- &dev_attr_temp1_input.attr,
- &dev_attr_temp1_max.attr,
- &dev_attr_temp1_min.attr,
+ &sensor_dev_attr_temp1_input.dev_attr.attr,
+ &sensor_dev_attr_temp1_max.dev_attr.attr,
+ &sensor_dev_attr_temp1_min.dev_attr.attr,
&dev_attr_temp1_crit.attr,
&sensor_dev_attr_temp1_alarm.dev_attr.attr,
- &dev_attr_temp2_input.attr,
- &dev_attr_temp2_max.attr,
- &dev_attr_temp2_min.attr,
+ &sensor_dev_attr_temp2_input.dev_attr.attr,
+ &sensor_dev_attr_temp2_max.dev_attr.attr,
+ &sensor_dev_attr_temp2_min.dev_attr.attr,
&dev_attr_temp2_crit.attr,
&sensor_dev_attr_temp2_alarm.dev_attr.attr,
&sensor_dev_attr_temp2_fault.dev_attr.attr,
@@ -610,70 +715,110 @@ static const struct attribute_group lm87_group = {
.attrs = lm87_attributes,
};
-static struct attribute *lm87_attributes_opt[] = {
- &dev_attr_in6_input.attr,
- &dev_attr_in6_min.attr,
- &dev_attr_in6_max.attr,
+static struct attribute *lm87_attributes_in6[] = {
+ &sensor_dev_attr_in6_input.dev_attr.attr,
+ &sensor_dev_attr_in6_min.dev_attr.attr,
+ &sensor_dev_attr_in6_max.dev_attr.attr,
&sensor_dev_attr_in6_alarm.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group lm87_group_in6 = {
+ .attrs = lm87_attributes_in6,
+};
- &dev_attr_fan1_input.attr,
- &dev_attr_fan1_min.attr,
- &dev_attr_fan1_div.attr,
+static struct attribute *lm87_attributes_fan1[] = {
+ &sensor_dev_attr_fan1_input.dev_attr.attr,
+ &sensor_dev_attr_fan1_min.dev_attr.attr,
+ &sensor_dev_attr_fan1_div.dev_attr.attr,
&sensor_dev_attr_fan1_alarm.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group lm87_group_fan1 = {
+ .attrs = lm87_attributes_fan1,
+};
- &dev_attr_in7_input.attr,
- &dev_attr_in7_min.attr,
- &dev_attr_in7_max.attr,
+static struct attribute *lm87_attributes_in7[] = {
+ &sensor_dev_attr_in7_input.dev_attr.attr,
+ &sensor_dev_attr_in7_min.dev_attr.attr,
+ &sensor_dev_attr_in7_max.dev_attr.attr,
&sensor_dev_attr_in7_alarm.dev_attr.attr,
+ NULL
+};
- &dev_attr_fan2_input.attr,
- &dev_attr_fan2_min.attr,
- &dev_attr_fan2_div.attr,
+static const struct attribute_group lm87_group_in7 = {
+ .attrs = lm87_attributes_in7,
+};
+
+static struct attribute *lm87_attributes_fan2[] = {
+ &sensor_dev_attr_fan2_input.dev_attr.attr,
+ &sensor_dev_attr_fan2_min.dev_attr.attr,
+ &sensor_dev_attr_fan2_div.dev_attr.attr,
&sensor_dev_attr_fan2_alarm.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group lm87_group_fan2 = {
+ .attrs = lm87_attributes_fan2,
+};
- &dev_attr_temp3_input.attr,
- &dev_attr_temp3_max.attr,
- &dev_attr_temp3_min.attr,
+static struct attribute *lm87_attributes_temp3[] = {
+ &sensor_dev_attr_temp3_input.dev_attr.attr,
+ &sensor_dev_attr_temp3_max.dev_attr.attr,
+ &sensor_dev_attr_temp3_min.dev_attr.attr,
&dev_attr_temp3_crit.attr,
&sensor_dev_attr_temp3_alarm.dev_attr.attr,
&sensor_dev_attr_temp3_fault.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group lm87_group_temp3 = {
+ .attrs = lm87_attributes_temp3,
+};
- &dev_attr_in0_input.attr,
- &dev_attr_in0_min.attr,
- &dev_attr_in0_max.attr,
+static struct attribute *lm87_attributes_in0_5[] = {
+ &sensor_dev_attr_in0_input.dev_attr.attr,
+ &sensor_dev_attr_in0_min.dev_attr.attr,
+ &sensor_dev_attr_in0_max.dev_attr.attr,
&sensor_dev_attr_in0_alarm.dev_attr.attr,
- &dev_attr_in5_input.attr,
- &dev_attr_in5_min.attr,
- &dev_attr_in5_max.attr,
+ &sensor_dev_attr_in5_input.dev_attr.attr,
+ &sensor_dev_attr_in5_min.dev_attr.attr,
+ &sensor_dev_attr_in5_max.dev_attr.attr,
&sensor_dev_attr_in5_alarm.dev_attr.attr,
+ NULL
+};
+static const struct attribute_group lm87_group_in0_5 = {
+ .attrs = lm87_attributes_in0_5,
+};
+
+static struct attribute *lm87_attributes_vid[] = {
&dev_attr_cpu0_vid.attr,
&dev_attr_vrm.attr,
-
NULL
};
-static const struct attribute_group lm87_group_opt = {
- .attrs = lm87_attributes_opt,
+static const struct attribute_group lm87_group_vid = {
+ .attrs = lm87_attributes_vid,
};
/* Return 0 if detection is successful, -ENODEV otherwise */
-static int lm87_detect(struct i2c_client *new_client,
- struct i2c_board_info *info)
+static int lm87_detect(struct i2c_client *client, struct i2c_board_info *info)
{
- struct i2c_adapter *adapter = new_client->adapter;
+ struct i2c_adapter *adapter = client->adapter;
const char *name;
u8 cid, rev;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -ENODEV;
- if (lm87_read_value(new_client, LM87_REG_CONFIG) & 0x80)
+ if (lm87_read_value(client, LM87_REG_CONFIG) & 0x80)
return -ENODEV;
/* Now, we do the remaining detection. */
- cid = lm87_read_value(new_client, LM87_REG_COMPANY_ID);
- rev = lm87_read_value(new_client, LM87_REG_REVISION);
+ cid = lm87_read_value(client, LM87_REG_COMPANY_ID);
+ rev = lm87_read_value(client, LM87_REG_REVISION);
if (cid == 0x02 /* National Semiconductor */
&& (rev >= 0x01 && rev <= 0x08))
@@ -683,7 +828,7 @@ static int lm87_detect(struct i2c_client *new_client,
name = "adm1024";
else {
dev_dbg(&adapter->dev, "LM87 detection failed at 0x%02x\n",
- new_client->addr);
+ client->addr);
return -ENODEV;
}
@@ -692,8 +837,63 @@ static int lm87_detect(struct i2c_client *new_client,
return 0;
}
-static int lm87_probe(struct i2c_client *new_client,
- const struct i2c_device_id *id)
+static void lm87_remove_files(struct i2c_client *client)
+{
+ struct device *dev = &client->dev;
+
+ sysfs_remove_group(&dev->kobj, &lm87_group);
+ sysfs_remove_group(&dev->kobj, &lm87_group_in6);
+ sysfs_remove_group(&dev->kobj, &lm87_group_fan1);
+ sysfs_remove_group(&dev->kobj, &lm87_group_in7);
+ sysfs_remove_group(&dev->kobj, &lm87_group_fan2);
+ sysfs_remove_group(&dev->kobj, &lm87_group_temp3);
+ sysfs_remove_group(&dev->kobj, &lm87_group_in0_5);
+ sysfs_remove_group(&dev->kobj, &lm87_group_vid);
+}
+
+static void lm87_init_client(struct i2c_client *client)
+{
+ struct lm87_data *data = i2c_get_clientdata(client);
+
+ if (client->dev.platform_data) {
+ data->channel = *(u8 *)client->dev.platform_data;
+ lm87_write_value(client,
+ LM87_REG_CHANNEL_MODE, data->channel);
+ } else {
+ data->channel = lm87_read_value(client, LM87_REG_CHANNEL_MODE);
+ }
+ data->config = lm87_read_value(client, LM87_REG_CONFIG) & 0x6F;
+
+ if (!(data->config & 0x01)) {
+ int i;
+
+ /* Limits are left uninitialized after power-up */
+ for (i = 1; i < 6; i++) {
+ lm87_write_value(client, LM87_REG_IN_MIN(i), 0x00);
+ lm87_write_value(client, LM87_REG_IN_MAX(i), 0xFF);
+ }
+ for (i = 0; i < 2; i++) {
+ lm87_write_value(client, LM87_REG_TEMP_HIGH[i], 0x7F);
+ lm87_write_value(client, LM87_REG_TEMP_LOW[i], 0x00);
+ lm87_write_value(client, LM87_REG_AIN_MIN(i), 0x00);
+ lm87_write_value(client, LM87_REG_AIN_MAX(i), 0xFF);
+ }
+ if (data->channel & CHAN_TEMP3) {
+ lm87_write_value(client, LM87_REG_TEMP_HIGH[2], 0x7F);
+ lm87_write_value(client, LM87_REG_TEMP_LOW[2], 0x00);
+ } else {
+ lm87_write_value(client, LM87_REG_IN_MIN(0), 0x00);
+ lm87_write_value(client, LM87_REG_IN_MAX(0), 0xFF);
+ }
+ }
+
+ /* Make sure Start is set and INT#_Clear is clear */
+ if ((data->config & 0x09) != 0x01)
+ lm87_write_value(client, LM87_REG_CONFIG,
+ (data->config & 0x77) | 0x01);
+}
+
+static int lm87_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
struct lm87_data *data;
int err;
@@ -704,12 +904,12 @@ static int lm87_probe(struct i2c_client *new_client,
goto exit;
}
- i2c_set_clientdata(new_client, data);
+ i2c_set_clientdata(client, data);
data->valid = 0;
mutex_init(&data->update_lock);
/* Initialize the LM87 chip */
- lm87_init_client(new_client);
+ lm87_init_client(client);
data->in_scale[0] = 2500;
data->in_scale[1] = 2700;
@@ -721,97 +921,48 @@ static int lm87_probe(struct i2c_client *new_client,
data->in_scale[7] = 1875;
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&new_client->dev.kobj, &lm87_group)))
+ err = sysfs_create_group(&client->dev.kobj, &lm87_group);
+ if (err)
goto exit_free;
if (data->channel & CHAN_NO_FAN(0)) {
- if ((err = device_create_file(&new_client->dev,
- &dev_attr_in6_input))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_in6_min))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_in6_max))
- || (err = device_create_file(&new_client->dev,
- &sensor_dev_attr_in6_alarm.dev_attr)))
+ err = sysfs_create_group(&client->dev.kobj, &lm87_group_in6);
+ if (err)
goto exit_remove;
} else {
- if ((err = device_create_file(&new_client->dev,
- &dev_attr_fan1_input))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_fan1_min))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_fan1_div))
- || (err = device_create_file(&new_client->dev,
- &sensor_dev_attr_fan1_alarm.dev_attr)))
+ err = sysfs_create_group(&client->dev.kobj, &lm87_group_fan1);
+ if (err)
goto exit_remove;
}
if (data->channel & CHAN_NO_FAN(1)) {
- if ((err = device_create_file(&new_client->dev,
- &dev_attr_in7_input))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_in7_min))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_in7_max))
- || (err = device_create_file(&new_client->dev,
- &sensor_dev_attr_in7_alarm.dev_attr)))
+ err = sysfs_create_group(&client->dev.kobj, &lm87_group_in7);
+ if (err)
goto exit_remove;
} else {
- if ((err = device_create_file(&new_client->dev,
- &dev_attr_fan2_input))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_fan2_min))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_fan2_div))
- || (err = device_create_file(&new_client->dev,
- &sensor_dev_attr_fan2_alarm.dev_attr)))
+ err = sysfs_create_group(&client->dev.kobj, &lm87_group_fan2);
+ if (err)
goto exit_remove;
}
if (data->channel & CHAN_TEMP3) {
- if ((err = device_create_file(&new_client->dev,
- &dev_attr_temp3_input))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_temp3_max))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_temp3_min))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_temp3_crit))
- || (err = device_create_file(&new_client->dev,
- &sensor_dev_attr_temp3_alarm.dev_attr))
- || (err = device_create_file(&new_client->dev,
- &sensor_dev_attr_temp3_fault.dev_attr)))
+ err = sysfs_create_group(&client->dev.kobj, &lm87_group_temp3);
+ if (err)
goto exit_remove;
} else {
- if ((err = device_create_file(&new_client->dev,
- &dev_attr_in0_input))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_in0_min))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_in0_max))
- || (err = device_create_file(&new_client->dev,
- &sensor_dev_attr_in0_alarm.dev_attr))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_in5_input))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_in5_min))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_in5_max))
- || (err = device_create_file(&new_client->dev,
- &sensor_dev_attr_in5_alarm.dev_attr)))
+ err = sysfs_create_group(&client->dev.kobj, &lm87_group_in0_5);
+ if (err)
goto exit_remove;
}
if (!(data->channel & CHAN_NO_VID)) {
data->vrm = vid_which_vrm();
- if ((err = device_create_file(&new_client->dev,
- &dev_attr_cpu0_vid))
- || (err = device_create_file(&new_client->dev,
- &dev_attr_vrm)))
+ err = sysfs_create_group(&client->dev.kobj, &lm87_group_vid);
+ if (err)
goto exit_remove;
}
- data->hwmon_dev = hwmon_device_register(&new_client->dev);
+ data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
err = PTR_ERR(data->hwmon_dev);
goto exit_remove;
@@ -820,162 +971,51 @@ static int lm87_probe(struct i2c_client *new_client,
return 0;
exit_remove:
- sysfs_remove_group(&new_client->dev.kobj, &lm87_group);
- sysfs_remove_group(&new_client->dev.kobj, &lm87_group_opt);
+ lm87_remove_files(client);
exit_free:
- lm87_write_value(new_client, LM87_REG_CONFIG, data->config);
+ lm87_write_value(client, LM87_REG_CONFIG, data->config);
kfree(data);
exit:
return err;
}
-static void lm87_init_client(struct i2c_client *client)
-{
- struct lm87_data *data = i2c_get_clientdata(client);
-
- if (client->dev.platform_data) {
- data->channel = *(u8 *)client->dev.platform_data;
- lm87_write_value(client,
- LM87_REG_CHANNEL_MODE, data->channel);
- } else {
- data->channel = lm87_read_value(client, LM87_REG_CHANNEL_MODE);
- }
- data->config = lm87_read_value(client, LM87_REG_CONFIG) & 0x6F;
-
- if (!(data->config & 0x01)) {
- int i;
-
- /* Limits are left uninitialized after power-up */
- for (i = 1; i < 6; i++) {
- lm87_write_value(client, LM87_REG_IN_MIN(i), 0x00);
- lm87_write_value(client, LM87_REG_IN_MAX(i), 0xFF);
- }
- for (i = 0; i < 2; i++) {
- lm87_write_value(client, LM87_REG_TEMP_HIGH[i], 0x7F);
- lm87_write_value(client, LM87_REG_TEMP_LOW[i], 0x00);
- lm87_write_value(client, LM87_REG_AIN_MIN(i), 0x00);
- lm87_write_value(client, LM87_REG_AIN_MAX(i), 0xFF);
- }
- if (data->channel & CHAN_TEMP3) {
- lm87_write_value(client, LM87_REG_TEMP_HIGH[2], 0x7F);
- lm87_write_value(client, LM87_REG_TEMP_LOW[2], 0x00);
- } else {
- lm87_write_value(client, LM87_REG_IN_MIN(0), 0x00);
- lm87_write_value(client, LM87_REG_IN_MAX(0), 0xFF);
- }
- }
-
- /* Make sure Start is set and INT#_Clear is clear */
- if ((data->config & 0x09) != 0x01)
- lm87_write_value(client, LM87_REG_CONFIG,
- (data->config & 0x77) | 0x01);
-}
-
static int lm87_remove(struct i2c_client *client)
{
struct lm87_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, &lm87_group);
- sysfs_remove_group(&client->dev.kobj, &lm87_group_opt);
+ lm87_remove_files(client);
lm87_write_value(client, LM87_REG_CONFIG, data->config);
kfree(data);
return 0;
}
-static struct lm87_data *lm87_update_device(struct device *dev)
-{
- struct i2c_client *client = to_i2c_client(dev);
- struct lm87_data *data = i2c_get_clientdata(client);
-
- mutex_lock(&data->update_lock);
-
- if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
- int i, j;
-
- dev_dbg(&client->dev, "Updating data.\n");
-
- i = (data->channel & CHAN_TEMP3) ? 1 : 0;
- j = (data->channel & CHAN_TEMP3) ? 5 : 6;
- for (; i < j; i++) {
- data->in[i] = lm87_read_value(client,
- LM87_REG_IN(i));
- data->in_min[i] = lm87_read_value(client,
- LM87_REG_IN_MIN(i));
- data->in_max[i] = lm87_read_value(client,
- LM87_REG_IN_MAX(i));
- }
-
- for (i = 0; i < 2; i++) {
- if (data->channel & CHAN_NO_FAN(i)) {
- data->in[6+i] = lm87_read_value(client,
- LM87_REG_AIN(i));
- data->in_max[6+i] = lm87_read_value(client,
- LM87_REG_AIN_MAX(i));
- data->in_min[6+i] = lm87_read_value(client,
- LM87_REG_AIN_MIN(i));
-
- } else {
- data->fan[i] = lm87_read_value(client,
- LM87_REG_FAN(i));
- data->fan_min[i] = lm87_read_value(client,
- LM87_REG_FAN_MIN(i));
- }
- }
-
- j = (data->channel & CHAN_TEMP3) ? 3 : 2;
- for (i = 0 ; i < j; i++) {
- data->temp[i] = lm87_read_value(client,
- LM87_REG_TEMP[i]);
- data->temp_high[i] = lm87_read_value(client,
- LM87_REG_TEMP_HIGH[i]);
- data->temp_low[i] = lm87_read_value(client,
- LM87_REG_TEMP_LOW[i]);
- }
-
- i = lm87_read_value(client, LM87_REG_TEMP_HW_INT_LOCK);
- j = lm87_read_value(client, LM87_REG_TEMP_HW_INT);
- data->temp_crit_int = min(i, j);
-
- i = lm87_read_value(client, LM87_REG_TEMP_HW_EXT_LOCK);
- j = lm87_read_value(client, LM87_REG_TEMP_HW_EXT);
- data->temp_crit_ext = min(i, j);
-
- i = lm87_read_value(client, LM87_REG_VID_FAN_DIV);
- data->fan_div[0] = (i >> 4) & 0x03;
- data->fan_div[1] = (i >> 6) & 0x03;
- data->vid = (i & 0x0F)
- | (lm87_read_value(client, LM87_REG_VID4) & 0x01)
- << 4;
-
- data->alarms = lm87_read_value(client, LM87_REG_ALARMS1)
- | (lm87_read_value(client, LM87_REG_ALARMS2)
- << 8);
- data->aout = lm87_read_value(client, LM87_REG_AOUT);
-
- data->last_updated = jiffies;
- data->valid = 1;
- }
-
- mutex_unlock(&data->update_lock);
+/*
+ * Driver data (common to all clients)
+ */
- return data;
-}
+static const struct i2c_device_id lm87_id[] = {
+ { "lm87", lm87 },
+ { "adm1024", adm1024 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, lm87_id);
-static int __init sensors_lm87_init(void)
-{
- return i2c_add_driver(&lm87_driver);
-}
+static struct i2c_driver lm87_driver = {
+ .class = I2C_CLASS_HWMON,
+ .driver = {
+ .name = "lm87",
+ },
+ .probe = lm87_probe,
+ .remove = lm87_remove,
+ .id_table = lm87_id,
+ .detect = lm87_detect,
+ .address_list = normal_i2c,
+};
-static void __exit sensors_lm87_exit(void)
-{
- i2c_del_driver(&lm87_driver);
-}
+module_i2c_driver(lm87_driver);
MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org> and others");
MODULE_DESCRIPTION("LM87 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_lm87_init);
-module_exit(sensors_lm87_exit);
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index d2dd5f90496..248f2b40dfa 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -1514,19 +1514,8 @@ static struct i2c_driver lm90_driver = {
.address_list = normal_i2c,
};
-static int __init sensors_lm90_init(void)
-{
- return i2c_add_driver(&lm90_driver);
-}
-
-static void __exit sensors_lm90_exit(void)
-{
- i2c_del_driver(&lm90_driver);
-}
+module_i2c_driver(lm90_driver);
MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
MODULE_DESCRIPTION("LM90/ADM1032 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_lm90_init);
-module_exit(sensors_lm90_exit);
diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c
index 8fcbd4d422c..fdc691a4028 100644
--- a/drivers/hwmon/lm92.c
+++ b/drivers/hwmon/lm92.c
@@ -49,8 +49,10 @@
#include <linux/err.h>
#include <linux/mutex.h>
-/* The LM92 and MAX6635 have 2 two-state pins for address selection,
- resulting in 4 possible addresses. */
+/*
+ * The LM92 and MAX6635 have 2 two-state pins for address selection,
+ * resulting in 4 possible addresses.
+ */
static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b,
I2C_CLIENT_END };
@@ -63,11 +65,13 @@ static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b,
#define LM92_REG_TEMP_HIGH 0x05 /* 16-bit, RW */
#define LM92_REG_MAN_ID 0x07 /* 16-bit, RO, LM92 only */
-/* The LM92 uses signed 13-bit values with LSB = 0.0625 degree Celsius,
- left-justified in 16-bit registers. No rounding is done, with such
- a resolution it's just not worth it. Note that the MAX6635 doesn't
- make use of the 4 lower bits for limits (i.e. effective resolution
- for limits is 1 degree Celsius). */
+/*
+ * The LM92 uses signed 13-bit values with LSB = 0.0625 degree Celsius,
+ * left-justified in 16-bit registers. No rounding is done, with such
+ * a resolution it's just not worth it. Note that the MAX6635 doesn't
+ * make use of the 4 lower bits for limits (i.e. effective resolution
+ * for limits is 1 degree Celsius).
+ */
static inline int TEMP_FROM_REG(s16 reg)
{
return reg / 8 * 625 / 10;
@@ -138,7 +142,8 @@ static struct lm92_data *lm92_update_device(struct device *dev)
}
#define show_temp(value) \
-static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \
+static ssize_t show_##value(struct device *dev, struct device_attribute *attr, \
+ char *buf) \
{ \
struct lm92_data *data = lm92_update_device(dev); \
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->value)); \
@@ -149,13 +154,17 @@ show_temp(temp1_min);
show_temp(temp1_max);
#define set_temp(value, reg) \
-static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, \
+static ssize_t set_##value(struct device *dev, struct device_attribute *attr, \
+ const char *buf, \
size_t count) \
{ \
struct i2c_client *client = to_i2c_client(dev); \
struct lm92_data *data = i2c_get_clientdata(client); \
- long val = simple_strtol(buf, NULL, 10); \
- \
+ long val; \
+ int err = kstrtol(buf, 10, &val); \
+ if (err) \
+ return err; \
+\
mutex_lock(&data->update_lock); \
data->value = TEMP_TO_REG(val); \
i2c_smbus_write_word_swapped(client, reg, data->value); \
@@ -166,31 +175,40 @@ set_temp(temp1_crit, LM92_REG_TEMP_CRIT);
set_temp(temp1_min, LM92_REG_TEMP_LOW);
set_temp(temp1_max, LM92_REG_TEMP_HIGH);
-static ssize_t show_temp1_crit_hyst(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp1_crit_hyst(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct lm92_data *data = lm92_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp1_crit)
- TEMP_FROM_REG(data->temp1_hyst));
}
-static ssize_t show_temp1_max_hyst(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp1_max_hyst(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct lm92_data *data = lm92_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp1_max)
- TEMP_FROM_REG(data->temp1_hyst));
}
-static ssize_t show_temp1_min_hyst(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp1_min_hyst(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct lm92_data *data = lm92_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp1_min)
+ TEMP_FROM_REG(data->temp1_hyst));
}
-static ssize_t set_temp1_crit_hyst(struct device *dev, struct device_attribute *attr, const char *buf,
- size_t count)
+static ssize_t set_temp1_crit_hyst(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm92_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp1_hyst = TEMP_FROM_REG(data->temp1_crit) - val;
@@ -200,7 +218,8 @@ static ssize_t set_temp1_crit_hyst(struct device *dev, struct device_attribute *
return count;
}
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct lm92_data *data = lm92_update_device(dev);
return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->temp1_input));
@@ -246,26 +265,30 @@ static void lm92_init_client(struct i2c_client *client)
config & 0xFE);
}
-/* The MAX6635 has no identification register, so we have to use tricks
- to identify it reliably. This is somewhat slow.
- Note that we do NOT rely on the 2 MSB of the configuration register
- always reading 0, as suggested by the datasheet, because it was once
- reported not to be true. */
+/*
+ * The MAX6635 has no identification register, so we have to use tricks
+ * to identify it reliably. This is somewhat slow.
+ * Note that we do NOT rely on the 2 MSB of the configuration register
+ * always reading 0, as suggested by the datasheet, because it was once
+ * reported not to be true.
+ */
static int max6635_check(struct i2c_client *client)
{
u16 temp_low, temp_high, temp_hyst, temp_crit;
u8 conf;
int i;
- /* No manufacturer ID register, so a read from this address will
- always return the last read value. */
+ /*
+ * No manufacturer ID register, so a read from this address will
+ * always return the last read value.
+ */
temp_low = i2c_smbus_read_word_data(client, LM92_REG_TEMP_LOW);
if (i2c_smbus_read_word_data(client, LM92_REG_MAN_ID) != temp_low)
return 0;
temp_high = i2c_smbus_read_word_data(client, LM92_REG_TEMP_HIGH);
if (i2c_smbus_read_word_data(client, LM92_REG_MAN_ID) != temp_high)
return 0;
-
+
/* Limits are stored as integer values (signed, 9-bit). */
if ((temp_low & 0x7f00) || (temp_high & 0x7f00))
return 0;
@@ -274,22 +297,24 @@ static int max6635_check(struct i2c_client *client)
if ((temp_hyst & 0x7f00) || (temp_crit & 0x7f00))
return 0;
- /* Registers addresses were found to cycle over 16-byte boundaries.
- We don't test all registers with all offsets so as to save some
- reads and time, but this should still be sufficient to dismiss
- non-MAX6635 chips. */
+ /*
+ * Registers addresses were found to cycle over 16-byte boundaries.
+ * We don't test all registers with all offsets so as to save some
+ * reads and time, but this should still be sufficient to dismiss
+ * non-MAX6635 chips.
+ */
conf = i2c_smbus_read_byte_data(client, LM92_REG_CONFIG);
- for (i=16; i<96; i*=2) {
+ for (i = 16; i < 96; i *= 2) {
if (temp_hyst != i2c_smbus_read_word_data(client,
- LM92_REG_TEMP_HYST + i - 16)
+ LM92_REG_TEMP_HYST + i - 16)
|| temp_crit != i2c_smbus_read_word_data(client,
- LM92_REG_TEMP_CRIT + i)
+ LM92_REG_TEMP_CRIT + i)
|| temp_low != i2c_smbus_read_word_data(client,
LM92_REG_TEMP_LOW + i + 16)
|| temp_high != i2c_smbus_read_word_data(client,
- LM92_REG_TEMP_HIGH + i + 32)
+ LM92_REG_TEMP_HIGH + i + 32)
|| conf != i2c_smbus_read_byte_data(client,
- LM92_REG_CONFIG + i))
+ LM92_REG_CONFIG + i))
return 0;
}
@@ -362,7 +387,8 @@ static int lm92_probe(struct i2c_client *new_client,
lm92_init_client(new_client);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&new_client->dev.kobj, &lm92_group)))
+ err = sysfs_create_group(&new_client->dev.kobj, &lm92_group);
+ if (err)
goto exit_free;
data->hwmon_dev = hwmon_device_register(&new_client->dev);
@@ -416,19 +442,8 @@ static struct i2c_driver lm92_driver = {
.address_list = normal_i2c,
};
-static int __init sensors_lm92_init(void)
-{
- return i2c_add_driver(&lm92_driver);
-}
-
-static void __exit sensors_lm92_exit(void)
-{
- i2c_del_driver(&lm92_driver);
-}
+module_i2c_driver(lm92_driver);
MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
MODULE_DESCRIPTION("LM92/MAX6635 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_lm92_init);
-module_exit(sensors_lm92_exit);
diff --git a/drivers/hwmon/lm93.c b/drivers/hwmon/lm93.c
index 8bd6c5c9e05..67e8fe256e0 100644
--- a/drivers/hwmon/lm93.c
+++ b/drivers/hwmon/lm93.c
@@ -1,42 +1,42 @@
/*
- lm93.c - Part of lm_sensors, Linux kernel modules for hardware monitoring
-
- Author/Maintainer: Mark M. Hoffman <mhoffman@lightlink.com>
- Copyright (c) 2004 Utilitek Systems, Inc.
-
- derived in part from lm78.c:
- Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
-
- derived in part from lm85.c:
- Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
- Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de>
-
- derived in part from w83l785ts.c:
- Copyright (c) 2003-2004 Jean Delvare <khali@linux-fr.org>
-
- Ported to Linux 2.6 by Eric J. Bowersox <ericb@aspsys.com>
- Copyright (c) 2005 Aspen Systems, Inc.
-
- Adapted to 2.6.20 by Carsten Emde <cbe@osadl.org>
- Copyright (c) 2006 Carsten Emde, Open Source Automation Development Lab
-
- Modified for mainline integration by Hans J. Koch <hjk@hansjkoch.de>
- Copyright (c) 2007 Hans J. Koch, Linutronix GmbH
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * lm93.c - Part of lm_sensors, Linux kernel modules for hardware monitoring
+ *
+ * Author/Maintainer: Mark M. Hoffman <mhoffman@lightlink.com>
+ * Copyright (c) 2004 Utilitek Systems, Inc.
+ *
+ * derived in part from lm78.c:
+ * Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
+ *
+ * derived in part from lm85.c:
+ * Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
+ * Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de>
+ *
+ * derived in part from w83l785ts.c:
+ * Copyright (c) 2003-2004 Jean Delvare <khali@linux-fr.org>
+ *
+ * Ported to Linux 2.6 by Eric J. Bowersox <ericb@aspsys.com>
+ * Copyright (c) 2005 Aspen Systems, Inc.
+ *
+ * Adapted to 2.6.20 by Carsten Emde <cbe@osadl.org>
+ * Copyright (c) 2006 Carsten Emde, Open Source Automation Development Lab
+ *
+ * Modified for mainline integration by Hans J. Koch <hjk@hansjkoch.de>
+ * Copyright (c) 2007 Hans J. Koch, Linutronix GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -83,7 +83,7 @@
#define LM93_REG_FAN_MIN(nr) (0xb4 + (nr) * 2)
/* pwm outputs: pwm1-pwm2 (nr => 0-1, reg => 0-3) */
-#define LM93_REG_PWM_CTL(nr,reg) (0xc8 + (reg) + (nr) * 4)
+#define LM93_REG_PWM_CTL(nr, reg) (0xc8 + (reg) + (nr) * 4)
#define LM93_PWM_CTL1 0x0
#define LM93_PWM_CTL2 0x1
#define LM93_PWM_CTL3 0x2
@@ -160,7 +160,7 @@ static bool init;
module_param(init, bool, 0);
MODULE_PARM_DESC(init, "Set to non-zero to force chip initialization.");
-static int vccp_limit_type[2] = {0,0};
+static int vccp_limit_type[2] = {0, 0};
module_param_array(vccp_limit_type, int, NULL, 0);
MODULE_PARM_DESC(vccp_limit_type, "Configures in7 and in8 limit modes.");
@@ -187,8 +187,10 @@ static const struct { u8 cmd; u8 len; } lm93_block_read_cmds[12] = {
{ 0xfd, 9 },
};
-/* ALARMS: SYSCTL format described further below
- REG: 64 bits in 8 registers, as immediately below */
+/*
+ * ALARMS: SYSCTL format described further below
+ * REG: 64 bits in 8 registers, as immediately below
+ */
struct block1_t {
u8 host_status_1;
u8 host_status_2;
@@ -217,8 +219,10 @@ struct lm93_data {
/* register values, arranged by block read groups */
struct block1_t block1;
- /* temp1 - temp4: unfiltered readings
- temp1 - temp2: filtered readings */
+ /*
+ * temp1 - temp4: unfiltered readings
+ * temp1 - temp2: filtered readings
+ */
u8 block2[6];
/* vin1 - vin16: readings */
@@ -295,14 +299,18 @@ struct lm93_data {
u8 sfc2;
u8 sf_tach_to_pwm;
- /* The two PWM CTL2 registers can read something other than what was
- last written for the OVR_DC field (duty cycle override). So, we
- save the user-commanded value here. */
+ /*
+ * The two PWM CTL2 registers can read something other than what was
+ * last written for the OVR_DC field (duty cycle override). So, we
+ * save the user-commanded value here.
+ */
u8 pwm_override[2];
};
-/* VID: mV
- REG: 6-bits, right justified, *always* using Intel VRM/VRD 10 */
+/*
+ * VID: mV
+ * REG: 6-bits, right justified, *always* using Intel VRM/VRD 10
+ */
static int LM93_VID_FROM_REG(u8 reg)
{
return vid_from_reg((reg & 0x3f), 100);
@@ -317,12 +325,13 @@ static const u8 lm93_vin_reg_max[16] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xfa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xd1,
};
-/* Values from the datasheet. They're here for documentation only.
-static const u8 lm93_vin_reg_nom[16] = {
- 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
- 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x40, 0xc0,
-};
-*/
+/*
+ * Values from the datasheet. They're here for documentation only.
+ * static const u8 lm93_vin_reg_nom[16] = {
+ * 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
+ * 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x40, 0xc0,
+ * };
+ */
/* min, max, and nominal voltage readings, per channel (mV)*/
static const unsigned long lm93_vin_val_min[16] = {
@@ -334,12 +343,13 @@ static const unsigned long lm93_vin_val_max[16] = {
1236, 1236, 1236, 1600, 2000, 2000, 1600, 1600,
4400, 6500, 3333, 2625, 1312, 1312, 1236, 3600,
};
-/* Values from the datasheet. They're here for documentation only.
-static const unsigned long lm93_vin_val_nom[16] = {
- 927, 927, 927, 1200, 1500, 1500, 1200, 1200,
- 3300, 5000, 2500, 1969, 984, 984, 309, 3300,
-};
-*/
+/*
+ * Values from the datasheet. They're here for documentation only.
+ * static const unsigned long lm93_vin_val_nom[16] = {
+ * 927, 927, 927, 1200, 1500, 1500, 1200, 1200,
+ * 3300, 5000, 2500, 1969, 984, 984, 309, 3300,
+ * };
+ */
static unsigned LM93_IN_FROM_REG(int nr, u8 reg)
{
@@ -353,8 +363,10 @@ static unsigned LM93_IN_FROM_REG(int nr, u8 reg)
return (slope * reg + intercept + 500) / 1000;
}
-/* IN: mV, limits determined by channel nr
- REG: scaling determined by channel nr */
+/*
+ * IN: mV, limits determined by channel nr
+ * REG: scaling determined by channel nr
+ */
static u8 LM93_IN_TO_REG(int nr, unsigned val)
{
/* range limit */
@@ -386,12 +398,14 @@ static unsigned LM93_IN_REL_FROM_REG(u8 reg, int upper, int vid)
return (uV_vid + uV_offset + 5000) / 10000;
}
-#define LM93_IN_MIN_FROM_REG(reg,vid) LM93_IN_REL_FROM_REG(reg,0,vid)
-#define LM93_IN_MAX_FROM_REG(reg,vid) LM93_IN_REL_FROM_REG(reg,1,vid)
+#define LM93_IN_MIN_FROM_REG(reg, vid) LM93_IN_REL_FROM_REG((reg), 0, (vid))
+#define LM93_IN_MAX_FROM_REG(reg, vid) LM93_IN_REL_FROM_REG((reg), 1, (vid))
-/* vid in mV , upper == 0 indicates low limit, otherwise upper limit
- upper also determines which nibble of the register is returned
- (the other nibble will be 0x0) */
+/*
+ * vid in mV , upper == 0 indicates low limit, otherwise upper limit
+ * upper also determines which nibble of the register is returned
+ * (the other nibble will be 0x0)
+ */
static u8 LM93_IN_REL_TO_REG(unsigned val, int upper, int vid)
{
long uV_offset = vid * 1000 - val * 10000;
@@ -404,22 +418,26 @@ static u8 LM93_IN_REL_TO_REG(unsigned val, int upper, int vid)
}
}
-/* TEMP: 1/1000 degrees C (-128C to +127C)
- REG: 1C/bit, two's complement */
+/*
+ * TEMP: 1/1000 degrees C (-128C to +127C)
+ * REG: 1C/bit, two's complement
+ */
static int LM93_TEMP_FROM_REG(u8 reg)
{
return (s8)reg * 1000;
}
#define LM93_TEMP_MIN (-128000)
-#define LM93_TEMP_MAX ( 127000)
+#define LM93_TEMP_MAX (127000)
-/* TEMP: 1/1000 degrees C (-128C to +127C)
- REG: 1C/bit, two's complement */
+/*
+ * TEMP: 1/1000 degrees C (-128C to +127C)
+ * REG: 1C/bit, two's complement
+ */
static u8 LM93_TEMP_TO_REG(long temp)
{
int ntemp = SENSORS_LIMIT(temp, LM93_TEMP_MIN, LM93_TEMP_MAX);
- ntemp += (ntemp<0 ? -500 : 500);
+ ntemp += (ntemp < 0 ? -500 : 500);
return (u8)(ntemp / 1000);
}
@@ -430,21 +448,25 @@ static int LM93_TEMP_OFFSET_MODE_FROM_REG(u8 sfc2, int nr)
return sfc2 & (nr < 2 ? 0x10 : 0x20);
}
-/* This function is common to all 4-bit temperature offsets
- reg is 4 bits right justified
- mode 0 => 1C/bit, mode !0 => 0.5C/bit */
+/*
+ * This function is common to all 4-bit temperature offsets
+ * reg is 4 bits right justified
+ * mode 0 => 1C/bit, mode !0 => 0.5C/bit
+ */
static int LM93_TEMP_OFFSET_FROM_REG(u8 reg, int mode)
{
return (reg & 0x0f) * (mode ? 5 : 10);
}
-#define LM93_TEMP_OFFSET_MIN ( 0)
+#define LM93_TEMP_OFFSET_MIN (0)
#define LM93_TEMP_OFFSET_MAX0 (150)
-#define LM93_TEMP_OFFSET_MAX1 ( 75)
+#define LM93_TEMP_OFFSET_MAX1 (75)
-/* This function is common to all 4-bit temperature offsets
- returns 4 bits right justified
- mode 0 => 1C/bit, mode !0 => 0.5C/bit */
+/*
+ * This function is common to all 4-bit temperature offsets
+ * returns 4 bits right justified
+ * mode 0 => 1C/bit, mode !0 => 0.5C/bit
+ */
static u8 LM93_TEMP_OFFSET_TO_REG(int off, int mode)
{
int factor = mode ? 5 : 10;
@@ -466,9 +488,11 @@ static int LM93_TEMP_AUTO_OFFSET_FROM_REG(u8 reg, int nr, int mode)
return LM93_TEMP_OFFSET_FROM_REG(reg >> 4 & 0x0f, mode);
}
-/* TEMP: 1/10 degrees C (0C to +15C (mode 0) or +7.5C (mode non-zero))
- REG: 1.0C/bit (mode 0) or 0.5C/bit (mode non-zero)
- 0 <= nr <= 3 */
+/*
+ * TEMP: 1/10 degrees C (0C to +15C (mode 0) or +7.5C (mode non-zero))
+ * REG: 1.0C/bit (mode 0) or 0.5C/bit (mode non-zero)
+ * 0 <= nr <= 3
+ */
static u8 LM93_TEMP_AUTO_OFFSET_TO_REG(u8 old, int off, int nr, int mode)
{
u8 new = LM93_TEMP_OFFSET_TO_REG(off, mode);
@@ -532,9 +556,12 @@ static u8 LM93_AUTO_BOOST_HYST_TO_REG(struct lm93_data *data, long hyst,
return reg;
}
-/* PWM: 0-255 per sensors documentation
- REG: 0-13 as mapped below... right justified */
-typedef enum { LM93_PWM_MAP_HI_FREQ, LM93_PWM_MAP_LO_FREQ } pwm_freq_t;
+/*
+ * PWM: 0-255 per sensors documentation
+ * REG: 0-13 as mapped below... right justified
+ */
+enum pwm_freq { LM93_PWM_MAP_HI_FREQ, LM93_PWM_MAP_LO_FREQ };
+
static int lm93_pwm_map[2][16] = {
{
0x00, /* 0.00% */ 0x40, /* 25.00% */
@@ -558,13 +585,13 @@ static int lm93_pwm_map[2][16] = {
},
};
-static int LM93_PWM_FROM_REG(u8 reg, pwm_freq_t freq)
+static int LM93_PWM_FROM_REG(u8 reg, enum pwm_freq freq)
{
return lm93_pwm_map[freq][reg & 0x0f];
}
/* round up to nearest match */
-static u8 LM93_PWM_TO_REG(int pwm, pwm_freq_t freq)
+static u8 LM93_PWM_TO_REG(int pwm, enum pwm_freq freq)
{
int i;
for (i = 0; i < 13; i++)
@@ -578,7 +605,7 @@ static u8 LM93_PWM_TO_REG(int pwm, pwm_freq_t freq)
static int LM93_FAN_FROM_REG(u16 regs)
{
const u16 count = le16_to_cpu(regs) >> 2;
- return count==0 ? -1 : count==0x3fff ? 0: 1350000 / count;
+ return count == 0 ? -1 : count == 0x3fff ? 0 : 1350000 / count;
}
/*
@@ -600,8 +627,10 @@ static u16 LM93_FAN_TO_REG(long rpm)
return cpu_to_le16(regs);
}
-/* PWM FREQ: HZ
- REG: 0-7 as mapped below */
+/*
+ * PWM FREQ: HZ
+ * REG: 0-7 as mapped below
+ */
static int lm93_pwm_freq_map[8] = {
22500, 96, 84, 72, 60, 48, 36, 12
};
@@ -623,8 +652,10 @@ static u8 LM93_PWM_FREQ_TO_REG(int freq)
return (u8)i;
}
-/* TIME: 1/100 seconds
- * REG: 0-7 as mapped below */
+/*
+ * TIME: 1/100 seconds
+ * REG: 0-7 as mapped below
+ */
static int lm93_spinup_time_map[8] = {
0, 10, 25, 40, 70, 100, 200, 400,
};
@@ -654,24 +685,30 @@ static int LM93_RAMP_FROM_REG(u8 reg)
return (reg & 0x0f) * 5;
}
-/* RAMP: 1/100 seconds
- REG: 50mS/bit 4-bits right justified */
+/*
+ * RAMP: 1/100 seconds
+ * REG: 50mS/bit 4-bits right justified
+ */
static u8 LM93_RAMP_TO_REG(int ramp)
{
ramp = SENSORS_LIMIT(ramp, LM93_RAMP_MIN, LM93_RAMP_MAX);
return (u8)((ramp + 2) / 5);
}
-/* PROCHOT: 0-255, 0 => 0%, 255 => > 96.6%
- * REG: (same) */
+/*
+ * PROCHOT: 0-255, 0 => 0%, 255 => > 96.6%
+ * REG: (same)
+ */
static u8 LM93_PROCHOT_TO_REG(long prochot)
{
prochot = SENSORS_LIMIT(prochot, 0, 255);
return (u8)prochot;
}
-/* PROCHOT-INTERVAL: 73 - 37200 (1/100 seconds)
- * REG: 0-9 as mapped below */
+/*
+ * PROCHOT-INTERVAL: 73 - 37200 (1/100 seconds)
+ * REG: 0-9 as mapped below
+ */
static int lm93_interval_map[10] = {
73, 146, 290, 580, 1170, 2330, 4660, 9320, 18600, 37200,
};
@@ -693,22 +730,25 @@ static u8 LM93_INTERVAL_TO_REG(long interval)
return (u8)i;
}
-/* GPIO: 0-255, GPIO0 is LSB
- * REG: inverted */
+/*
+ * GPIO: 0-255, GPIO0 is LSB
+ * REG: inverted
+ */
static unsigned LM93_GPI_FROM_REG(u8 reg)
{
return ~reg & 0xff;
}
-/* alarm bitmask definitions
- The LM93 has nearly 64 bits of error status... I've pared that down to
- what I think is a useful subset in order to fit it into 32 bits.
-
- Especially note that the #VRD_HOT alarms are missing because we provide
- that information as values in another sysfs file.
-
- If libsensors is extended to support 64 bit values, this could be revisited.
-*/
+/*
+ * alarm bitmask definitions
+ * The LM93 has nearly 64 bits of error status... I've pared that down to
+ * what I think is a useful subset in order to fit it into 32 bits.
+ *
+ * Especially note that the #VRD_HOT alarms are missing because we provide
+ * that information as values in another sysfs file.
+ *
+ * If libsensors is extended to support 64 bit values, this could be revisited.
+ */
#define LM93_ALARM_IN1 0x00000001
#define LM93_ALARM_IN2 0x00000002
#define LM93_ALARM_IN3 0x00000004
@@ -772,11 +812,12 @@ static u8 lm93_read_byte(struct i2c_client *client, u8 reg)
int value, i;
/* retry in case of read errors */
- for (i=1; i<=MAX_RETRIES; i++) {
- if ((value = i2c_smbus_read_byte_data(client, reg)) >= 0) {
+ for (i = 1; i <= MAX_RETRIES; i++) {
+ value = i2c_smbus_read_byte_data(client, reg);
+ if (value >= 0) {
return value;
} else {
- dev_warn(&client->dev,"lm93: read byte data failed, "
+ dev_warn(&client->dev, "lm93: read byte data failed, "
"address 0x%02x.\n", reg);
mdelay(i + 3);
}
@@ -784,7 +825,7 @@ static u8 lm93_read_byte(struct i2c_client *client, u8 reg)
}
/* <TODO> what to return in case of error? */
- dev_err(&client->dev,"lm93: All read byte retries failed!!\n");
+ dev_err(&client->dev, "lm93: All read byte retries failed!!\n");
return 0;
}
@@ -796,7 +837,7 @@ static int lm93_write_byte(struct i2c_client *client, u8 reg, u8 value)
result = i2c_smbus_write_byte_data(client, reg, value);
if (result < 0)
- dev_warn(&client->dev,"lm93: write byte data failed, "
+ dev_warn(&client->dev, "lm93: write byte data failed, "
"0x%02x at address 0x%02x.\n", value, reg);
return result;
@@ -807,11 +848,12 @@ static u16 lm93_read_word(struct i2c_client *client, u8 reg)
int value, i;
/* retry in case of read errors */
- for (i=1; i<=MAX_RETRIES; i++) {
- if ((value = i2c_smbus_read_word_data(client, reg)) >= 0) {
+ for (i = 1; i <= MAX_RETRIES; i++) {
+ value = i2c_smbus_read_word_data(client, reg);
+ if (value >= 0) {
return value;
} else {
- dev_warn(&client->dev,"lm93: read word data failed, "
+ dev_warn(&client->dev, "lm93: read word data failed, "
"address 0x%02x.\n", reg);
mdelay(i + 3);
}
@@ -819,7 +861,7 @@ static u16 lm93_read_word(struct i2c_client *client, u8 reg)
}
/* <TODO> what to return in case of error? */
- dev_err(&client->dev,"lm93: All read word retries failed!!\n");
+ dev_err(&client->dev, "lm93: All read word retries failed!!\n");
return 0;
}
@@ -831,7 +873,7 @@ static int lm93_write_word(struct i2c_client *client, u8 reg, u16 value)
result = i2c_smbus_write_word_data(client, reg, value);
if (result < 0)
- dev_warn(&client->dev,"lm93: write word data failed, "
+ dev_warn(&client->dev, "lm93: write word data failed, "
"0x%04x at address 0x%02x.\n", value, reg);
return result;
@@ -840,13 +882,13 @@ static int lm93_write_word(struct i2c_client *client, u8 reg, u16 value)
static u8 lm93_block_buffer[I2C_SMBUS_BLOCK_MAX];
/*
- read block data into values, retry if not expected length
- fbn => index to lm93_block_read_cmds table
- (Fixed Block Number - section 14.5.2 of LM93 datasheet)
-*/
+ * read block data into values, retry if not expected length
+ * fbn => index to lm93_block_read_cmds table
+ * (Fixed Block Number - section 14.5.2 of LM93 datasheet)
+ */
static void lm93_read_block(struct i2c_client *client, u8 fbn, u8 *values)
{
- int i, result=0;
+ int i, result = 0;
for (i = 1; i <= MAX_RETRIES; i++) {
result = i2c_smbus_read_block_data(client,
@@ -855,7 +897,7 @@ static void lm93_read_block(struct i2c_client *client, u8 fbn, u8 *values)
if (result == lm93_block_read_cmds[fbn].len) {
break;
} else {
- dev_warn(&client->dev,"lm93: block read data failed, "
+ dev_warn(&client->dev, "lm93: block read data failed, "
"command 0x%02x.\n",
lm93_block_read_cmds[fbn].cmd);
mdelay(i + 3);
@@ -863,7 +905,8 @@ static void lm93_read_block(struct i2c_client *client, u8 fbn, u8 *values)
}
if (result == lm93_block_read_cmds[fbn].len) {
- memcpy(values,lm93_block_buffer,lm93_block_read_cmds[fbn].len);
+ memcpy(values, lm93_block_buffer,
+ lm93_block_read_cmds[fbn].len);
} else {
/* <TODO> what to do in case of error? */
}
@@ -964,7 +1007,7 @@ static void lm93_update_client_common(struct lm93_data *data,
static void lm93_update_client_full(struct lm93_data *data,
struct i2c_client *client)
{
- dev_dbg(&client->dev,"starting device update (block data enabled)\n");
+ dev_dbg(&client->dev, "starting device update (block data enabled)\n");
/* in1 - in16: values & limits */
lm93_read_block(client, 3, (u8 *)(data->block3));
@@ -996,10 +1039,10 @@ static void lm93_update_client_full(struct lm93_data *data,
static void lm93_update_client_min(struct lm93_data *data,
struct i2c_client *client)
{
- int i,j;
+ int i, j;
u8 *ptr;
- dev_dbg(&client->dev,"starting device update (block data disabled)\n");
+ dev_dbg(&client->dev, "starting device update (block data disabled)\n");
/* in1 - in16: values & limits */
for (i = 0; i < 16; i++) {
@@ -1037,7 +1080,7 @@ static void lm93_update_client_min(struct lm93_data *data,
for (i = 0; i < 2; i++) {
for (j = 0; j < 4; j++) {
data->block9[i][j] =
- lm93_read_byte(client, LM93_REG_PWM_CTL(i,j));
+ lm93_read_byte(client, LM93_REG_PWM_CTL(i, j));
}
}
@@ -1097,14 +1140,13 @@ static ssize_t show_in_min(struct device *dev,
int vccp = nr - 6;
long rc, vid;
- if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) {
+ if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
vid = LM93_VID_FROM_REG(data->vid[vccp]);
rc = LM93_IN_MIN_FROM_REG(data->vccp_limits[vccp], vid);
+ } else {
+ rc = LM93_IN_FROM_REG(nr, data->block7[nr].min);
}
- else {
- rc = LM93_IN_FROM_REG(nr, data->block7[nr].min); \
- }
- return sprintf(buf, "%ld\n", rc); \
+ return sprintf(buf, "%ld\n", rc);
}
static ssize_t store_in_min(struct device *dev, struct device_attribute *attr,
@@ -1113,20 +1155,24 @@ static ssize_t store_in_min(struct device *dev, struct device_attribute *attr,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
int vccp = nr - 6;
long vid;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
- if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) {
+ if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
vid = LM93_VID_FROM_REG(data->vid[vccp]);
data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0xf0) |
LM93_IN_REL_TO_REG(val, 0, vid);
lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp),
data->vccp_limits[vccp]);
- }
- else {
- data->block7[nr].min = LM93_IN_TO_REG(nr,val);
+ } else {
+ data->block7[nr].min = LM93_IN_TO_REG(nr, val);
lm93_write_byte(client, LM93_REG_IN_MIN(nr),
data->block7[nr].min);
}
@@ -1175,14 +1221,13 @@ static ssize_t show_in_max(struct device *dev,
int vccp = nr - 6;
long rc, vid;
- if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) {
+ if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
vid = LM93_VID_FROM_REG(data->vid[vccp]);
- rc = LM93_IN_MAX_FROM_REG(data->vccp_limits[vccp],vid);
- }
- else {
- rc = LM93_IN_FROM_REG(nr,data->block7[nr].max); \
+ rc = LM93_IN_MAX_FROM_REG(data->vccp_limits[vccp], vid);
+ } else {
+ rc = LM93_IN_FROM_REG(nr, data->block7[nr].max);
}
- return sprintf(buf,"%ld\n",rc); \
+ return sprintf(buf, "%ld\n", rc);
}
static ssize_t store_in_max(struct device *dev, struct device_attribute *attr,
@@ -1191,20 +1236,24 @@ static ssize_t store_in_max(struct device *dev, struct device_attribute *attr,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
int vccp = nr - 6;
long vid;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
- if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) {
+ if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
vid = LM93_VID_FROM_REG(data->vid[vccp]);
data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0x0f) |
LM93_IN_REL_TO_REG(val, 1, vid);
lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp),
data->vccp_limits[vccp]);
- }
- else {
- data->block7[nr].max = LM93_IN_TO_REG(nr,val);
+ } else {
+ data->block7[nr].max = LM93_IN_TO_REG(nr, val);
lm93_write_byte(client, LM93_REG_IN_MAX(nr),
data->block7[nr].max);
}
@@ -1250,7 +1299,7 @@ static ssize_t show_temp(struct device *dev,
{
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->block2[nr]));
+ return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block2[nr]));
}
static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
@@ -1262,7 +1311,7 @@ static ssize_t show_temp_min(struct device *dev,
{
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->temp_lim[nr].min));
+ return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].min));
}
static ssize_t store_temp_min(struct device *dev, struct device_attribute *attr,
@@ -1271,7 +1320,12 @@ static ssize_t store_temp_min(struct device *dev, struct device_attribute *attr,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_lim[nr].min = LM93_TEMP_TO_REG(val);
@@ -1292,7 +1346,7 @@ static ssize_t show_temp_max(struct device *dev,
{
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->temp_lim[nr].max));
+ return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].max));
}
static ssize_t store_temp_max(struct device *dev, struct device_attribute *attr,
@@ -1301,7 +1355,12 @@ static ssize_t store_temp_max(struct device *dev, struct device_attribute *attr,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_lim[nr].max = LM93_TEMP_TO_REG(val);
@@ -1322,7 +1381,7 @@ static ssize_t show_temp_auto_base(struct device *dev,
{
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->block10.base[nr]));
+ return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block10.base[nr]));
}
static ssize_t store_temp_auto_base(struct device *dev,
@@ -1332,7 +1391,12 @@ static ssize_t store_temp_auto_base(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->block10.base[nr] = LM93_TEMP_TO_REG(val);
@@ -1349,11 +1413,11 @@ static SENSOR_DEVICE_ATTR(temp3_auto_base, S_IWUSR | S_IRUGO,
show_temp_auto_base, store_temp_auto_base, 2);
static ssize_t show_temp_auto_boost(struct device *dev,
- struct device_attribute *attr,char *buf)
+ struct device_attribute *attr, char *buf)
{
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->boost[nr]));
+ return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->boost[nr]));
}
static ssize_t store_temp_auto_boost(struct device *dev,
@@ -1363,7 +1427,12 @@ static ssize_t store_temp_auto_boost(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->boost[nr] = LM93_TEMP_TO_REG(val);
@@ -1386,7 +1455,7 @@ static ssize_t show_temp_auto_boost_hyst(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
- return sprintf(buf,"%d\n",
+ return sprintf(buf, "%d\n",
LM93_AUTO_BOOST_HYST_FROM_REGS(data, nr, mode));
}
@@ -1397,7 +1466,12 @@ static ssize_t store_temp_auto_boost_hyst(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
/* force 0.5C/bit mode */
@@ -1429,9 +1503,9 @@ static ssize_t show_temp_auto_offset(struct device *dev,
int ofs = s_attr->nr;
struct lm93_data *data = lm93_update_device(dev);
int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
- return sprintf(buf,"%d\n",
+ return sprintf(buf, "%d\n",
LM93_TEMP_AUTO_OFFSET_FROM_REG(data->block10.offset[ofs],
- nr,mode));
+ nr, mode));
}
static ssize_t store_temp_auto_offset(struct device *dev,
@@ -1443,7 +1517,12 @@ static ssize_t store_temp_auto_offset(struct device *dev,
int ofs = s_attr->nr;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
/* force 0.5C/bit mode */
@@ -1539,7 +1618,7 @@ static ssize_t show_temp_auto_pwm_min(struct device *dev,
struct lm93_data *data = lm93_update_device(dev);
reg = data->auto_pwm_min_hyst[nr/2] >> 4 & 0x0f;
ctl4 = data->block9[nr][LM93_PWM_CTL4];
- return sprintf(buf,"%d\n",LM93_PWM_FROM_REG(reg, (ctl4 & 0x07) ?
+ return sprintf(buf, "%d\n", LM93_PWM_FROM_REG(reg, (ctl4 & 0x07) ?
LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ));
}
@@ -1550,12 +1629,17 @@ static ssize_t store_temp_auto_pwm_min(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
u8 reg, ctl4;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
reg = lm93_read_byte(client, LM93_REG_PWM_MIN_HYST(nr));
- ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4));
+ ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
reg = (reg & 0x0f) |
LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
LM93_PWM_MAP_LO_FREQ :
@@ -1582,8 +1666,8 @@ static ssize_t show_temp_auto_offset_hyst(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
- return sprintf(buf,"%d\n",LM93_TEMP_OFFSET_FROM_REG(
- data->auto_pwm_min_hyst[nr/2], mode));
+ return sprintf(buf, "%d\n", LM93_TEMP_OFFSET_FROM_REG(
+ data->auto_pwm_min_hyst[nr / 2], mode));
}
static ssize_t store_temp_auto_offset_hyst(struct device *dev,
@@ -1593,8 +1677,13 @@ static ssize_t store_temp_auto_offset_hyst(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
u8 reg;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
/* force 0.5C/bit mode */
@@ -1626,7 +1715,7 @@ static ssize_t show_fan_input(struct device *dev,
int nr = s_attr->index;
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",LM93_FAN_FROM_REG(data->block5[nr]));
+ return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block5[nr]));
}
static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0);
@@ -1640,7 +1729,7 @@ static ssize_t show_fan_min(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",LM93_FAN_FROM_REG(data->block8[nr]));
+ return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block8[nr]));
}
static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr,
@@ -1649,11 +1738,16 @@ static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->block8[nr] = LM93_FAN_TO_REG(val);
- lm93_write_word(client,LM93_REG_FAN_MIN(nr),data->block8[nr]);
+ lm93_write_word(client, LM93_REG_FAN_MIN(nr), data->block8[nr]);
mutex_unlock(&data->update_lock);
return count;
}
@@ -1667,18 +1761,19 @@ static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO,
static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO,
show_fan_min, store_fan_min, 3);
-/* some tedious bit-twiddling here to deal with the register format:
-
- data->sf_tach_to_pwm: (tach to pwm mapping bits)
-
- bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
- T4:P2 T4:P1 T3:P2 T3:P1 T2:P2 T2:P1 T1:P2 T1:P1
-
- data->sfc2: (enable bits)
-
- bit | 3 | 2 | 1 | 0
- T4 T3 T2 T1
-*/
+/*
+ * some tedious bit-twiddling here to deal with the register format:
+ *
+ * data->sf_tach_to_pwm: (tach to pwm mapping bits)
+ *
+ * bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
+ * T4:P2 T4:P1 T3:P2 T3:P1 T2:P2 T2:P1 T1:P2 T1:P1
+ *
+ * data->sfc2: (enable bits)
+ *
+ * bit | 3 | 2 | 1 | 0
+ * T4 T3 T2 T1
+ */
static ssize_t show_fan_smart_tach(struct device *dev,
struct device_attribute *attr, char *buf)
@@ -1694,11 +1789,13 @@ static ssize_t show_fan_smart_tach(struct device *dev,
/* if there's a mapping and it's enabled */
if (mapping && ((data->sfc2 >> nr) & 0x01))
rc = mapping;
- return sprintf(buf,"%ld\n",rc);
+ return sprintf(buf, "%ld\n", rc);
}
-/* helper function - must grab data->update_lock before calling
- fan is 0-3, indicating fan1-fan4 */
+/*
+ * helper function - must grab data->update_lock before calling
+ * fan is 0-3, indicating fan1-fan4
+ */
static void lm93_write_fan_smart_tach(struct i2c_client *client,
struct lm93_data *data, int fan, long value)
{
@@ -1724,7 +1821,12 @@ static ssize_t store_fan_smart_tach(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
/* sanity test, ignore the write otherwise */
@@ -1732,7 +1834,7 @@ static ssize_t store_fan_smart_tach(struct device *dev,
/* can't enable if pwm freq is 22.5KHz */
if (val) {
u8 ctl4 = lm93_read_byte(client,
- LM93_REG_PWM_CTL(val-1,LM93_PWM_CTL4));
+ LM93_REG_PWM_CTL(val - 1, LM93_PWM_CTL4));
if ((ctl4 & 0x07) == 0)
val = 0;
}
@@ -1766,7 +1868,7 @@ static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
else /* show present h/w value if manual pwm disabled */
rc = LM93_PWM_FROM_REG(ctl2 >> 4, (ctl4 & 0x07) ?
LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ);
- return sprintf(buf,"%ld\n",rc);
+ return sprintf(buf, "%ld\n", rc);
}
static ssize_t store_pwm(struct device *dev, struct device_attribute *attr,
@@ -1775,19 +1877,24 @@ static ssize_t store_pwm(struct device *dev, struct device_attribute *attr,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
u8 ctl2, ctl4;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
- ctl2 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2));
- ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4));
- ctl2 = (ctl2 & 0x0f) | LM93_PWM_TO_REG(val,(ctl4 & 0x07) ?
+ ctl2 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2));
+ ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
+ ctl2 = (ctl2 & 0x0f) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ) << 4;
/* save user commanded value */
data->pwm_override[nr] = LM93_PWM_FROM_REG(ctl2 >> 4,
(ctl4 & 0x07) ? LM93_PWM_MAP_LO_FREQ :
LM93_PWM_MAP_HI_FREQ);
- lm93_write_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2),ctl2);
+ lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2), ctl2);
mutex_unlock(&data->update_lock);
return count;
}
@@ -1808,7 +1915,7 @@ static ssize_t show_pwm_enable(struct device *dev,
rc = ((ctl2 & 0xF0) == 0xF0) ? 0 : 1;
else
rc = 2;
- return sprintf(buf,"%ld\n",rc);
+ return sprintf(buf, "%ld\n", rc);
}
static ssize_t store_pwm_enable(struct device *dev,
@@ -1818,26 +1925,33 @@ static ssize_t store_pwm_enable(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
u8 ctl2;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
- ctl2 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2));
+ ctl2 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2));
switch (val) {
case 0:
ctl2 |= 0xF1; /* enable manual override, set PWM to max */
break;
- case 1: ctl2 |= 0x01; /* enable manual override */
+ case 1:
+ ctl2 |= 0x01; /* enable manual override */
break;
- case 2: ctl2 &= ~0x01; /* disable manual override */
+ case 2:
+ ctl2 &= ~0x01; /* disable manual override */
break;
default:
mutex_unlock(&data->update_lock);
return -EINVAL;
}
- lm93_write_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2),ctl2);
+ lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2), ctl2);
mutex_unlock(&data->update_lock);
return count;
}
@@ -1855,12 +1969,14 @@ static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr,
u8 ctl4;
ctl4 = data->block9[nr][LM93_PWM_CTL4];
- return sprintf(buf,"%d\n",LM93_PWM_FREQ_FROM_REG(ctl4));
+ return sprintf(buf, "%d\n", LM93_PWM_FREQ_FROM_REG(ctl4));
}
-/* helper function - must grab data->update_lock before calling
- pwm is 0-1, indicating pwm1-pwm2
- this disables smart tach for all tach channels bound to the given pwm */
+/*
+ * helper function - must grab data->update_lock before calling
+ * pwm is 0-1, indicating pwm1-pwm2
+ * this disables smart tach for all tach channels bound to the given pwm
+ */
static void lm93_disable_fan_smart_tach(struct i2c_client *client,
struct lm93_data *data, int pwm)
{
@@ -1887,17 +2003,22 @@ static ssize_t store_pwm_freq(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
u8 ctl4;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
- ctl4 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4));
+ ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
ctl4 = (ctl4 & 0xf8) | LM93_PWM_FREQ_TO_REG(val);
data->block9[nr][LM93_PWM_CTL4] = ctl4;
/* ctl4 == 0 -> 22.5KHz -> disable smart tach */
if (!ctl4)
lm93_disable_fan_smart_tach(client, data, nr);
- lm93_write_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4), ctl4);
+ lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4), ctl4);
mutex_unlock(&data->update_lock);
return count;
}
@@ -1912,7 +2033,7 @@ static ssize_t show_pwm_auto_channels(struct device *dev,
{
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",data->block9[nr][LM93_PWM_CTL1]);
+ return sprintf(buf, "%d\n", data->block9[nr][LM93_PWM_CTL1]);
}
static ssize_t store_pwm_auto_channels(struct device *dev,
@@ -1922,11 +2043,16 @@ static ssize_t store_pwm_auto_channels(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->block9[nr][LM93_PWM_CTL1] = SENSORS_LIMIT(val, 0, 255);
- lm93_write_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL1),
+ lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL1),
data->block9[nr][LM93_PWM_CTL1]);
mutex_unlock(&data->update_lock);
return count;
@@ -1938,7 +2064,7 @@ static SENSOR_DEVICE_ATTR(pwm2_auto_channels, S_IWUSR | S_IRUGO,
show_pwm_auto_channels, store_pwm_auto_channels, 1);
static ssize_t show_pwm_auto_spinup_min(struct device *dev,
- struct device_attribute *attr,char *buf)
+ struct device_attribute *attr, char *buf)
{
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
@@ -1946,7 +2072,7 @@ static ssize_t show_pwm_auto_spinup_min(struct device *dev,
ctl3 = data->block9[nr][LM93_PWM_CTL3];
ctl4 = data->block9[nr][LM93_PWM_CTL4];
- return sprintf(buf,"%d\n",
+ return sprintf(buf, "%d\n",
LM93_PWM_FROM_REG(ctl3 & 0x0f, (ctl4 & 0x07) ?
LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ));
}
@@ -1958,17 +2084,22 @@ static ssize_t store_pwm_auto_spinup_min(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
u8 ctl3, ctl4;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
- ctl3 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3));
- ctl4 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
- ctl3 = (ctl3 & 0xf0) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
+ ctl3 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3));
+ ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
+ ctl3 = (ctl3 & 0xf0) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
LM93_PWM_MAP_LO_FREQ :
LM93_PWM_MAP_HI_FREQ);
data->block9[nr][LM93_PWM_CTL3] = ctl3;
- lm93_write_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3);
+ lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3);
mutex_unlock(&data->update_lock);
return count;
}
@@ -1985,7 +2116,7 @@ static ssize_t show_pwm_auto_spinup_time(struct device *dev,
{
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",LM93_SPINUP_TIME_FROM_REG(
+ return sprintf(buf, "%d\n", LM93_SPINUP_TIME_FROM_REG(
data->block9[nr][LM93_PWM_CTL3]));
}
@@ -1996,14 +2127,19 @@ static ssize_t store_pwm_auto_spinup_time(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
u8 ctl3;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
- ctl3 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3));
+ ctl3 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3));
ctl3 = (ctl3 & 0x1f) | (LM93_SPINUP_TIME_TO_REG(val) << 5 & 0xe0);
data->block9[nr][LM93_PWM_CTL3] = ctl3;
- lm93_write_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3);
+ lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3);
mutex_unlock(&data->update_lock);
return count;
}
@@ -2019,7 +2155,7 @@ static ssize_t show_pwm_auto_prochot_ramp(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",
+ return sprintf(buf, "%d\n",
LM93_RAMP_FROM_REG(data->pwm_ramp_ctl >> 4 & 0x0f));
}
@@ -2029,8 +2165,13 @@ static ssize_t store_pwm_auto_prochot_ramp(struct device *dev,
{
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
u8 ramp;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);
@@ -2048,7 +2189,7 @@ static ssize_t show_pwm_auto_vrdhot_ramp(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",
+ return sprintf(buf, "%d\n",
LM93_RAMP_FROM_REG(data->pwm_ramp_ctl & 0x0f));
}
@@ -2058,8 +2199,13 @@ static ssize_t store_pwm_auto_vrdhot_ramp(struct device *dev,
{
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
u8 ramp;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);
@@ -2078,7 +2224,7 @@ static ssize_t show_vid(struct device *dev, struct device_attribute *attr,
{
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",LM93_VID_FROM_REG(data->vid[nr]));
+ return sprintf(buf, "%d\n", LM93_VID_FROM_REG(data->vid[nr]));
}
static SENSOR_DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL, 0);
@@ -2089,7 +2235,7 @@ static ssize_t show_prochot(struct device *dev, struct device_attribute *attr,
{
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",data->block4[nr].cur);
+ return sprintf(buf, "%d\n", data->block4[nr].cur);
}
static SENSOR_DEVICE_ATTR(prochot1, S_IRUGO, show_prochot, NULL, 0);
@@ -2100,7 +2246,7 @@ static ssize_t show_prochot_avg(struct device *dev,
{
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",data->block4[nr].avg);
+ return sprintf(buf, "%d\n", data->block4[nr].avg);
}
static SENSOR_DEVICE_ATTR(prochot1_avg, S_IRUGO, show_prochot_avg, NULL, 0);
@@ -2111,7 +2257,7 @@ static ssize_t show_prochot_max(struct device *dev,
{
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",data->prochot_max[nr]);
+ return sprintf(buf, "%d\n", data->prochot_max[nr]);
}
static ssize_t store_prochot_max(struct device *dev,
@@ -2121,7 +2267,12 @@ static ssize_t store_prochot_max(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->prochot_max[nr] = LM93_PROCHOT_TO_REG(val);
@@ -2143,7 +2294,7 @@ static ssize_t show_prochot_override(struct device *dev,
{
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",
+ return sprintf(buf, "%d\n",
(data->prochot_override & prochot_override_mask[nr]) ? 1 : 0);
}
@@ -2154,7 +2305,12 @@ static ssize_t store_prochot_override(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
if (val)
@@ -2178,11 +2334,11 @@ static ssize_t show_prochot_interval(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
u8 tmp;
- if (nr==1)
+ if (nr == 1)
tmp = (data->prochot_interval & 0xf0) >> 4;
else
tmp = data->prochot_interval & 0x0f;
- return sprintf(buf,"%d\n",LM93_INTERVAL_FROM_REG(tmp));
+ return sprintf(buf, "%d\n", LM93_INTERVAL_FROM_REG(tmp));
}
static ssize_t store_prochot_interval(struct device *dev,
@@ -2192,12 +2348,17 @@ static ssize_t store_prochot_interval(struct device *dev,
int nr = (to_sensor_dev_attr(attr))->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
u8 tmp;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
tmp = lm93_read_byte(client, LM93_REG_PROCHOT_INTERVAL);
- if (nr==1)
+ if (nr == 1)
tmp = (tmp & 0x0f) | (LM93_INTERVAL_TO_REG(val) << 4);
else
tmp = (tmp & 0xf0) | LM93_INTERVAL_TO_REG(val);
@@ -2217,7 +2378,7 @@ static ssize_t show_prochot_override_duty_cycle(struct device *dev,
char *buf)
{
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",data->prochot_override & 0x0f);
+ return sprintf(buf, "%d\n", data->prochot_override & 0x0f);
}
static ssize_t store_prochot_override_duty_cycle(struct device *dev,
@@ -2226,7 +2387,12 @@ static ssize_t store_prochot_override_duty_cycle(struct device *dev,
{
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->prochot_override = (data->prochot_override & 0xf0) |
@@ -2245,7 +2411,7 @@ static ssize_t show_prochot_short(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",(data->config & 0x10) ? 1 : 0);
+ return sprintf(buf, "%d\n", (data->config & 0x10) ? 1 : 0);
}
static ssize_t store_prochot_short(struct device *dev,
@@ -2254,7 +2420,12 @@ static ssize_t store_prochot_short(struct device *dev,
{
struct i2c_client *client = to_i2c_client(dev);
struct lm93_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
if (val)
@@ -2274,8 +2445,8 @@ static ssize_t show_vrdhot(struct device *dev, struct device_attribute *attr,
{
int nr = (to_sensor_dev_attr(attr))->index;
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",
- data->block1.host_status_1 & (1 << (nr+4)) ? 1 : 0);
+ return sprintf(buf, "%d\n",
+ data->block1.host_status_1 & (1 << (nr + 4)) ? 1 : 0);
}
static SENSOR_DEVICE_ATTR(vrdhot1, S_IRUGO, show_vrdhot, NULL, 0);
@@ -2285,7 +2456,7 @@ static ssize_t show_gpio(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",LM93_GPI_FROM_REG(data->gpi));
+ return sprintf(buf, "%d\n", LM93_GPI_FROM_REG(data->gpi));
}
static DEVICE_ATTR(gpio, S_IRUGO, show_gpio, NULL);
@@ -2294,7 +2465,7 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct lm93_data *data = lm93_update_device(dev);
- return sprintf(buf,"%d\n",LM93_ALARMS_FROM_REG(data->block1));
+ return sprintf(buf, "%d\n", LM93_ALARMS_FROM_REG(data->block1));
}
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
@@ -2494,13 +2665,13 @@ static void lm93_init_client(struct i2c_client *client)
lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x01);
/* spin until ready */
- for (i=0; i<20; i++) {
+ for (i = 0; i < 20; i++) {
msleep(10);
if ((lm93_read_byte(client, LM93_REG_CONFIG) & 0x80) == 0x80)
return;
}
- dev_warn(&client->dev,"timed out waiting for sensor "
+ dev_warn(&client->dev, "timed out waiting for sensor "
"chip to signal ready!\n");
}
@@ -2540,7 +2711,7 @@ static int lm93_detect(struct i2c_client *client, struct i2c_board_info *info)
}
strlcpy(info->type, name, I2C_NAME_SIZE);
- dev_dbg(&adapter->dev,"loading %s at %d,0x%02x\n",
+ dev_dbg(&adapter->dev, "loading %s at %d, 0x%02x\n",
client->name, i2c_adapter_id(client->adapter),
client->addr);
@@ -2593,7 +2764,7 @@ static int lm93_probe(struct i2c_client *client,
/* Register hwmon driver class */
data->hwmon_dev = hwmon_device_register(&client->dev);
- if ( !IS_ERR(data->hwmon_dev))
+ if (!IS_ERR(data->hwmon_dev))
return 0;
err = PTR_ERR(data->hwmon_dev);
@@ -2635,20 +2806,9 @@ static struct i2c_driver lm93_driver = {
.address_list = normal_i2c,
};
-static int __init lm93_init(void)
-{
- return i2c_add_driver(&lm93_driver);
-}
-
-static void __exit lm93_exit(void)
-{
- i2c_del_driver(&lm93_driver);
-}
+module_i2c_driver(lm93_driver);
MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>, "
"Hans J. Koch <hjk@hansjkoch.de>");
MODULE_DESCRIPTION("LM93 driver");
MODULE_LICENSE("GPL");
-
-module_init(lm93_init);
-module_exit(lm93_exit);
diff --git a/drivers/hwmon/lm95241.c b/drivers/hwmon/lm95241.c
index 70bca671e08..bd8cdb7b96e 100644
--- a/drivers/hwmon/lm95241.c
+++ b/drivers/hwmon/lm95241.c
@@ -455,19 +455,8 @@ static struct i2c_driver lm95241_driver = {
.address_list = normal_i2c,
};
-static int __init sensors_lm95241_init(void)
-{
- return i2c_add_driver(&lm95241_driver);
-}
-
-static void __exit sensors_lm95241_exit(void)
-{
- i2c_del_driver(&lm95241_driver);
-}
+module_i2c_driver(lm95241_driver);
MODULE_AUTHOR("Davide Rizzo <elpa.rizzo@gmail.com>");
MODULE_DESCRIPTION("LM95241 sensor driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_lm95241_init);
-module_exit(sensors_lm95241_exit);
diff --git a/drivers/hwmon/lm95245.c b/drivers/hwmon/lm95245.c
index 5e5fc1b0ace..9a46c106a24 100644
--- a/drivers/hwmon/lm95245.c
+++ b/drivers/hwmon/lm95245.c
@@ -525,19 +525,8 @@ static struct i2c_driver lm95245_driver = {
.address_list = normal_i2c,
};
-static int __init sensors_lm95245_init(void)
-{
- return i2c_add_driver(&lm95245_driver);
-}
-
-static void __exit sensors_lm95245_exit(void)
-{
- i2c_del_driver(&lm95245_driver);
-}
+module_i2c_driver(lm95245_driver);
MODULE_AUTHOR("Alexander Stein <alexander.stein@systec-electronic.com>");
MODULE_DESCRIPTION("LM95245 sensor driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_lm95245_init);
-module_exit(sensors_lm95245_exit);
diff --git a/drivers/hwmon/ltc4151.c b/drivers/hwmon/ltc4151.c
index 4ac06b75aa6..4d005b219de 100644
--- a/drivers/hwmon/ltc4151.c
+++ b/drivers/hwmon/ltc4151.c
@@ -154,7 +154,8 @@ static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, \
static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, \
ltc4151_show_value, NULL, LTC4151_SENSE_H);
-/* Finally, construct an array of pointers to members of the above objects,
+/*
+ * Finally, construct an array of pointers to members of the above objects,
* as required for sysfs_create_group()
*/
static struct attribute *ltc4151_attributes[] = {
@@ -238,19 +239,8 @@ static struct i2c_driver ltc4151_driver = {
.id_table = ltc4151_id,
};
-static int __init ltc4151_init(void)
-{
- return i2c_add_driver(&ltc4151_driver);
-}
-
-static void __exit ltc4151_exit(void)
-{
- i2c_del_driver(&ltc4151_driver);
-}
+module_i2c_driver(ltc4151_driver);
MODULE_AUTHOR("Per Dalen <per.dalen@appeartv.com>");
MODULE_DESCRIPTION("LTC4151 driver");
MODULE_LICENSE("GPL");
-
-module_init(ltc4151_init);
-module_exit(ltc4151_exit);
diff --git a/drivers/hwmon/ltc4215.c b/drivers/hwmon/ltc4215.c
index c7e6d8e8165..429c5b2b66f 100644
--- a/drivers/hwmon/ltc4215.c
+++ b/drivers/hwmon/ltc4215.c
@@ -91,8 +91,10 @@ static int ltc4215_get_voltage(struct device *dev, u8 reg)
voltage = regval * 605 / 10;
break;
case LTC4215_ADIN:
- /* The ADIN input is divided by 12.5, and has 4.82 mV
- * per increment, so we have the additional multiply */
+ /*
+ * The ADIN input is divided by 12.5, and has 4.82 mV
+ * per increment, so we have the additional multiply
+ */
voltage = regval * 482 * 125 / 1000;
break;
default:
@@ -109,7 +111,8 @@ static unsigned int ltc4215_get_current(struct device *dev)
{
struct ltc4215_data *data = ltc4215_update_device(dev);
- /* The strange looking conversions that follow are fixed-point
+ /*
+ * The strange looking conversions that follow are fixed-point
* math, since we cannot do floating point in the kernel.
*
* Step 1: convert sense register to microVolts
@@ -176,7 +179,8 @@ static ssize_t ltc4215_show_alarm(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%u\n", (reg & mask) ? 1 : 0);
}
-/* These macros are used below in constructing device attribute objects
+/*
+ * These macros are used below in constructing device attribute objects
* for use with sysfs_create_group() to make a sysfs device file
* for each register.
*/
@@ -215,7 +219,8 @@ LTC4215_ALARM(in1_min_alarm, (1 << 1), LTC4215_STATUS);
LTC4215_VOLTAGE(in2_input, LTC4215_SOURCE);
LTC4215_ALARM(in2_min_alarm, (1 << 3), LTC4215_STATUS);
-/* Finally, construct an array of pointers to members of the above objects,
+/*
+ * Finally, construct an array of pointers to members of the above objects,
* as required for sysfs_create_group()
*/
static struct attribute *ltc4215_attributes[] = {
@@ -309,19 +314,8 @@ static struct i2c_driver ltc4215_driver = {
.id_table = ltc4215_id,
};
-static int __init ltc4215_init(void)
-{
- return i2c_add_driver(&ltc4215_driver);
-}
-
-static void __exit ltc4215_exit(void)
-{
- i2c_del_driver(&ltc4215_driver);
-}
+module_i2c_driver(ltc4215_driver);
MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>");
MODULE_DESCRIPTION("LTC4215 driver");
MODULE_LICENSE("GPL");
-
-module_init(ltc4215_init);
-module_exit(ltc4215_exit);
diff --git a/drivers/hwmon/ltc4245.c b/drivers/hwmon/ltc4245.c
index 65930832930..b99b45bafda 100644
--- a/drivers/hwmon/ltc4245.c
+++ b/drivers/hwmon/ltc4245.c
@@ -214,7 +214,8 @@ static unsigned int ltc4245_get_current(struct device *dev, u8 reg)
unsigned int voltage;
unsigned int curr;
- /* The strange looking conversions that follow are fixed-point
+ /*
+ * The strange looking conversions that follow are fixed-point
* math, since we cannot do floating point in the kernel.
*
* Step 1: convert sense register to microVolts
@@ -317,7 +318,8 @@ static ssize_t ltc4245_show_gpio(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%u\n", val * 10);
}
-/* These macros are used below in constructing device attribute objects
+/*
+ * These macros are used below in constructing device attribute objects
* for use with sysfs_create_group() to make a sysfs device file
* for each register.
*/
@@ -391,7 +393,8 @@ LTC4245_POWER(power2_input, LTC4245_5VSENSE);
LTC4245_POWER(power3_input, LTC4245_3VSENSE);
LTC4245_POWER(power4_input, LTC4245_VEESENSE);
-/* Finally, construct an array of pointers to members of the above objects,
+/*
+ * Finally, construct an array of pointers to members of the above objects,
* as required for sysfs_create_group()
*/
static struct attribute *ltc4245_std_attributes[] = {
@@ -578,19 +581,8 @@ static struct i2c_driver ltc4245_driver = {
.id_table = ltc4245_id,
};
-static int __init ltc4245_init(void)
-{
- return i2c_add_driver(&ltc4245_driver);
-}
-
-static void __exit ltc4245_exit(void)
-{
- i2c_del_driver(&ltc4245_driver);
-}
+module_i2c_driver(ltc4245_driver);
MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>");
MODULE_DESCRIPTION("LTC4245 driver");
MODULE_LICENSE("GPL");
-
-module_init(ltc4245_init);
-module_exit(ltc4245_exit);
diff --git a/drivers/hwmon/ltc4261.c b/drivers/hwmon/ltc4261.c
index ce5235560f0..069b7d34d8f 100644
--- a/drivers/hwmon/ltc4261.c
+++ b/drivers/hwmon/ltc4261.c
@@ -235,11 +235,9 @@ static int ltc4261_probe(struct i2c_client *client,
return -ENODEV;
}
- data = kzalloc(sizeof(*data), GFP_KERNEL);
- if (!data) {
- ret = -ENOMEM;
- goto out_kzalloc;
- }
+ data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
i2c_set_clientdata(client, data);
mutex_init(&data->update_lock);
@@ -250,7 +248,7 @@ static int ltc4261_probe(struct i2c_client *client,
/* Register sysfs hooks */
ret = sysfs_create_group(&client->dev.kobj, &ltc4261_group);
if (ret)
- goto out_sysfs_create_group;
+ return ret;
data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
@@ -262,9 +260,6 @@ static int ltc4261_probe(struct i2c_client *client,
out_hwmon_device_register:
sysfs_remove_group(&client->dev.kobj, &ltc4261_group);
-out_sysfs_create_group:
- kfree(data);
-out_kzalloc:
return ret;
}
@@ -275,8 +270,6 @@ static int ltc4261_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &ltc4261_group);
- kfree(data);
-
return 0;
}
@@ -297,19 +290,8 @@ static struct i2c_driver ltc4261_driver = {
.id_table = ltc4261_id,
};
-static int __init ltc4261_init(void)
-{
- return i2c_add_driver(&ltc4261_driver);
-}
-
-static void __exit ltc4261_exit(void)
-{
- i2c_del_driver(&ltc4261_driver);
-}
+module_i2c_driver(ltc4261_driver);
MODULE_AUTHOR("Guenter Roeck <guenter.roeck@ericsson.com>");
MODULE_DESCRIPTION("LTC4261 driver");
MODULE_LICENSE("GPL");
-
-module_init(ltc4261_init);
-module_exit(ltc4261_exit);
diff --git a/drivers/hwmon/max1111.c b/drivers/hwmon/max1111.c
index 482ca901db3..362a40eb612 100644
--- a/drivers/hwmon/max1111.c
+++ b/drivers/hwmon/max1111.c
@@ -106,7 +106,8 @@ static ssize_t show_adc(struct device *dev,
if (ret < 0)
return ret;
- /* assume the reference voltage to be 2.048V, with an 8-bit sample,
+ /*
+ * assume the reference voltage to be 2.048V, with an 8-bit sample,
* the LSB weight is 8mV
*/
return sprintf(buf, "%d\n", ret * 8);
@@ -227,17 +228,7 @@ static struct spi_driver max1111_driver = {
.remove = __devexit_p(max1111_remove),
};
-static int __init max1111_init(void)
-{
- return spi_register_driver(&max1111_driver);
-}
-module_init(max1111_init);
-
-static void __exit max1111_exit(void)
-{
- spi_unregister_driver(&max1111_driver);
-}
-module_exit(max1111_exit);
+module_spi_driver(max1111_driver);
MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>");
MODULE_DESCRIPTION("MAX1111 ADC Driver");
diff --git a/drivers/hwmon/max16065.c b/drivers/hwmon/max16065.c
index f8e323ac6cb..822261be84d 100644
--- a/drivers/hwmon/max16065.c
+++ b/drivers/hwmon/max16065.c
@@ -554,7 +554,7 @@ static int max16065_probe(struct i2c_client *client,
| I2C_FUNC_SMBUS_READ_WORD_DATA))
return -ENODEV;
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
if (unlikely(!data))
return -ENOMEM;
@@ -567,20 +567,16 @@ static int max16065_probe(struct i2c_client *client,
if (have_secondary) {
val = i2c_smbus_read_byte_data(client, MAX16065_SW_ENABLE);
- if (unlikely(val < 0)) {
- ret = val;
- goto out_free;
- }
+ if (unlikely(val < 0))
+ return val;
secondary_is_max = val & MAX16065_WARNING_OV;
}
/* Read scale registers, convert to range */
for (i = 0; i < DIV_ROUND_UP(data->num_adc, 4); i++) {
val = i2c_smbus_read_byte_data(client, MAX16065_SCALE(i));
- if (unlikely(val < 0)) {
- ret = val;
- goto out_free;
- }
+ if (unlikely(val < 0))
+ return val;
for (j = 0; j < 4 && i * 4 + j < data->num_adc; j++) {
data->range[i * 4 + j] =
max16065_adc_range[(val >> (j * 2)) & 0x3];
@@ -595,10 +591,8 @@ static int max16065_probe(struct i2c_client *client,
for (j = 0; j < data->num_adc; j++) {
val = i2c_smbus_read_byte_data(client,
MAX16065_LIMIT(i, j));
- if (unlikely(val < 0)) {
- ret = val;
- goto out_free;
- }
+ if (unlikely(val < 0))
+ return val;
data->limit[i][j] = LIMIT_TO_MV(val, data->range[j]);
}
}
@@ -661,8 +655,6 @@ static int max16065_probe(struct i2c_client *client,
out:
max16065_cleanup(client);
-out_free:
- kfree(data);
return ret;
}
@@ -672,7 +664,6 @@ static int max16065_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
max16065_cleanup(client);
- kfree(data);
return 0;
}
@@ -699,19 +690,8 @@ static struct i2c_driver max16065_driver = {
.id_table = max16065_id,
};
-static int __init max16065_init(void)
-{
- return i2c_add_driver(&max16065_driver);
-}
-
-static void __exit max16065_exit(void)
-{
- i2c_del_driver(&max16065_driver);
-}
+module_i2c_driver(max16065_driver);
MODULE_AUTHOR("Guenter Roeck <guenter.roeck@ericsson.com>");
MODULE_DESCRIPTION("MAX16065 driver");
MODULE_LICENSE("GPL");
-
-module_init(max16065_init);
-module_exit(max16065_exit);
diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c
index 022ded09810..ecac04a7b7d 100644
--- a/drivers/hwmon/max1619.c
+++ b/drivers/hwmon/max1619.c
@@ -125,7 +125,7 @@ struct max1619_data {
u8 temp_input2, temp_low2, temp_high2; /* remote */
u8 temp_crit2;
u8 temp_hyst2;
- u8 alarms;
+ u8 alarms;
};
/*
@@ -133,7 +133,8 @@ struct max1619_data {
*/
#define show_temp(value) \
-static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \
+static ssize_t show_##value(struct device *dev, struct device_attribute *attr, \
+ char *buf) \
{ \
struct max1619_data *data = max1619_update_device(dev); \
return sprintf(buf, "%d\n", temp_from_reg(data->value)); \
@@ -146,13 +147,17 @@ show_temp(temp_crit2);
show_temp(temp_hyst2);
#define set_temp2(value, reg) \
-static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, \
+static ssize_t set_##value(struct device *dev, struct device_attribute *attr, \
+ const char *buf, \
size_t count) \
{ \
struct i2c_client *client = to_i2c_client(dev); \
struct max1619_data *data = i2c_get_clientdata(client); \
- long val = simple_strtol(buf, NULL, 10); \
- \
+ long val; \
+ int err = kstrtol(buf, 10, &val); \
+ if (err) \
+ return err; \
+\
mutex_lock(&data->update_lock); \
data->value = temp_to_reg(val); \
i2c_smbus_write_byte_data(client, reg, data->value); \
@@ -165,7 +170,8 @@ set_temp2(temp_high2, MAX1619_REG_W_REMOTE_HIGH);
set_temp2(temp_crit2, MAX1619_REG_W_REMOTE_CRIT);
set_temp2(temp_hyst2, MAX1619_REG_W_TCRIT_HYST);
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct max1619_data *data = max1619_update_device(dev);
return sprintf(buf, "%d\n", data->alarms);
@@ -275,7 +281,8 @@ static int max1619_probe(struct i2c_client *new_client,
max1619_init_client(new_client);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&new_client->dev.kobj, &max1619_group)))
+ err = sysfs_create_group(&new_client->dev.kobj, &max1619_group);
+ if (err)
goto exit_free;
data->hwmon_dev = hwmon_device_register(&new_client->dev);
@@ -353,20 +360,9 @@ static struct max1619_data *max1619_update_device(struct device *dev)
return data;
}
-static int __init sensors_max1619_init(void)
-{
- return i2c_add_driver(&max1619_driver);
-}
-
-static void __exit sensors_max1619_exit(void)
-{
- i2c_del_driver(&max1619_driver);
-}
+module_i2c_driver(max1619_driver);
MODULE_AUTHOR("Alexey Fisher <fishor@mail.ru> and "
"Jean Delvare <khali@linux-fr.org>");
MODULE_DESCRIPTION("MAX1619 sensor driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_max1619_init);
-module_exit(sensors_max1619_exit);
diff --git a/drivers/hwmon/max1668.c b/drivers/hwmon/max1668.c
index 88953f99e91..335b183d7c0 100644
--- a/drivers/hwmon/max1668.c
+++ b/drivers/hwmon/max1668.c
@@ -1,23 +1,23 @@
/*
- Copyright (c) 2011 David George <david.george@ska.ac.za>
-
- based on adm1021.c
- some credit to Christoph Scheurer, but largely a rewrite
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * Copyright (c) 2011 David George <david.george@ska.ac.za>
+ *
+ * based on adm1021.c
+ * some credit to Christoph Scheurer, but largely a rewrite
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -484,19 +484,8 @@ static struct i2c_driver max1668_driver = {
.address_list = max1668_addr_list,
};
-static int __init sensors_max1668_init(void)
-{
- return i2c_add_driver(&max1668_driver);
-}
-
-static void __exit sensors_max1668_exit(void)
-{
- i2c_del_driver(&max1668_driver);
-}
+module_i2c_driver(max1668_driver);
MODULE_AUTHOR("David George <david.george@ska.ac.za>");
MODULE_DESCRIPTION("MAX1668 remote temperature sensor driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_max1668_init)
-module_exit(sensors_max1668_exit)
diff --git a/drivers/hwmon/max6639.c b/drivers/hwmon/max6639.c
index a6760bacd91..193067e27b6 100644
--- a/drivers/hwmon/max6639.c
+++ b/drivers/hwmon/max6639.c
@@ -637,19 +637,8 @@ static struct i2c_driver max6639_driver = {
.address_list = normal_i2c,
};
-static int __init max6639_init(void)
-{
- return i2c_add_driver(&max6639_driver);
-}
-
-static void __exit max6639_exit(void)
-{
- i2c_del_driver(&max6639_driver);
-}
+module_i2c_driver(max6639_driver);
MODULE_AUTHOR("Roland Stigge <stigge@antcom.de>");
MODULE_DESCRIPTION("max6639 driver");
MODULE_LICENSE("GPL");
-
-module_init(max6639_init);
-module_exit(max6639_exit);
diff --git a/drivers/hwmon/max6642.c b/drivers/hwmon/max6642.c
index 209e8a526eb..4298909a41f 100644
--- a/drivers/hwmon/max6642.c
+++ b/drivers/hwmon/max6642.c
@@ -352,19 +352,8 @@ static struct i2c_driver max6642_driver = {
.address_list = normal_i2c,
};
-static int __init max6642_init(void)
-{
- return i2c_add_driver(&max6642_driver);
-}
-
-static void __exit max6642_exit(void)
-{
- i2c_del_driver(&max6642_driver);
-}
+module_i2c_driver(max6642_driver);
MODULE_AUTHOR("Per Dalen <per.dalen@appeartv.com>");
MODULE_DESCRIPTION("MAX6642 sensor driver");
MODULE_LICENSE("GPL");
-
-module_init(max6642_init);
-module_exit(max6642_exit);
diff --git a/drivers/hwmon/max6650.c b/drivers/hwmon/max6650.c
index 2fc034aeca0..33a8a7f15e1 100644
--- a/drivers/hwmon/max6650.c
+++ b/drivers/hwmon/max6650.c
@@ -135,8 +135,7 @@ static struct i2c_driver max6650_driver = {
* Client data (each client gets its own)
*/
-struct max6650_data
-{
+struct max6650_data {
struct device *hwmon_dev;
struct mutex update_lock;
int nr_fans;
@@ -160,13 +159,13 @@ static ssize_t get_fan(struct device *dev, struct device_attribute *devattr,
int rpm;
/*
- * Calculation details:
- *
- * Each tachometer counts over an interval given by the "count"
- * register (0.25, 0.5, 1 or 2 seconds). This module assumes
- * that the fans produce two pulses per revolution (this seems
- * to be the most common).
- */
+ * Calculation details:
+ *
+ * Each tachometer counts over an interval given by the "count"
+ * register (0.25, 0.5, 1 or 2 seconds). This module assumes
+ * that the fans produce two pulses per revolution (this seems
+ * to be the most common).
+ */
rpm = ((data->tach[attr->index] * 120) / DIV_FROM_REG(data->count));
return sprintf(buf, "%d\n", rpm);
@@ -220,12 +219,12 @@ static ssize_t get_target(struct device *dev, struct device_attribute *devattr,
int kscale, ktach, rpm;
/*
- * Use the datasheet equation:
- *
- * FanSpeed = KSCALE x fCLK / [256 x (KTACH + 1)]
- *
- * then multiply by 60 to give rpm.
- */
+ * Use the datasheet equation:
+ *
+ * FanSpeed = KSCALE x fCLK / [256 x (KTACH + 1)]
+ *
+ * then multiply by 60 to give rpm.
+ */
kscale = DIV_FROM_REG(data->config);
ktach = data->speed;
@@ -238,17 +237,22 @@ static ssize_t set_target(struct device *dev, struct device_attribute *devattr,
{
struct i2c_client *client = to_i2c_client(dev);
struct max6650_data *data = i2c_get_clientdata(client);
- int rpm = simple_strtoul(buf, NULL, 10);
int kscale, ktach;
+ unsigned long rpm;
+ int err;
+
+ err = kstrtoul(buf, 10, &rpm);
+ if (err)
+ return err;
rpm = SENSORS_LIMIT(rpm, FAN_RPM_MIN, FAN_RPM_MAX);
/*
- * Divide the required speed by 60 to get from rpm to rps, then
- * use the datasheet equation:
- *
- * KTACH = [(fCLK x KSCALE) / (256 x FanSpeed)] - 1
- */
+ * Divide the required speed by 60 to get from rpm to rps, then
+ * use the datasheet equation:
+ *
+ * KTACH = [(fCLK x KSCALE) / (256 x FanSpeed)] - 1
+ */
mutex_lock(&data->update_lock);
@@ -282,8 +286,10 @@ static ssize_t get_pwm(struct device *dev, struct device_attribute *devattr,
int pwm;
struct max6650_data *data = max6650_update_device(dev);
- /* Useful range for dac is 0-180 for 12V fans and 0-76 for 5V fans.
- Lower DAC values mean higher speeds. */
+ /*
+ * Useful range for dac is 0-180 for 12V fans and 0-76 for 5V fans.
+ * Lower DAC values mean higher speeds.
+ */
if (data->config & MAX6650_CFG_V12)
pwm = 255 - (255 * (int)data->dac)/180;
else
@@ -300,7 +306,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr,
{
struct i2c_client *client = to_i2c_client(dev);
struct max6650_data *data = i2c_get_clientdata(client);
- int pwm = simple_strtoul(buf, NULL, 10);
+ unsigned long pwm;
+ int err;
+
+ err = kstrtoul(buf, 10, &pwm);
+ if (err)
+ return err;
pwm = SENSORS_LIMIT(pwm, 0, 255);
@@ -341,14 +352,16 @@ static ssize_t set_enable(struct device *dev, struct device_attribute *devattr,
{
struct i2c_client *client = to_i2c_client(dev);
struct max6650_data *data = i2c_get_clientdata(client);
- int mode = simple_strtoul(buf, NULL, 10);
int max6650_modes[3] = {0, 3, 2};
+ unsigned long mode;
+ int err;
- if ((mode < 0)||(mode > 2)) {
- dev_err(&client->dev,
- "illegal value for pwm1_enable (%d)\n", mode);
+ err = kstrtoul(buf, 10, &mode);
+ if (err)
+ return err;
+
+ if (mode > 2)
return -EINVAL;
- }
mutex_lock(&data->update_lock);
@@ -389,7 +402,12 @@ static ssize_t set_div(struct device *dev, struct device_attribute *devattr,
{
struct i2c_client *client = to_i2c_client(dev);
struct max6650_data *data = i2c_get_clientdata(client);
- int div = simple_strtoul(buf, NULL, 10);
+ unsigned long div;
+ int err;
+
+ err = kstrtoul(buf, 10, &div);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
switch (div) {
@@ -407,8 +425,6 @@ static ssize_t set_div(struct device *dev, struct device_attribute *devattr,
break;
default:
mutex_unlock(&data->update_lock);
- dev_err(&client->dev,
- "illegal value for fan divider (%d)\n", div);
return -EINVAL;
}
@@ -529,7 +545,8 @@ static int max6650_probe(struct i2c_client *client,
struct max6650_data *data;
int err;
- if (!(data = kzalloc(sizeof(struct max6650_data), GFP_KERNEL))) {
+ data = kzalloc(sizeof(struct max6650_data), GFP_KERNEL);
+ if (!data) {
dev_err(&client->dev, "out of memory.\n");
return -ENOMEM;
}
@@ -596,55 +613,54 @@ static int max6650_init_client(struct i2c_client *client)
}
switch (fan_voltage) {
- case 0:
- break;
- case 5:
- config &= ~MAX6650_CFG_V12;
- break;
- case 12:
- config |= MAX6650_CFG_V12;
- break;
- default:
- dev_err(&client->dev,
- "illegal value for fan_voltage (%d)\n",
- fan_voltage);
+ case 0:
+ break;
+ case 5:
+ config &= ~MAX6650_CFG_V12;
+ break;
+ case 12:
+ config |= MAX6650_CFG_V12;
+ break;
+ default:
+ dev_err(&client->dev, "illegal value for fan_voltage (%d)\n",
+ fan_voltage);
}
dev_info(&client->dev, "Fan voltage is set to %dV.\n",
(config & MAX6650_CFG_V12) ? 12 : 5);
switch (prescaler) {
- case 0:
- break;
- case 1:
- config &= ~MAX6650_CFG_PRESCALER_MASK;
- break;
- case 2:
- config = (config & ~MAX6650_CFG_PRESCALER_MASK)
- | MAX6650_CFG_PRESCALER_2;
- break;
- case 4:
- config = (config & ~MAX6650_CFG_PRESCALER_MASK)
- | MAX6650_CFG_PRESCALER_4;
- break;
- case 8:
- config = (config & ~MAX6650_CFG_PRESCALER_MASK)
- | MAX6650_CFG_PRESCALER_8;
- break;
- case 16:
- config = (config & ~MAX6650_CFG_PRESCALER_MASK)
- | MAX6650_CFG_PRESCALER_16;
- break;
- default:
- dev_err(&client->dev,
- "illegal value for prescaler (%d)\n",
- prescaler);
+ case 0:
+ break;
+ case 1:
+ config &= ~MAX6650_CFG_PRESCALER_MASK;
+ break;
+ case 2:
+ config = (config & ~MAX6650_CFG_PRESCALER_MASK)
+ | MAX6650_CFG_PRESCALER_2;
+ break;
+ case 4:
+ config = (config & ~MAX6650_CFG_PRESCALER_MASK)
+ | MAX6650_CFG_PRESCALER_4;
+ break;
+ case 8:
+ config = (config & ~MAX6650_CFG_PRESCALER_MASK)
+ | MAX6650_CFG_PRESCALER_8;
+ break;
+ case 16:
+ config = (config & ~MAX6650_CFG_PRESCALER_MASK)
+ | MAX6650_CFG_PRESCALER_16;
+ break;
+ default:
+ dev_err(&client->dev, "illegal value for prescaler (%d)\n",
+ prescaler);
}
dev_info(&client->dev, "Prescaler is set to %d.\n",
1 << (config & MAX6650_CFG_PRESCALER_MASK));
- /* If mode is set to "full off", we change it to "open loop" and
+ /*
+ * If mode is set to "full off", we change it to "open loop" and
* set DAC to 255, which has the same effect. We do this because
* there's no "full off" mode defined in hwmon specifcations.
*/
@@ -698,9 +714,11 @@ static struct max6650_data *max6650_update_device(struct device *dev)
MAX6650_REG_COUNT);
data->dac = i2c_smbus_read_byte_data(client, MAX6650_REG_DAC);
- /* Alarms are cleared on read in case the condition that
+ /*
+ * Alarms are cleared on read in case the condition that
* caused the alarm is removed. Keep the value latched here
- * for providing the register through different alarm files. */
+ * for providing the register through different alarm files.
+ */
data->alarm |= i2c_smbus_read_byte_data(client,
MAX6650_REG_ALARM);
@@ -713,19 +731,8 @@ static struct max6650_data *max6650_update_device(struct device *dev)
return data;
}
-static int __init sensors_max6650_init(void)
-{
- return i2c_add_driver(&max6650_driver);
-}
-
-static void __exit sensors_max6650_exit(void)
-{
- i2c_del_driver(&max6650_driver);
-}
+module_i2c_driver(max6650_driver);
MODULE_AUTHOR("Hans J. Koch");
MODULE_DESCRIPTION("MAX6650 sensor driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_max6650_init);
-module_exit(sensors_max6650_exit);
diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index 3d99b8854d7..79ba48c8c11 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -56,11 +56,11 @@ static u8 confreg[4];
static int init = 1;
module_param(init, int, 0);
MODULE_PARM_DESC(init,
- "Chip initialization level:\n"
- " 0: None\n"
- "*1: Forcibly enable internal voltage and temperature channels, except in9\n"
- " 2: Forcibly enable all voltage and temperature channels, except in9\n"
- " 3: Forcibly enable all voltage and temperature channels, including in9");
+"Chip initialization level:\n"
+" 0: None\n"
+"*1: Forcibly enable internal voltage and temperature channels, except in9\n"
+" 2: Forcibly enable all voltage and temperature channels, except in9\n"
+" 3: Forcibly enable all voltage and temperature channels, including in9");
static unsigned short force_id;
module_param(force_id, ushort, 0);
@@ -88,19 +88,19 @@ static const u8 logdev[LDNI_MAX] = { FSCM, VLM, TMS };
static inline void superio_outb(int sioaddr, int reg, int val)
{
outb(reg, sioaddr);
- outb(val, sioaddr+1);
+ outb(val, sioaddr + 1);
}
static inline int superio_inb(int sioaddr, int reg)
{
outb(reg, sioaddr);
- return inb(sioaddr+1);
+ return inb(sioaddr + 1);
}
static inline void superio_exit(int sioaddr)
{
outb(0x02, sioaddr);
- outb(0x02, sioaddr+1);
+ outb(0x02, sioaddr + 1);
}
/*
@@ -122,18 +122,18 @@ static inline void superio_exit(int sioaddr)
#define PC87360_REG_FAN(nr) (0x07 + 3 * (nr))
#define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr))
-#define FAN_FROM_REG(val,div) ((val) == 0 ? 0: \
- 480000 / ((val)*(div)))
-#define FAN_TO_REG(val,div) ((val) <= 100 ? 0 : \
- 480000 / ((val)*(div)))
-#define FAN_DIV_FROM_REG(val) (1 << ((val >> 5) & 0x03))
+#define FAN_FROM_REG(val, div) ((val) == 0 ? 0 : \
+ 480000 / ((val) * (div)))
+#define FAN_TO_REG(val, div) ((val) <= 100 ? 0 : \
+ 480000 / ((val) * (div)))
+#define FAN_DIV_FROM_REG(val) (1 << (((val) >> 5) & 0x03))
#define FAN_STATUS_FROM_REG(val) ((val) & 0x07)
-#define FAN_CONFIG_MONITOR(val,nr) (((val) >> (2 + nr * 3)) & 1)
-#define FAN_CONFIG_CONTROL(val,nr) (((val) >> (3 + nr * 3)) & 1)
-#define FAN_CONFIG_INVERT(val,nr) (((val) >> (4 + nr * 3)) & 1)
+#define FAN_CONFIG_MONITOR(val, nr) (((val) >> (2 + (nr) * 3)) & 1)
+#define FAN_CONFIG_CONTROL(val, nr) (((val) >> (3 + (nr) * 3)) & 1)
+#define FAN_CONFIG_INVERT(val, nr) (((val) >> (4 + (nr) * 3)) & 1)
-#define PWM_FROM_REG(val,inv) ((inv) ? 255 - (val) : (val))
+#define PWM_FROM_REG(val, inv) ((inv) ? 255 - (val) : (val))
static inline u8 PWM_TO_REG(int val, int inv)
{
if (inv)
@@ -159,10 +159,10 @@ static inline u8 PWM_TO_REG(int val, int inv)
#define PC87365_REG_IN_ALARMS2 0x01
#define PC87365_REG_VID 0x06
-#define IN_FROM_REG(val,ref) (((val) * (ref) + 128) / 256)
-#define IN_TO_REG(val,ref) ((val) < 0 ? 0 : \
- (val)*256 >= (ref)*255 ? 255: \
- ((val) * 256 + (ref)/2) / (ref))
+#define IN_FROM_REG(val, ref) (((val) * (ref) + 128) / 256)
+#define IN_TO_REG(val, ref) ((val) < 0 ? 0 : \
+ (val) * 256 >= (ref) * 255 ? 255 : \
+ ((val) * 256 + (ref) / 2) / (ref))
/*
* Temperature registers and conversions
@@ -255,43 +255,54 @@ static struct platform_driver pc87360_driver = {
* Sysfs stuff
*/
-static ssize_t show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_fan_input(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[attr->index],
FAN_DIV_FROM_REG(data->fan_status[attr->index])));
}
-static ssize_t show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_fan_min(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[attr->index],
FAN_DIV_FROM_REG(data->fan_status[attr->index])));
}
-static ssize_t show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_fan_div(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n",
FAN_DIV_FROM_REG(data->fan_status[attr->index]));
}
-static ssize_t show_fan_status(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_fan_status(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n",
FAN_STATUS_FROM_REG(data->fan_status[attr->index]));
}
-static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr, const char *buf,
+static ssize_t set_fan_min(struct device *dev,
+ struct device_attribute *devattr, const char *buf,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
- long fan_min = simple_strtol(buf, NULL, 10);
+ long fan_min;
+ int err;
+
+ err = kstrtol(buf, 10, &fan_min);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
- fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[attr->index]));
+ fan_min = FAN_TO_REG(fan_min,
+ FAN_DIV_FROM_REG(data->fan_status[attr->index]));
/* If it wouldn't fit, change clock divisor */
while (fan_min > 255
@@ -301,11 +312,13 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr,
data->fan_status[attr->index] += 0x20;
}
data->fan_min[attr->index] = fan_min > 255 ? 255 : fan_min;
- pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_MIN(attr->index),
+ pc87360_write_value(data, LD_FAN, NO_BANK,
+ PC87360_REG_FAN_MIN(attr->index),
data->fan_min[attr->index]);
/* Write new divider, preserve alarm bits */
- pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(attr->index),
+ pc87360_write_value(data, LD_FAN, NO_BANK,
+ PC87360_REG_FAN_STATUS(attr->index),
data->fan_status[attr->index] & 0xF9);
mutex_unlock(&data->update_lock);
@@ -333,13 +346,16 @@ static struct sensor_device_attribute fan_min[] = {
SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 2),
};
-#define FAN_UNIT_ATTRS(X) \
- &fan_input[X].dev_attr.attr, \
+#define FAN_UNIT_ATTRS(X) \
+{ &fan_input[X].dev_attr.attr, \
&fan_status[X].dev_attr.attr, \
&fan_div[X].dev_attr.attr, \
- &fan_min[X].dev_attr.attr
+ &fan_min[X].dev_attr.attr, \
+ NULL \
+}
-static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
+ char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
@@ -348,12 +364,17 @@ static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, ch
FAN_CONFIG_INVERT(data->fan_conf,
attr->index)));
}
-static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, const char *buf,
- size_t count)
+static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr,
+ const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->pwm[attr->index] = PWM_TO_REG(val,
@@ -370,52 +391,60 @@ static struct sensor_device_attribute pwm[] = {
SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2),
};
-static struct attribute * pc8736x_fan_attr_array[] = {
+static struct attribute *pc8736x_fan_attr[][5] = {
FAN_UNIT_ATTRS(0),
FAN_UNIT_ATTRS(1),
- FAN_UNIT_ATTRS(2),
- &pwm[0].dev_attr.attr,
- &pwm[1].dev_attr.attr,
- &pwm[2].dev_attr.attr,
- NULL
+ FAN_UNIT_ATTRS(2)
};
-static const struct attribute_group pc8736x_fan_group = {
- .attrs = pc8736x_fan_attr_array,
+
+static const struct attribute_group pc8736x_fan_attr_group[] = {
+ { .attrs = pc8736x_fan_attr[0], },
+ { .attrs = pc8736x_fan_attr[1], },
+ { .attrs = pc8736x_fan_attr[2], },
};
-static ssize_t show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_in_input(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index],
data->in_vref));
}
-static ssize_t show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_in_min(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index],
data->in_vref));
}
-static ssize_t show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_in_max(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index],
data->in_vref));
}
-static ssize_t show_in_status(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_in_status(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", data->in_status[attr->index]);
}
-static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr, const char *buf,
- size_t count)
+static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr,
+ const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
@@ -424,12 +453,17 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr,
mutex_unlock(&data->update_lock);
return count;
}
-static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr, const char *buf,
- size_t count)
+static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr,
+ const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_max[attr->index] = IN_TO_REG(val,
@@ -498,9 +532,11 @@ static struct sensor_device_attribute in_max[] = {
#define CHAN_ALM_MAX 0x04 /* max limit exceeded */
#define TEMP_ALM_CRIT 0x08 /* temp crit exceeded (temp only) */
-/* show_in_min/max_alarm() reads data from the per-channel status
- register (sec 11.5.12), not the vin event status registers (sec
- 11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms) */
+/*
+ * show_in_min/max_alarm() reads data from the per-channel status
+ * register (sec 11.5.12), not the vin event status registers (sec
+ * 11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms)
+ */
static ssize_t show_in_min_alarm(struct device *dev,
struct device_attribute *devattr, char *buf)
@@ -554,27 +590,38 @@ static struct sensor_device_attribute in_max_alarm[] = {
&in_min_alarm[X].dev_attr.attr, \
&in_max_alarm[X].dev_attr.attr
-static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vid(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm));
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
-static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vrm(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct pc87360_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%u\n", data->vrm);
}
-static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct pc87360_data *data = dev_get_drvdata(dev);
- data->vrm = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
+ data->vrm = val;
return count;
}
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
-static ssize_t show_in_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_in_alarms(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", data->in_alarms);
@@ -602,46 +649,58 @@ static const struct attribute_group pc8736x_vin_group = {
.attrs = pc8736x_vin_attr_array,
};
-static ssize_t show_therm_input(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_therm_input(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index],
data->in_vref));
}
-static ssize_t show_therm_min(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_therm_min(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index],
data->in_vref));
}
-static ssize_t show_therm_max(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_therm_max(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index],
data->in_vref));
}
-static ssize_t show_therm_crit(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_therm_crit(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[attr->index-11],
data->in_vref));
}
-static ssize_t show_therm_status(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_therm_status(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", data->in_status[attr->index]);
}
-static ssize_t set_therm_min(struct device *dev, struct device_attribute *devattr, const char *buf,
- size_t count)
+
+static ssize_t set_therm_min(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
@@ -650,12 +709,19 @@ static ssize_t set_therm_min(struct device *dev, struct device_attribute *devatt
mutex_unlock(&data->update_lock);
return count;
}
-static ssize_t set_therm_max(struct device *dev, struct device_attribute *devattr, const char *buf,
- size_t count)
+
+static ssize_t set_therm_max(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_max[attr->index] = IN_TO_REG(val, data->in_vref);
@@ -664,12 +730,18 @@ static ssize_t set_therm_max(struct device *dev, struct device_attribute *devatt
mutex_unlock(&data->update_lock);
return count;
}
-static ssize_t set_therm_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
- size_t count)
+static ssize_t set_therm_crit(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_crit[attr->index-11] = IN_TO_REG(val, data->in_vref);
@@ -679,46 +751,49 @@ static ssize_t set_therm_crit(struct device *dev, struct device_attribute *devat
return count;
}
-/* the +11 term below reflects the fact that VLM units 11,12,13 are
- used in the chip to measure voltage across the thermistors
-*/
+/*
+ * the +11 term below reflects the fact that VLM units 11,12,13 are
+ * used in the chip to measure voltage across the thermistors
+ */
static struct sensor_device_attribute therm_input[] = {
- SENSOR_ATTR(temp4_input, S_IRUGO, show_therm_input, NULL, 0+11),
- SENSOR_ATTR(temp5_input, S_IRUGO, show_therm_input, NULL, 1+11),
- SENSOR_ATTR(temp6_input, S_IRUGO, show_therm_input, NULL, 2+11),
+ SENSOR_ATTR(temp4_input, S_IRUGO, show_therm_input, NULL, 0 + 11),
+ SENSOR_ATTR(temp5_input, S_IRUGO, show_therm_input, NULL, 1 + 11),
+ SENSOR_ATTR(temp6_input, S_IRUGO, show_therm_input, NULL, 2 + 11),
};
static struct sensor_device_attribute therm_status[] = {
- SENSOR_ATTR(temp4_status, S_IRUGO, show_therm_status, NULL, 0+11),
- SENSOR_ATTR(temp5_status, S_IRUGO, show_therm_status, NULL, 1+11),
- SENSOR_ATTR(temp6_status, S_IRUGO, show_therm_status, NULL, 2+11),
+ SENSOR_ATTR(temp4_status, S_IRUGO, show_therm_status, NULL, 0 + 11),
+ SENSOR_ATTR(temp5_status, S_IRUGO, show_therm_status, NULL, 1 + 11),
+ SENSOR_ATTR(temp6_status, S_IRUGO, show_therm_status, NULL, 2 + 11),
};
static struct sensor_device_attribute therm_min[] = {
SENSOR_ATTR(temp4_min, S_IRUGO | S_IWUSR,
- show_therm_min, set_therm_min, 0+11),
+ show_therm_min, set_therm_min, 0 + 11),
SENSOR_ATTR(temp5_min, S_IRUGO | S_IWUSR,
- show_therm_min, set_therm_min, 1+11),
+ show_therm_min, set_therm_min, 1 + 11),
SENSOR_ATTR(temp6_min, S_IRUGO | S_IWUSR,
- show_therm_min, set_therm_min, 2+11),
+ show_therm_min, set_therm_min, 2 + 11),
};
static struct sensor_device_attribute therm_max[] = {
SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR,
- show_therm_max, set_therm_max, 0+11),
+ show_therm_max, set_therm_max, 0 + 11),
SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR,
- show_therm_max, set_therm_max, 1+11),
+ show_therm_max, set_therm_max, 1 + 11),
SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR,
- show_therm_max, set_therm_max, 2+11),
+ show_therm_max, set_therm_max, 2 + 11),
};
static struct sensor_device_attribute therm_crit[] = {
SENSOR_ATTR(temp4_crit, S_IRUGO | S_IWUSR,
- show_therm_crit, set_therm_crit, 0+11),
+ show_therm_crit, set_therm_crit, 0 + 11),
SENSOR_ATTR(temp5_crit, S_IRUGO | S_IWUSR,
- show_therm_crit, set_therm_crit, 1+11),
+ show_therm_crit, set_therm_crit, 1 + 11),
SENSOR_ATTR(temp6_crit, S_IRUGO | S_IWUSR,
- show_therm_crit, set_therm_crit, 2+11),
+ show_therm_crit, set_therm_crit, 2 + 11),
};
-/* show_therm_min/max_alarm() reads data from the per-channel voltage
- status register (sec 11.5.12) */
+/*
+ * show_therm_min/max_alarm() reads data from the per-channel voltage
+ * status register (sec 11.5.12)
+ */
static ssize_t show_therm_min_alarm(struct device *dev,
struct device_attribute *devattr, char *buf)
@@ -747,27 +822,27 @@ static ssize_t show_therm_crit_alarm(struct device *dev,
static struct sensor_device_attribute therm_min_alarm[] = {
SENSOR_ATTR(temp4_min_alarm, S_IRUGO,
- show_therm_min_alarm, NULL, 0+11),
+ show_therm_min_alarm, NULL, 0 + 11),
SENSOR_ATTR(temp5_min_alarm, S_IRUGO,
- show_therm_min_alarm, NULL, 1+11),
+ show_therm_min_alarm, NULL, 1 + 11),
SENSOR_ATTR(temp6_min_alarm, S_IRUGO,
- show_therm_min_alarm, NULL, 2+11),
+ show_therm_min_alarm, NULL, 2 + 11),
};
static struct sensor_device_attribute therm_max_alarm[] = {
SENSOR_ATTR(temp4_max_alarm, S_IRUGO,
- show_therm_max_alarm, NULL, 0+11),
+ show_therm_max_alarm, NULL, 0 + 11),
SENSOR_ATTR(temp5_max_alarm, S_IRUGO,
- show_therm_max_alarm, NULL, 1+11),
+ show_therm_max_alarm, NULL, 1 + 11),
SENSOR_ATTR(temp6_max_alarm, S_IRUGO,
- show_therm_max_alarm, NULL, 2+11),
+ show_therm_max_alarm, NULL, 2 + 11),
};
static struct sensor_device_attribute therm_crit_alarm[] = {
SENSOR_ATTR(temp4_crit_alarm, S_IRUGO,
- show_therm_crit_alarm, NULL, 0+11),
+ show_therm_crit_alarm, NULL, 0 + 11),
SENSOR_ATTR(temp5_crit_alarm, S_IRUGO,
- show_therm_crit_alarm, NULL, 1+11),
+ show_therm_crit_alarm, NULL, 1 + 11),
SENSOR_ATTR(temp6_crit_alarm, S_IRUGO,
- show_therm_crit_alarm, NULL, 2+11),
+ show_therm_crit_alarm, NULL, 2 + 11),
};
#define THERM_UNIT_ATTRS(X) \
@@ -780,7 +855,7 @@ static struct sensor_device_attribute therm_crit_alarm[] = {
&therm_max_alarm[X].dev_attr.attr, \
&therm_crit_alarm[X].dev_attr.attr
-static struct attribute * pc8736x_therm_attr_array[] = {
+static struct attribute *pc8736x_therm_attr_array[] = {
THERM_UNIT_ATTRS(0),
THERM_UNIT_ATTRS(1),
THERM_UNIT_ATTRS(2),
@@ -790,42 +865,59 @@ static const struct attribute_group pc8736x_therm_group = {
.attrs = pc8736x_therm_attr_array,
};
-static ssize_t show_temp_input(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_temp_input(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index]));
}
-static ssize_t show_temp_min(struct device *dev, struct device_attribute *devattr, char *buf)
+
+static ssize_t show_temp_min(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[attr->index]));
}
-static ssize_t show_temp_max(struct device *dev, struct device_attribute *devattr, char *buf)
+
+static ssize_t show_temp_max(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[attr->index]));
}
-static ssize_t show_temp_crit(struct device *dev, struct device_attribute *devattr, char *buf)
+
+static ssize_t show_temp_crit(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[attr->index]));
+ return sprintf(buf, "%d\n",
+ TEMP_FROM_REG(data->temp_crit[attr->index]));
}
-static ssize_t show_temp_status(struct device *dev, struct device_attribute *devattr, char *buf)
+
+static ssize_t show_temp_status(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%d\n", data->temp_status[attr->index]);
}
-static ssize_t set_temp_min(struct device *dev, struct device_attribute *devattr, const char *buf,
- size_t count)
+
+static ssize_t set_temp_min(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_min[attr->index] = TEMP_TO_REG(val);
@@ -834,12 +926,19 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *devattr
mutex_unlock(&data->update_lock);
return count;
}
-static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr, const char *buf,
- size_t count)
+
+static ssize_t set_temp_max(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_max[attr->index] = TEMP_TO_REG(val);
@@ -848,12 +947,19 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr
mutex_unlock(&data->update_lock);
return count;
}
-static ssize_t set_temp_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
- size_t count)
+
+static ssize_t set_temp_crit(struct device *dev,
+ struct device_attribute *devattr, const char *buf,
+ size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_crit[attr->index] = TEMP_TO_REG(val);
@@ -898,16 +1004,20 @@ static struct sensor_device_attribute temp_crit[] = {
show_temp_crit, set_temp_crit, 2),
};
-static ssize_t show_temp_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_alarms(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", data->temp_alarms);
}
+
static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL);
-/* show_temp_min/max_alarm() reads data from the per-channel status
- register (sec 12.3.7), not the temp event status registers (sec
- 12.3.2) that show_temp_alarm() reads (via data->temp_alarms) */
+/*
+ * show_temp_min/max_alarm() reads data from the per-channel status
+ * register (sec 12.3.7), not the temp event status registers (sec
+ * 12.3.2) that show_temp_alarm() reads (via data->temp_alarms)
+ */
static ssize_t show_temp_min_alarm(struct device *dev,
struct device_attribute *devattr, char *buf)
@@ -917,6 +1027,7 @@ static ssize_t show_temp_min_alarm(struct device *dev,
return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MIN));
}
+
static ssize_t show_temp_max_alarm(struct device *dev,
struct device_attribute *devattr, char *buf)
{
@@ -925,6 +1036,7 @@ static ssize_t show_temp_max_alarm(struct device *dev,
return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MAX));
}
+
static ssize_t show_temp_crit_alarm(struct device *dev,
struct device_attribute *devattr, char *buf)
{
@@ -939,11 +1051,13 @@ static struct sensor_device_attribute temp_min_alarm[] = {
SENSOR_ATTR(temp2_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 1),
SENSOR_ATTR(temp3_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 2),
};
+
static struct sensor_device_attribute temp_max_alarm[] = {
SENSOR_ATTR(temp1_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 0),
SENSOR_ATTR(temp2_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 1),
SENSOR_ATTR(temp3_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 2),
};
+
static struct sensor_device_attribute temp_crit_alarm[] = {
SENSOR_ATTR(temp1_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 0),
SENSOR_ATTR(temp2_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 1),
@@ -965,27 +1079,29 @@ static struct sensor_device_attribute temp_fault[] = {
SENSOR_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2),
};
-#define TEMP_UNIT_ATTRS(X) \
- &temp_input[X].dev_attr.attr, \
- &temp_status[X].dev_attr.attr, \
- &temp_min[X].dev_attr.attr, \
- &temp_max[X].dev_attr.attr, \
- &temp_crit[X].dev_attr.attr, \
- &temp_min_alarm[X].dev_attr.attr, \
- &temp_max_alarm[X].dev_attr.attr, \
- &temp_crit_alarm[X].dev_attr.attr, \
- &temp_fault[X].dev_attr.attr
-
-static struct attribute * pc8736x_temp_attr_array[] = {
+#define TEMP_UNIT_ATTRS(X) \
+{ &temp_input[X].dev_attr.attr, \
+ &temp_status[X].dev_attr.attr, \
+ &temp_min[X].dev_attr.attr, \
+ &temp_max[X].dev_attr.attr, \
+ &temp_crit[X].dev_attr.attr, \
+ &temp_min_alarm[X].dev_attr.attr, \
+ &temp_max_alarm[X].dev_attr.attr, \
+ &temp_crit_alarm[X].dev_attr.attr, \
+ &temp_fault[X].dev_attr.attr, \
+ NULL \
+}
+
+static struct attribute *pc8736x_temp_attr[][10] = {
TEMP_UNIT_ATTRS(0),
TEMP_UNIT_ATTRS(1),
- TEMP_UNIT_ATTRS(2),
- /* include the few miscellaneous atts here */
- &dev_attr_alarms_temp.attr,
- NULL
+ TEMP_UNIT_ATTRS(2)
};
-static const struct attribute_group pc8736x_temp_group = {
- .attrs = pc8736x_temp_attr_array,
+
+static const struct attribute_group pc8736x_temp_attr_group[] = {
+ { .attrs = pc8736x_temp_attr[0] },
+ { .attrs = pc8736x_temp_attr[1] },
+ { .attrs = pc8736x_temp_attr[2] }
};
static ssize_t show_name(struct device *dev,
@@ -994,13 +1110,15 @@ static ssize_t show_name(struct device *dev,
struct pc87360_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%s\n", data->name);
}
+
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
/*
* Device detection, registration and update
*/
-static int __init pc87360_find(int sioaddr, u8 *devid, unsigned short *addresses)
+static int __init pc87360_find(int sioaddr, u8 *devid,
+ unsigned short *addresses)
{
u16 val;
int i;
@@ -1047,7 +1165,7 @@ static int __init pc87360_find(int sioaddr, u8 *devid, unsigned short *addresses
addresses[i] = val;
- if (i==0) { /* Fans */
+ if (i == 0) { /* Fans */
confreg[0] = superio_inb(sioaddr, 0xF0);
confreg[1] = superio_inb(sioaddr, 0xF1);
@@ -1060,12 +1178,14 @@ static int __init pc87360_find(int sioaddr, u8 *devid, unsigned short *addresses
pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 3,
confreg[1] & 1, (confreg[1] >> 1) & 1,
(confreg[1] >> 2) & 1);
- } else if (i==1) { /* Voltages */
+ } else if (i == 1) { /* Voltages */
/* Are we using thermistors? */
if (*devid == 0xE9) { /* PC87366 */
- /* These registers are not logical-device
- specific, just that we won't need them if
- we don't use the VLM device */
+ /*
+ * These registers are not logical-device
+ * specific, just that we won't need them if
+ * we don't use the VLM device
+ */
confreg[2] = superio_inb(sioaddr, 0x2B);
confreg[3] = superio_inb(sioaddr, 0x25);
@@ -1085,6 +1205,22 @@ static int __init pc87360_find(int sioaddr, u8 *devid, unsigned short *addresses
return 0;
}
+static void pc87360_remove_files(struct device *dev)
+{
+ int i;
+
+ device_remove_file(dev, &dev_attr_name);
+ device_remove_file(dev, &dev_attr_alarms_temp);
+ for (i = 0; i < ARRAY_SIZE(pc8736x_temp_attr_group); i++)
+ sysfs_remove_group(&dev->kobj, &pc8736x_temp_attr_group[i]);
+ for (i = 0; i < ARRAY_SIZE(pc8736x_fan_attr_group); i++) {
+ sysfs_remove_group(&pdev->dev.kobj, &pc8736x_fan_attr_group[i]);
+ device_remove_file(dev, &pwm[i].dev_attr);
+ }
+ sysfs_remove_group(&dev->kobj, &pc8736x_therm_group);
+ sysfs_remove_group(&dev->kobj, &pc8736x_vin_group);
+}
+
static int __devinit pc87360_probe(struct platform_device *pdev)
{
int i;
@@ -1094,7 +1230,8 @@ static int __devinit pc87360_probe(struct platform_device *pdev)
int use_thermistors = 0;
struct device *dev = &pdev->dev;
- if (!(data = kzalloc(sizeof(struct pc87360_data), GFP_KERNEL)))
+ data = kzalloc(sizeof(struct pc87360_data), GFP_KERNEL);
+ if (!data)
return -ENOMEM;
data->fannr = 2;
@@ -1130,9 +1267,10 @@ static int __devinit pc87360_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, data);
for (i = 0; i < LDNI_MAX; i++) {
- if (((data->address[i] = extra_isa[i]))
+ data->address[i] = extra_isa[i];
+ if (data->address[i]
&& !request_region(extra_isa[i], PC87360_EXTENT,
- pc87360_driver.driver.name)) {
+ pc87360_driver.driver.name)) {
dev_err(dev, "Region 0x%x-0x%x already "
"in use!\n", extra_isa[i],
extra_isa[i]+PC87360_EXTENT-1);
@@ -1147,9 +1285,11 @@ static int __devinit pc87360_probe(struct platform_device *pdev)
if (data->fannr)
data->fan_conf = confreg[0] | (confreg[1] << 8);
- /* Use the correct reference voltage
- Unless both the VLM and the TMS logical devices agree to
- use an external Vref, the internal one is used. */
+ /*
+ * Use the correct reference voltage
+ * Unless both the VLM and the TMS logical devices agree to
+ * use an external Vref, the internal one is used.
+ */
if (data->innr) {
i = pc87360_read_value(data, LD_IN, NO_BANK,
PC87365_REG_IN_CONFIG);
@@ -1182,62 +1322,48 @@ static int __devinit pc87360_probe(struct platform_device *pdev)
/* Register all-or-nothing sysfs groups */
- if (data->innr &&
- (err = sysfs_create_group(&dev->kobj,
- &pc8736x_vin_group)))
- goto ERROR3;
+ if (data->innr) {
+ err = sysfs_create_group(&dev->kobj, &pc8736x_vin_group);
+ if (err)
+ goto ERROR3;
+ }
- if (data->innr == 14 &&
- (err = sysfs_create_group(&dev->kobj,
- &pc8736x_therm_group)))
- goto ERROR3;
+ if (data->innr == 14) {
+ err = sysfs_create_group(&dev->kobj, &pc8736x_therm_group);
+ if (err)
+ goto ERROR3;
+ }
/* create device attr-files for varying sysfs groups */
if (data->tempnr) {
for (i = 0; i < data->tempnr; i++) {
- if ((err = device_create_file(dev,
- &temp_input[i].dev_attr))
- || (err = device_create_file(dev,
- &temp_min[i].dev_attr))
- || (err = device_create_file(dev,
- &temp_max[i].dev_attr))
- || (err = device_create_file(dev,
- &temp_crit[i].dev_attr))
- || (err = device_create_file(dev,
- &temp_status[i].dev_attr))
- || (err = device_create_file(dev,
- &temp_min_alarm[i].dev_attr))
- || (err = device_create_file(dev,
- &temp_max_alarm[i].dev_attr))
- || (err = device_create_file(dev,
- &temp_crit_alarm[i].dev_attr))
- || (err = device_create_file(dev,
- &temp_fault[i].dev_attr)))
+ err = sysfs_create_group(&dev->kobj,
+ &pc8736x_temp_attr_group[i]);
+ if (err)
goto ERROR3;
}
- if ((err = device_create_file(dev, &dev_attr_alarms_temp)))
+ err = device_create_file(dev, &dev_attr_alarms_temp);
+ if (err)
goto ERROR3;
}
for (i = 0; i < data->fannr; i++) {
- if (FAN_CONFIG_MONITOR(data->fan_conf, i)
- && ((err = device_create_file(dev,
- &fan_input[i].dev_attr))
- || (err = device_create_file(dev,
- &fan_min[i].dev_attr))
- || (err = device_create_file(dev,
- &fan_div[i].dev_attr))
- || (err = device_create_file(dev,
- &fan_status[i].dev_attr))))
- goto ERROR3;
-
- if (FAN_CONFIG_CONTROL(data->fan_conf, i)
- && (err = device_create_file(dev, &pwm[i].dev_attr)))
- goto ERROR3;
+ if (FAN_CONFIG_MONITOR(data->fan_conf, i)) {
+ err = sysfs_create_group(&dev->kobj,
+ &pc8736x_fan_attr_group[i]);
+ if (err)
+ goto ERROR3;
+ }
+ if (FAN_CONFIG_CONTROL(data->fan_conf, i)) {
+ err = device_create_file(dev, &pwm[i].dev_attr);
+ if (err)
+ goto ERROR3;
+ }
}
- if ((err = device_create_file(dev, &dev_attr_name)))
+ err = device_create_file(dev, &dev_attr_name);
+ if (err)
goto ERROR3;
data->hwmon_dev = hwmon_device_register(dev);
@@ -1248,16 +1374,10 @@ static int __devinit pc87360_probe(struct platform_device *pdev)
return 0;
ERROR3:
- device_remove_file(dev, &dev_attr_name);
- /* can still remove groups whose members were added individually */
- sysfs_remove_group(&dev->kobj, &pc8736x_temp_group);
- sysfs_remove_group(&dev->kobj, &pc8736x_fan_group);
- sysfs_remove_group(&dev->kobj, &pc8736x_therm_group);
- sysfs_remove_group(&dev->kobj, &pc8736x_vin_group);
+ pc87360_remove_files(dev);
for (i = 0; i < 3; i++) {
- if (data->address[i]) {
+ if (data->address[i])
release_region(data->address[i], PC87360_EXTENT);
- }
}
ERROR1:
kfree(data);
@@ -1270,25 +1390,20 @@ static int __devexit pc87360_remove(struct platform_device *pdev)
int i;
hwmon_device_unregister(data->hwmon_dev);
-
- device_remove_file(&pdev->dev, &dev_attr_name);
- sysfs_remove_group(&pdev->dev.kobj, &pc8736x_temp_group);
- sysfs_remove_group(&pdev->dev.kobj, &pc8736x_fan_group);
- sysfs_remove_group(&pdev->dev.kobj, &pc8736x_therm_group);
- sysfs_remove_group(&pdev->dev.kobj, &pc8736x_vin_group);
-
+ pc87360_remove_files(&pdev->dev);
for (i = 0; i < 3; i++) {
- if (data->address[i]) {
+ if (data->address[i])
release_region(data->address[i], PC87360_EXTENT);
- }
}
kfree(data);
return 0;
}
-/* ldi is the logical device index
- bank is for voltages and temperatures only */
+/*
+ * ldi is the logical device index
+ * bank is for voltages and temperatures only
+ */
static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
u8 reg)
{
@@ -1359,8 +1474,10 @@ static void pc87360_init_device(struct platform_device *pdev,
}
}
- /* We can't blindly trust the Super-I/O space configuration bit,
- most BIOS won't set it properly */
+ /*
+ * We can't blindly trust the Super-I/O space configuration bit,
+ * most BIOS won't set it properly
+ */
dev_dbg(&pdev->dev, "bios thermistors:%d\n", use_thermistors);
for (i = 11; i < data->innr; i++) {
reg = pc87360_read_value(data, LD_IN, i,
@@ -1375,12 +1492,12 @@ static void pc87360_init_device(struct platform_device *pdev,
for (; i < data->tempnr; i++) {
reg = pc87360_read_value(data, LD_TEMP, i,
PC87365_REG_TEMP_STATUS);
- dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i+1, reg);
+ dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i + 1, reg);
if (init >= init_temp[i]) {
/* Forcibly enable temperature channel */
if (!(reg & CHAN_ENA)) {
- dev_dbg(&pdev->dev, "Forcibly "
- "enabling temp%d\n", i+1);
+ dev_dbg(&pdev->dev,
+ "Forcibly enabling temp%d\n", i + 1);
pc87360_write_value(data, LD_TEMP, i,
PC87365_REG_TEMP_STATUS,
0xCF);
@@ -1391,14 +1508,16 @@ static void pc87360_init_device(struct platform_device *pdev,
if (use_thermistors) {
for (i = 11; i < data->innr; i++) {
if (init >= init_in[i]) {
- /* The pin may already be used by thermal
- diodes */
+ /*
+ * The pin may already be used by thermal
+ * diodes
+ */
reg = pc87360_read_value(data, LD_TEMP,
- (i-11)/2, PC87365_REG_TEMP_STATUS);
+ (i - 11) / 2, PC87365_REG_TEMP_STATUS);
if (reg & CHAN_ENA) {
- dev_dbg(&pdev->dev, "Skipping "
- "temp%d, pin already in use "
- "by temp%d\n", i-7, (i-11)/2);
+ dev_dbg(&pdev->dev,
+ "Skipping temp%d, pin already in use by temp%d\n",
+ i - 7, (i - 11) / 2);
continue;
}
@@ -1406,8 +1525,9 @@ static void pc87360_init_device(struct platform_device *pdev,
reg = pc87360_read_value(data, LD_IN, i,
PC87365_REG_IN_STATUS);
if (!(reg & CHAN_ENA)) {
- dev_dbg(&pdev->dev, "Forcibly "
- "enabling temp%d\n", i-7);
+ dev_dbg(&pdev->dev,
+ "Forcibly enabling temp%d\n",
+ i - 7);
pc87360_write_value(data, LD_IN, i,
PC87365_REG_TEMP_STATUS,
(reg & 0x60) | 0x8F);
@@ -1421,8 +1541,8 @@ static void pc87360_init_device(struct platform_device *pdev,
PC87365_REG_IN_CONFIG);
dev_dbg(&pdev->dev, "bios vin-cfg:0x%02x\n", reg);
if (reg & CHAN_ENA) {
- dev_dbg(&pdev->dev, "Forcibly "
- "enabling monitoring (VLM)\n");
+ dev_dbg(&pdev->dev,
+ "Forcibly enabling monitoring (VLM)\n");
pc87360_write_value(data, LD_IN, NO_BANK,
PC87365_REG_IN_CONFIG,
reg & 0xFE);
@@ -1434,8 +1554,8 @@ static void pc87360_init_device(struct platform_device *pdev,
PC87365_REG_TEMP_CONFIG);
dev_dbg(&pdev->dev, "bios temp-cfg:0x%02x\n", reg);
if (reg & CHAN_ENA) {
- dev_dbg(&pdev->dev, "Forcibly enabling "
- "monitoring (TMS)\n");
+ dev_dbg(&pdev->dev,
+ "Forcibly enabling monitoring (TMS)\n");
pc87360_write_value(data, LD_TEMP, NO_BANK,
PC87365_REG_TEMP_CONFIG,
reg & 0xFE);
@@ -1444,10 +1564,12 @@ static void pc87360_init_device(struct platform_device *pdev,
if (init >= 2) {
/* Chip config as documented by National Semi. */
pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08);
- /* We voluntarily omit the bank here, in case the
- sequence itself matters. It shouldn't be a problem,
- since nobody else is supposed to access the
- device at that point. */
+ /*
+ * We voluntarily omit the bank here, in case the
+ * sequence itself matters. It shouldn't be a problem,
+ * since nobody else is supposed to access the
+ * device at that point.
+ */
pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04);
pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35);
pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05);
@@ -1470,7 +1592,7 @@ static void pc87360_autodiv(struct device *dev, int nr)
data->fan[nr] >>= 1;
dev_dbg(dev, "Increasing "
"clock divider to %d for fan %d\n",
- FAN_DIV_FROM_REG(data->fan_status[nr]), nr+1);
+ FAN_DIV_FROM_REG(data->fan_status[nr]), nr + 1);
}
} else {
/* Decrease clock divider if possible */
@@ -1483,7 +1605,7 @@ static void pc87360_autodiv(struct device *dev, int nr)
dev_dbg(dev, "Decreasing "
"clock divider to %d for fan %d\n",
FAN_DIV_FROM_REG(data->fan_status[nr]),
- nr+1);
+ nr + 1);
}
}
diff --git a/drivers/hwmon/pc87427.c b/drivers/hwmon/pc87427.c
index cb35461d52d..37059a3755e 100644
--- a/drivers/hwmon/pc87427.c
+++ b/drivers/hwmon/pc87427.c
@@ -46,9 +46,11 @@ static struct platform_device *pdev;
#define DRVNAME "pc87427"
-/* The lock mutex protects both the I/O accesses (needed because the
- device is using banked registers) and the register cache (needed to keep
- the data in the registers and the cache in sync at any time). */
+/*
+ * The lock mutex protects both the I/O accesses (needed because the
+ * device is using banked registers) and the register cache (needed to keep
+ * the data in the registers and the cache in sync at any time).
+ */
struct pc87427_data {
struct device *hwmon_dev;
struct mutex lock;
@@ -173,10 +175,12 @@ static inline void pc87427_write8_bank(struct pc87427_data *data, u8 ldi,
#define FAN_STATUS_LOSPD (1 << 1)
#define FAN_STATUS_MONEN (1 << 0)
-/* Dedicated function to read all registers related to a given fan input.
- This saves us quite a few locks and bank selections.
- Must be called with data->lock held.
- nr is from 0 to 7 */
+/*
+ * Dedicated function to read all registers related to a given fan input.
+ * This saves us quite a few locks and bank selections.
+ * Must be called with data->lock held.
+ * nr is from 0 to 7
+ */
static void pc87427_readall_fan(struct pc87427_data *data, u8 nr)
{
int iobase = data->address[LD_FAN];
@@ -189,8 +193,10 @@ static void pc87427_readall_fan(struct pc87427_data *data, u8 nr)
outb(data->fan_status[nr], iobase + PC87427_REG_FAN_STATUS);
}
-/* The 2 LSB of fan speed registers are used for something different.
- The actual 2 LSB of the measurements are not available. */
+/*
+ * The 2 LSB of fan speed registers are used for something different.
+ * The actual 2 LSB of the measurements are not available.
+ */
static inline unsigned long fan_from_reg(u16 reg)
{
reg &= 0xfffc;
@@ -224,10 +230,12 @@ static inline u16 fan_to_reg(unsigned long val)
#define PWM_MODE_OFF (2 << 4)
#define PWM_MODE_ON (7 << 4)
-/* Dedicated function to read all registers related to a given PWM output.
- This saves us quite a few locks and bank selections.
- Must be called with data->lock held.
- nr is from 0 to 3 */
+/*
+ * Dedicated function to read all registers related to a given PWM output.
+ * This saves us quite a few locks and bank selections.
+ * Must be called with data->lock held.
+ * nr is from 0 to 3
+ */
static void pc87427_readall_pwm(struct pc87427_data *data, u8 nr)
{
int iobase = data->address[LD_FAN];
@@ -286,10 +294,12 @@ static inline u8 pwm_enable_to_reg(unsigned long val, u8 pwmval)
#define TEMP_TYPE_REMOTE_DIODE (2 << 5)
#define TEMP_TYPE_LOCAL_DIODE (3 << 5)
-/* Dedicated function to read all registers related to a given temperature
- input. This saves us quite a few locks and bank selections.
- Must be called with data->lock held.
- nr is from 0 to 5 */
+/*
+ * Dedicated function to read all registers related to a given temperature
+ * input. This saves us quite a few locks and bank selections.
+ * Must be called with data->lock held.
+ * nr is from 0 to 5
+ */
static void pc87427_readall_temp(struct pc87427_data *data, u8 nr)
{
int iobase = data->address[LD_TEMP];
@@ -318,8 +328,10 @@ static inline unsigned int temp_type_from_reg(u8 reg)
}
}
-/* We assume 8-bit thermal sensors; 9-bit thermal sensors are possible
- too, but I have no idea how to figure out when they are used. */
+/*
+ * We assume 8-bit thermal sensors; 9-bit thermal sensors are possible
+ * too, but I have no idea how to figure out when they are used.
+ */
static inline long temp_from_reg(s16 reg)
{
return reg * 1000 / 256;
@@ -423,9 +435,11 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute
mutex_lock(&data->lock);
outb(BANK_FM(nr), iobase + PC87427_REG_BANK);
- /* The low speed limit registers are read-only while monitoring
- is enabled, so we have to disable monitoring, then change the
- limit, and finally enable monitoring again. */
+ /*
+ * The low speed limit registers are read-only while monitoring
+ * is enabled, so we have to disable monitoring, then change the
+ * limit, and finally enable monitoring again.
+ */
outb(0, iobase + PC87427_REG_FAN_STATUS);
data->fan_min[nr] = fan_to_reg(val);
outw(data->fan_min[nr], iobase + PC87427_REG_FAN_MIN);
@@ -542,8 +556,10 @@ static const struct attribute_group pc87427_group_fan[8] = {
{ .attrs = pc87427_attributes_fan[7] },
};
-/* Must be called with data->lock held and pc87427_readall_pwm() freshly
- called */
+/*
+ * Must be called with data->lock held and pc87427_readall_pwm() freshly
+ * called
+ */
static void update_pwm_enable(struct pc87427_data *data, int nr, u8 mode)
{
int iobase = data->address[LD_FAN];
@@ -1023,9 +1039,11 @@ static void __devinit pc87427_init_device(struct device *dev)
if (reg & PWM_ENABLE_CTLEN)
data->pwm_enabled |= (1 << i);
- /* We don't expose an interface to reconfigure the automatic
- fan control mode, so only allow to return to this mode if
- it was originally set. */
+ /*
+ * We don't expose an interface to reconfigure the automatic
+ * fan control mode, so only allow to return to this mode if
+ * it was originally set.
+ */
if ((reg & PWM_ENABLE_MODE_MASK) == PWM_MODE_AUTO) {
dev_dbg(dev, "PWM%d is in automatic control mode\n",
i + 1);
diff --git a/drivers/hwmon/pcf8591.c b/drivers/hwmon/pcf8591.c
index 731b09af76b..4174c7463d7 100644
--- a/drivers/hwmon/pcf8591.c
+++ b/drivers/hwmon/pcf8591.c
@@ -1,22 +1,22 @@
/*
- Copyright (C) 2001-2004 Aurelien Jarno <aurelien@aurel32.net>
- Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
- the help of Jean Delvare <khali@linux-fr.org>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * Copyright (C) 2001-2004 Aurelien Jarno <aurelien@aurel32.net>
+ * Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
+ * the help of Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -39,28 +39,34 @@ MODULE_PARM_DESC(input_mode,
" 2 = single ended and differential mixed\n"
" 3 = two differential inputs\n");
-/* The PCF8591 control byte
- 7 6 5 4 3 2 1 0
- | 0 |AOEF| AIP | 0 |AINC| AICH | */
+/*
+ * The PCF8591 control byte
+ * 7 6 5 4 3 2 1 0
+ * | 0 |AOEF| AIP | 0 |AINC| AICH |
+ */
/* Analog Output Enable Flag (analog output active if 1) */
#define PCF8591_CONTROL_AOEF 0x40
-/* Analog Input Programming
- 0x00 = four single ended inputs
- 0x10 = three differential inputs
- 0x20 = single ended and differential mixed
- 0x30 = two differential inputs */
+/*
+ * Analog Input Programming
+ * 0x00 = four single ended inputs
+ * 0x10 = three differential inputs
+ * 0x20 = single ended and differential mixed
+ * 0x30 = two differential inputs
+ */
#define PCF8591_CONTROL_AIP_MASK 0x30
/* Autoincrement Flag (switch on if 1) */
#define PCF8591_CONTROL_AINC 0x04
-/* Channel selection
- 0x00 = channel 0
- 0x01 = channel 1
- 0x02 = channel 2
- 0x03 = channel 3 */
+/*
+ * Channel selection
+ * 0x00 = channel 0
+ * 0x01 = channel 1
+ * 0x02 = channel 2
+ * 0x03 = channel 3
+ */
#define PCF8591_CONTROL_AICH_MASK 0x03
/* Initial values */
@@ -68,7 +74,7 @@ MODULE_PARM_DESC(input_mode,
#define PCF8591_INIT_AOUT 0 /* DAC out = 0 */
/* Conversions */
-#define REG_TO_SIGNED(reg) (((reg) & 0x80)?((reg) - 256):(reg))
+#define REG_TO_SIGNED(reg) (((reg) & 0x80) ? ((reg) - 256) : (reg))
struct pcf8591_data {
struct device *hwmon_dev;
@@ -83,7 +89,9 @@ static int pcf8591_read_channel(struct device *dev, int channel);
/* following are the sysfs callback functions */
#define show_in_channel(channel) \
-static ssize_t show_in##channel##_input(struct device *dev, struct device_attribute *attr, char *buf) \
+static ssize_t show_in##channel##_input(struct device *dev, \
+ struct device_attribute *attr, \
+ char *buf) \
{ \
return sprintf(buf, "%d\n", pcf8591_read_channel(dev, channel));\
} \
@@ -95,39 +103,57 @@ show_in_channel(1);
show_in_channel(2);
show_in_channel(3);
-static ssize_t show_out0_ouput(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_out0_ouput(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct pcf8591_data *data = i2c_get_clientdata(to_i2c_client(dev));
return sprintf(buf, "%d\n", data->aout * 10);
}
-static ssize_t set_out0_output(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_out0_output(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
- unsigned int value;
+ unsigned long val;
struct i2c_client *client = to_i2c_client(dev);
struct pcf8591_data *data = i2c_get_clientdata(client);
- if ((value = (simple_strtoul(buf, NULL, 10) + 5) / 10) <= 255) {
- data->aout = value;
- i2c_smbus_write_byte_data(client, data->control, data->aout);
- return count;
- }
- return -EINVAL;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
+ val /= 10;
+ if (val > 255)
+ return -EINVAL;
+
+ data->aout = val;
+ i2c_smbus_write_byte_data(client, data->control, data->aout);
+ return count;
}
static DEVICE_ATTR(out0_output, S_IWUSR | S_IRUGO,
show_out0_ouput, set_out0_output);
-static ssize_t show_out0_enable(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_out0_enable(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct pcf8591_data *data = i2c_get_clientdata(to_i2c_client(dev));
return sprintf(buf, "%u\n", !(!(data->control & PCF8591_CONTROL_AOEF)));
}
-static ssize_t set_out0_enable(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_out0_enable(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct pcf8591_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
if (val)
@@ -174,7 +200,8 @@ static int pcf8591_probe(struct i2c_client *client,
struct pcf8591_data *data;
int err;
- if (!(data = kzalloc(sizeof(struct pcf8591_data), GFP_KERNEL))) {
+ data = kzalloc(sizeof(struct pcf8591_data), GFP_KERNEL);
+ if (!data) {
err = -ENOMEM;
goto exit;
}
@@ -192,15 +219,15 @@ static int pcf8591_probe(struct i2c_client *client,
/* Register input2 if not in "two differential inputs" mode */
if (input_mode != 3) {
- if ((err = device_create_file(&client->dev,
- &dev_attr_in2_input)))
+ err = device_create_file(&client->dev, &dev_attr_in2_input);
+ if (err)
goto exit_sysfs_remove;
}
/* Register input3 only in "four single ended inputs" mode */
if (input_mode == 0) {
- if ((err = device_create_file(&client->dev,
- &dev_attr_in3_input)))
+ err = device_create_file(&client->dev, &dev_attr_in3_input);
+ if (err)
goto exit_sysfs_remove;
}
@@ -241,8 +268,10 @@ static void pcf8591_init_client(struct i2c_client *client)
i2c_smbus_write_byte_data(client, data->control, data->aout);
- /* The first byte transmitted contains the conversion code of the
- previous read cycle. FLUSH IT! */
+ /*
+ * The first byte transmitted contains the conversion code of the
+ * previous read cycle. FLUSH IT!
+ */
i2c_smbus_read_byte(client);
}
@@ -259,8 +288,10 @@ static int pcf8591_read_channel(struct device *dev, int channel)
| channel;
i2c_smbus_write_byte(client, data->control);
- /* The first byte transmitted contains the conversion code of
- the previous read cycle. FLUSH IT! */
+ /*
+ * The first byte transmitted contains the conversion code of
+ * the previous read cycle. FLUSH IT!
+ */
i2c_smbus_read_byte(client);
}
value = i2c_smbus_read_byte(client);
@@ -269,9 +300,9 @@ static int pcf8591_read_channel(struct device *dev, int channel)
if ((channel == 2 && input_mode == 2) ||
(channel != 3 && (input_mode == 1 || input_mode == 3)))
- return (10 * REG_TO_SIGNED(value));
+ return 10 * REG_TO_SIGNED(value);
else
- return (10 * value);
+ return 10 * value;
}
static const struct i2c_device_id pcf8591_id[] = {
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
index cfec923f42b..2ca6a5a4f5a 100644
--- a/drivers/hwmon/pmbus/Kconfig
+++ b/drivers/hwmon/pmbus/Kconfig
@@ -20,7 +20,8 @@ config SENSORS_PMBUS
help
If you say yes here you get hardware monitoring support for generic
PMBus devices, including but not limited to ADP4000, BMR453, BMR454,
- NCP4200, and NCP4208.
+ MDT040, NCP4200, NCP4208, PDT003, PDT006, PDT012, UDT020, TPS40400,
+ and TPS40422.
This driver can also be built as a module. If so, the module will
be called pmbus.
@@ -30,8 +31,8 @@ config SENSORS_ADM1275
default n
help
If you say yes here you get hardware monitoring support for Analog
- Devices ADM1275 and ADM1276 Hot-Swap Controller and Digital Power
- Monitor.
+ Devices ADM1075, ADM1275, and ADM1276 Hot-Swap Controller and Digital
+ Power Monitors.
This driver can also be built as a module. If so, the module will
be called adm1275.
@@ -67,11 +68,11 @@ config SENSORS_MAX16064
be called max16064.
config SENSORS_MAX34440
- tristate "Maxim MAX34440/MAX34441"
+ tristate "Maxim MAX34440 and compatibles"
default n
help
If you say yes here you get hardware monitoring support for Maxim
- MAX34440 and MAX34441.
+ MAX34440, MAX34441, and MAX34446.
This driver can also be built as a module. If so, the module will
be called max34440.
@@ -113,9 +114,9 @@ config SENSORS_ZL6100
default n
help
If you say yes here you get hardware monitoring support for Intersil
- ZL2004, ZL2005, ZL2006, ZL2008, ZL2105, ZL2106, ZL6100, and ZL6105
- Digital DC/DC Controllers, as well as for Ericsson BMR450, BMR451,
- BMR462, BMR463, and BMR464.
+ ZL2004, ZL2005, ZL2006, ZL2008, ZL2105, ZL2106, ZL6100, ZL6105,
+ ZL9101M, and ZL9117M Digital DC/DC Controllers, as well as for
+ Ericsson BMR450, BMR451, BMR462, BMR463, and BMR464.
This driver can also be built as a module. If so, the module will
be called zl6100.
diff --git a/drivers/hwmon/pmbus/adm1275.c b/drivers/hwmon/pmbus/adm1275.c
index 81c7c2ead6f..60aad9570f0 100644
--- a/drivers/hwmon/pmbus/adm1275.c
+++ b/drivers/hwmon/pmbus/adm1275.c
@@ -23,7 +23,7 @@
#include <linux/i2c.h>
#include "pmbus.h"
-enum chips { adm1275, adm1276 };
+enum chips { adm1075, adm1275, adm1276 };
#define ADM1275_PEAK_IOUT 0xd0
#define ADM1275_PEAK_VIN 0xd1
@@ -32,6 +32,9 @@ enum chips { adm1275, adm1276 };
#define ADM1275_VIN_VOUT_SELECT (1 << 6)
#define ADM1275_VRANGE (1 << 5)
+#define ADM1075_IRANGE_50 (1 << 4)
+#define ADM1075_IRANGE_25 (1 << 3)
+#define ADM1075_IRANGE_MASK ((1 << 3) | (1 << 4))
#define ADM1275_IOUT_WARN2_LIMIT 0xd7
#define ADM1275_DEVICE_CONFIG 0xd8
@@ -42,6 +45,14 @@ enum chips { adm1275, adm1276 };
#define ADM1275_MFR_STATUS_IOUT_WARN2 (1 << 0)
+#define ADM1075_READ_VAUX 0xdd
+#define ADM1075_VAUX_OV_WARN_LIMIT 0xde
+#define ADM1075_VAUX_UV_WARN_LIMIT 0xdf
+#define ADM1075_VAUX_STATUS 0xf6
+
+#define ADM1075_VAUX_OV_WARN (1<<7)
+#define ADM1075_VAUX_UV_WARN (1<<6)
+
struct adm1275_data {
int id;
bool have_oc_fault;
@@ -74,6 +85,29 @@ static int adm1275_read_word_data(struct i2c_client *client, int page, int reg)
}
ret = pmbus_read_word_data(client, 0, ADM1275_IOUT_WARN2_LIMIT);
break;
+ case PMBUS_VOUT_OV_WARN_LIMIT:
+ if (data->id != adm1075) {
+ ret = -ENODATA;
+ break;
+ }
+ ret = pmbus_read_word_data(client, 0,
+ ADM1075_VAUX_OV_WARN_LIMIT);
+ break;
+ case PMBUS_VOUT_UV_WARN_LIMIT:
+ if (data->id != adm1075) {
+ ret = -ENODATA;
+ break;
+ }
+ ret = pmbus_read_word_data(client, 0,
+ ADM1075_VAUX_UV_WARN_LIMIT);
+ break;
+ case PMBUS_READ_VOUT:
+ if (data->id != adm1075) {
+ ret = -ENODATA;
+ break;
+ }
+ ret = pmbus_read_word_data(client, 0, ADM1075_READ_VAUX);
+ break;
case PMBUS_VIRT_READ_IOUT_MAX:
ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_IOUT);
break;
@@ -84,7 +118,7 @@ static int adm1275_read_word_data(struct i2c_client *client, int page, int reg)
ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_VIN);
break;
case PMBUS_VIRT_READ_PIN_MAX:
- if (data->id != adm1276) {
+ if (data->id == adm1275) {
ret = -ENXIO;
break;
}
@@ -95,7 +129,7 @@ static int adm1275_read_word_data(struct i2c_client *client, int page, int reg)
case PMBUS_VIRT_RESET_VIN_HISTORY:
break;
case PMBUS_VIRT_RESET_PIN_HISTORY:
- if (data->id != adm1276)
+ if (data->id == adm1275)
ret = -ENXIO;
break;
default:
@@ -163,6 +197,19 @@ static int adm1275_read_byte_data(struct i2c_client *client, int page, int reg)
PB_IOUT_OC_FAULT : PB_IOUT_UC_FAULT;
}
break;
+ case PMBUS_STATUS_VOUT:
+ if (data->id != adm1075) {
+ ret = -ENODATA;
+ break;
+ }
+ ret = 0;
+ mfr_status = pmbus_read_byte_data(client, 0,
+ ADM1075_VAUX_STATUS);
+ if (mfr_status & ADM1075_VAUX_OV_WARN)
+ ret |= PB_VOLTAGE_OV_WARNING;
+ if (mfr_status & ADM1075_VAUX_UV_WARN)
+ ret |= PB_VOLTAGE_UV_WARNING;
+ break;
default:
ret = -ENODATA;
break;
@@ -171,6 +218,7 @@ static int adm1275_read_byte_data(struct i2c_client *client, int page, int reg)
}
static const struct i2c_device_id adm1275_id[] = {
+ { "adm1075", adm1075 },
{ "adm1275", adm1275 },
{ "adm1276", adm1276 },
{ }
@@ -229,7 +277,8 @@ static int adm1275_probe(struct i2c_client *client,
if (device_config < 0)
return device_config;
- data = kzalloc(sizeof(struct adm1275_data), GFP_KERNEL);
+ data = devm_kzalloc(&client->dev, sizeof(struct adm1275_data),
+ GFP_KERNEL);
if (!data)
return -ENOMEM;
@@ -250,7 +299,14 @@ static int adm1275_probe(struct i2c_client *client,
info->read_byte_data = adm1275_read_byte_data;
info->write_word_data = adm1275_write_word_data;
- if (config & ADM1275_VRANGE) {
+ if (data->id == adm1075) {
+ info->m[PSC_VOLTAGE_IN] = 27169;
+ info->b[PSC_VOLTAGE_IN] = 0;
+ info->R[PSC_VOLTAGE_IN] = -1;
+ info->m[PSC_VOLTAGE_OUT] = 27169;
+ info->b[PSC_VOLTAGE_OUT] = 0;
+ info->R[PSC_VOLTAGE_OUT] = -1;
+ } else if (config & ADM1275_VRANGE) {
info->m[PSC_VOLTAGE_IN] = 19199;
info->b[PSC_VOLTAGE_IN] = 0;
info->R[PSC_VOLTAGE_IN] = -2;
@@ -270,6 +326,31 @@ static int adm1275_probe(struct i2c_client *client,
data->have_oc_fault = true;
switch (data->id) {
+ case adm1075:
+ info->format[PSC_POWER] = direct;
+ info->b[PSC_POWER] = 0;
+ info->R[PSC_POWER] = -1;
+ switch (config & ADM1075_IRANGE_MASK) {
+ case ADM1075_IRANGE_25:
+ info->m[PSC_POWER] = 8549;
+ info->m[PSC_CURRENT_OUT] = 806;
+ break;
+ case ADM1075_IRANGE_50:
+ info->m[PSC_POWER] = 4279;
+ info->m[PSC_CURRENT_OUT] = 404;
+ break;
+ default:
+ dev_err(&client->dev, "Invalid input current range");
+ info->m[PSC_POWER] = 0;
+ info->m[PSC_CURRENT_OUT] = 0;
+ break;
+ }
+ info->func[0] |= PMBUS_HAVE_VIN | PMBUS_HAVE_PIN
+ | PMBUS_HAVE_STATUS_INPUT;
+ if (config & ADM1275_VIN_VOUT_SELECT)
+ info->func[0] |=
+ PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT;
+ break;
case adm1275:
if (config & ADM1275_VIN_VOUT_SELECT)
info->func[0] |=
@@ -297,24 +378,7 @@ static int adm1275_probe(struct i2c_client *client,
break;
}
- ret = pmbus_do_probe(client, id, info);
- if (ret)
- goto err_mem;
- return 0;
-
-err_mem:
- kfree(data);
- return ret;
-}
-
-static int adm1275_remove(struct i2c_client *client)
-{
- const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
- const struct adm1275_data *data = to_adm1275_data(info);
-
- pmbus_do_remove(client);
- kfree(data);
- return 0;
+ return pmbus_do_probe(client, id, info);
}
static struct i2c_driver adm1275_driver = {
@@ -322,22 +386,12 @@ static struct i2c_driver adm1275_driver = {
.name = "adm1275",
},
.probe = adm1275_probe,
- .remove = adm1275_remove,
+ .remove = pmbus_do_remove,
.id_table = adm1275_id,
};
-static int __init adm1275_init(void)
-{
- return i2c_add_driver(&adm1275_driver);
-}
-
-static void __exit adm1275_exit(void)
-{
- i2c_del_driver(&adm1275_driver);
-}
+module_i2c_driver(adm1275_driver);
MODULE_AUTHOR("Guenter Roeck");
MODULE_DESCRIPTION("PMBus driver for Analog Devices ADM1275 and compatibles");
MODULE_LICENSE("GPL");
-module_init(adm1275_init);
-module_exit(adm1275_exit);
diff --git a/drivers/hwmon/pmbus/lm25066.c b/drivers/hwmon/pmbus/lm25066.c
index 84a37f0c8db..c299392716a 100644
--- a/drivers/hwmon/pmbus/lm25066.c
+++ b/drivers/hwmon/pmbus/lm25066.c
@@ -176,7 +176,6 @@ static int lm25066_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
int config;
- int ret;
struct lm25066_data *data;
struct pmbus_driver_info *info;
@@ -184,15 +183,14 @@ static int lm25066_probe(struct i2c_client *client,
I2C_FUNC_SMBUS_READ_BYTE_DATA))
return -ENODEV;
- data = kzalloc(sizeof(struct lm25066_data), GFP_KERNEL);
+ data = devm_kzalloc(&client->dev, sizeof(struct lm25066_data),
+ GFP_KERNEL);
if (!data)
return -ENOMEM;
config = i2c_smbus_read_byte_data(client, LM25066_DEVICE_SETUP);
- if (config < 0) {
- ret = config;
- goto err_mem;
- }
+ if (config < 0)
+ return config;
data->id = id->driver_data;
info = &data->info;
@@ -291,28 +289,10 @@ static int lm25066_probe(struct i2c_client *client,
}
break;
default:
- ret = -ENODEV;
- goto err_mem;
+ return -ENODEV;
}
- ret = pmbus_do_probe(client, id, info);
- if (ret)
- goto err_mem;
- return 0;
-
-err_mem:
- kfree(data);
- return ret;
-}
-
-static int lm25066_remove(struct i2c_client *client)
-{
- const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
- const struct lm25066_data *data = to_lm25066_data(info);
-
- pmbus_do_remove(client);
- kfree(data);
- return 0;
+ return pmbus_do_probe(client, id, info);
}
static const struct i2c_device_id lm25066_id[] = {
@@ -330,22 +310,12 @@ static struct i2c_driver lm25066_driver = {
.name = "lm25066",
},
.probe = lm25066_probe,
- .remove = lm25066_remove,
+ .remove = pmbus_do_remove,
.id_table = lm25066_id,
};
-static int __init lm25066_init(void)
-{
- return i2c_add_driver(&lm25066_driver);
-}
-
-static void __exit lm25066_exit(void)
-{
- i2c_del_driver(&lm25066_driver);
-}
+module_i2c_driver(lm25066_driver);
MODULE_AUTHOR("Guenter Roeck");
MODULE_DESCRIPTION("PMBus driver for LM25066/LM5064/LM5066");
MODULE_LICENSE("GPL");
-module_init(lm25066_init);
-module_exit(lm25066_exit);
diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index 820fff48910..9652a2c92a2 100644
--- a/drivers/hwmon/pmbus/ltc2978.c
+++ b/drivers/hwmon/pmbus/ltc2978.c
@@ -287,7 +287,7 @@ MODULE_DEVICE_TABLE(i2c, ltc2978_id);
static int ltc2978_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
- int chip_id, ret, i;
+ int chip_id, i;
struct ltc2978_data *data;
struct pmbus_driver_info *info;
@@ -295,15 +295,14 @@ static int ltc2978_probe(struct i2c_client *client,
I2C_FUNC_SMBUS_READ_WORD_DATA))
return -ENODEV;
- data = kzalloc(sizeof(struct ltc2978_data), GFP_KERNEL);
+ data = devm_kzalloc(&client->dev, sizeof(struct ltc2978_data),
+ GFP_KERNEL);
if (!data)
return -ENOMEM;
chip_id = i2c_smbus_read_word_data(client, LTC2978_MFR_SPECIAL_ID);
- if (chip_id < 0) {
- ret = chip_id;
- goto err_mem;
- }
+ if (chip_id < 0)
+ return chip_id;
if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2) {
data->id = ltc2978;
@@ -311,8 +310,7 @@ static int ltc2978_probe(struct i2c_client *client,
data->id = ltc3880;
} else {
dev_err(&client->dev, "Unsupported chip ID 0x%x\n", chip_id);
- ret = -ENODEV;
- goto err_mem;
+ return -ENODEV;
}
if (data->id != id->driver_data)
dev_warn(&client->dev,
@@ -357,28 +355,10 @@ static int ltc2978_probe(struct i2c_client *client,
data->vout_min[1] = 0xffff;
break;
default:
- ret = -ENODEV;
- goto err_mem;
+ return -ENODEV;
}
- ret = pmbus_do_probe(client, id, info);
- if (ret)
- goto err_mem;
- return 0;
-
-err_mem:
- kfree(data);
- return ret;
-}
-
-static int ltc2978_remove(struct i2c_client *client)
-{
- const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
- const struct ltc2978_data *data = to_ltc2978_data(info);
-
- pmbus_do_remove(client);
- kfree(data);
- return 0;
+ return pmbus_do_probe(client, id, info);
}
/* This is the driver that will be inserted */
@@ -387,22 +367,12 @@ static struct i2c_driver ltc2978_driver = {
.name = "ltc2978",
},
.probe = ltc2978_probe,
- .remove = ltc2978_remove,
+ .remove = pmbus_do_remove,
.id_table = ltc2978_id,
};
-static int __init ltc2978_init(void)
-{
- return i2c_add_driver(&ltc2978_driver);
-}
-
-static void __exit ltc2978_exit(void)
-{
- i2c_del_driver(&ltc2978_driver);
-}
+module_i2c_driver(ltc2978_driver);
MODULE_AUTHOR("Guenter Roeck");
MODULE_DESCRIPTION("PMBus driver for LTC2978 and LTC3880");
MODULE_LICENSE("GPL");
-module_init(ltc2978_init);
-module_exit(ltc2978_exit);
diff --git a/drivers/hwmon/pmbus/max16064.c b/drivers/hwmon/pmbus/max16064.c
index 1d77cf4d2d4..fa237a3c329 100644
--- a/drivers/hwmon/pmbus/max16064.c
+++ b/drivers/hwmon/pmbus/max16064.c
@@ -103,12 +103,6 @@ static int max16064_probe(struct i2c_client *client,
return pmbus_do_probe(client, id, &max16064_info);
}
-static int max16064_remove(struct i2c_client *client)
-{
- pmbus_do_remove(client);
- return 0;
-}
-
static const struct i2c_device_id max16064_id[] = {
{"max16064", 0},
{}
@@ -122,22 +116,12 @@ static struct i2c_driver max16064_driver = {
.name = "max16064",
},
.probe = max16064_probe,
- .remove = max16064_remove,
+ .remove = pmbus_do_remove,
.id_table = max16064_id,
};
-static int __init max16064_init(void)
-{
- return i2c_add_driver(&max16064_driver);
-}
-
-static void __exit max16064_exit(void)
-{
- i2c_del_driver(&max16064_driver);
-}
+module_i2c_driver(max16064_driver);
MODULE_AUTHOR("Guenter Roeck");
MODULE_DESCRIPTION("PMBus driver for Maxim MAX16064");
MODULE_LICENSE("GPL");
-module_init(max16064_init);
-module_exit(max16064_exit);
diff --git a/drivers/hwmon/pmbus/max34440.c b/drivers/hwmon/pmbus/max34440.c
index 9b97a5b3cf3..2ada7b021fb 100644
--- a/drivers/hwmon/pmbus/max34440.c
+++ b/drivers/hwmon/pmbus/max34440.c
@@ -25,34 +25,82 @@
#include <linux/i2c.h>
#include "pmbus.h"
-enum chips { max34440, max34441 };
+enum chips { max34440, max34441, max34446 };
#define MAX34440_MFR_VOUT_PEAK 0xd4
#define MAX34440_MFR_IOUT_PEAK 0xd5
#define MAX34440_MFR_TEMPERATURE_PEAK 0xd6
+#define MAX34440_MFR_VOUT_MIN 0xd7
+
+#define MAX34446_MFR_POUT_PEAK 0xe0
+#define MAX34446_MFR_POUT_AVG 0xe1
+#define MAX34446_MFR_IOUT_AVG 0xe2
+#define MAX34446_MFR_TEMPERATURE_AVG 0xe3
#define MAX34440_STATUS_OC_WARN (1 << 0)
#define MAX34440_STATUS_OC_FAULT (1 << 1)
#define MAX34440_STATUS_OT_FAULT (1 << 5)
#define MAX34440_STATUS_OT_WARN (1 << 6)
+struct max34440_data {
+ int id;
+ struct pmbus_driver_info info;
+};
+
+#define to_max34440_data(x) container_of(x, struct max34440_data, info)
+
static int max34440_read_word_data(struct i2c_client *client, int page, int reg)
{
int ret;
+ const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
+ const struct max34440_data *data = to_max34440_data(info);
switch (reg) {
+ case PMBUS_VIRT_READ_VOUT_MIN:
+ ret = pmbus_read_word_data(client, page,
+ MAX34440_MFR_VOUT_MIN);
+ break;
case PMBUS_VIRT_READ_VOUT_MAX:
ret = pmbus_read_word_data(client, page,
MAX34440_MFR_VOUT_PEAK);
break;
+ case PMBUS_VIRT_READ_IOUT_AVG:
+ if (data->id != max34446)
+ return -ENXIO;
+ ret = pmbus_read_word_data(client, page,
+ MAX34446_MFR_IOUT_AVG);
+ break;
case PMBUS_VIRT_READ_IOUT_MAX:
ret = pmbus_read_word_data(client, page,
MAX34440_MFR_IOUT_PEAK);
break;
+ case PMBUS_VIRT_READ_POUT_AVG:
+ if (data->id != max34446)
+ return -ENXIO;
+ ret = pmbus_read_word_data(client, page,
+ MAX34446_MFR_POUT_AVG);
+ break;
+ case PMBUS_VIRT_READ_POUT_MAX:
+ if (data->id != max34446)
+ return -ENXIO;
+ ret = pmbus_read_word_data(client, page,
+ MAX34446_MFR_POUT_PEAK);
+ break;
+ case PMBUS_VIRT_READ_TEMP_AVG:
+ if (data->id != max34446)
+ return -ENXIO;
+ ret = pmbus_read_word_data(client, page,
+ MAX34446_MFR_TEMPERATURE_AVG);
+ break;
case PMBUS_VIRT_READ_TEMP_MAX:
ret = pmbus_read_word_data(client, page,
MAX34440_MFR_TEMPERATURE_PEAK);
break;
+ case PMBUS_VIRT_RESET_POUT_HISTORY:
+ if (data->id != max34446)
+ return -ENXIO;
+ ret = 0;
+ break;
case PMBUS_VIRT_RESET_VOUT_HISTORY:
case PMBUS_VIRT_RESET_IOUT_HISTORY:
case PMBUS_VIRT_RESET_TEMP_HISTORY:
@@ -68,21 +116,42 @@ static int max34440_read_word_data(struct i2c_client *client, int page, int reg)
static int max34440_write_word_data(struct i2c_client *client, int page,
int reg, u16 word)
{
+ const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
+ const struct max34440_data *data = to_max34440_data(info);
int ret;
switch (reg) {
+ case PMBUS_VIRT_RESET_POUT_HISTORY:
+ ret = pmbus_write_word_data(client, page,
+ MAX34446_MFR_POUT_PEAK, 0);
+ if (ret)
+ break;
+ ret = pmbus_write_word_data(client, page,
+ MAX34446_MFR_POUT_AVG, 0);
+ break;
case PMBUS_VIRT_RESET_VOUT_HISTORY:
ret = pmbus_write_word_data(client, page,
+ MAX34440_MFR_VOUT_MIN, 0x7fff);
+ if (ret)
+ break;
+ ret = pmbus_write_word_data(client, page,
MAX34440_MFR_VOUT_PEAK, 0);
break;
case PMBUS_VIRT_RESET_IOUT_HISTORY:
ret = pmbus_write_word_data(client, page,
MAX34440_MFR_IOUT_PEAK, 0);
+ if (!ret && data->id == max34446)
+ ret = pmbus_write_word_data(client, page,
+ MAX34446_MFR_IOUT_AVG, 0);
+
break;
case PMBUS_VIRT_RESET_TEMP_HISTORY:
ret = pmbus_write_word_data(client, page,
MAX34440_MFR_TEMPERATURE_PEAK,
0x8000);
+ if (!ret && data->id == max34446)
+ ret = pmbus_write_word_data(client, page,
+ MAX34446_MFR_TEMPERATURE_AVG, 0);
break;
default:
ret = -ENODATA;
@@ -216,26 +285,66 @@ static struct pmbus_driver_info max34440_info[] = {
.read_word_data = max34440_read_word_data,
.write_word_data = max34440_write_word_data,
},
+ [max34446] = {
+ .pages = 7,
+ .format[PSC_VOLTAGE_IN] = direct,
+ .format[PSC_VOLTAGE_OUT] = direct,
+ .format[PSC_TEMPERATURE] = direct,
+ .format[PSC_CURRENT_OUT] = direct,
+ .format[PSC_POWER] = direct,
+ .m[PSC_VOLTAGE_IN] = 1,
+ .b[PSC_VOLTAGE_IN] = 0,
+ .R[PSC_VOLTAGE_IN] = 3,
+ .m[PSC_VOLTAGE_OUT] = 1,
+ .b[PSC_VOLTAGE_OUT] = 0,
+ .R[PSC_VOLTAGE_OUT] = 3,
+ .m[PSC_CURRENT_OUT] = 1,
+ .b[PSC_CURRENT_OUT] = 0,
+ .R[PSC_CURRENT_OUT] = 3,
+ .m[PSC_POWER] = 1,
+ .b[PSC_POWER] = 0,
+ .R[PSC_POWER] = 3,
+ .m[PSC_TEMPERATURE] = 1,
+ .b[PSC_TEMPERATURE] = 0,
+ .R[PSC_TEMPERATURE] = 2,
+ .func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT,
+ .func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+ .func[2] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT,
+ .func[3] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+ .func[4] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .func[5] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .func[6] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .read_byte_data = max34440_read_byte_data,
+ .read_word_data = max34440_read_word_data,
+ .write_word_data = max34440_write_word_data,
+ },
};
static int max34440_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
- return pmbus_do_probe(client, id, &max34440_info[id->driver_data]);
-}
+ struct max34440_data *data;
-static int max34440_remove(struct i2c_client *client)
-{
- pmbus_do_remove(client);
- return 0;
+ data = devm_kzalloc(&client->dev, sizeof(struct max34440_data),
+ GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+ data->id = id->driver_data;
+ data->info = max34440_info[id->driver_data];
+
+ return pmbus_do_probe(client, id, &data->info);
}
static const struct i2c_device_id max34440_id[] = {
{"max34440", max34440},
{"max34441", max34441},
+ {"max34446", max34446},
{}
};
-
MODULE_DEVICE_TABLE(i2c, max34440_id);
/* This is the driver that will be inserted */
@@ -244,22 +353,12 @@ static struct i2c_driver max34440_driver = {
.name = "max34440",
},
.probe = max34440_probe,
- .remove = max34440_remove,
+ .remove = pmbus_do_remove,
.id_table = max34440_id,
};
-static int __init max34440_init(void)
-{
- return i2c_add_driver(&max34440_driver);
-}
-
-static void __exit max34440_exit(void)
-{
- i2c_del_driver(&max34440_driver);
-}
+module_i2c_driver(max34440_driver);
MODULE_AUTHOR("Guenter Roeck");
MODULE_DESCRIPTION("PMBus driver for Maxim MAX34440/MAX34441");
MODULE_LICENSE("GPL");
-module_init(max34440_init);
-module_exit(max34440_exit);
diff --git a/drivers/hwmon/pmbus/max8688.c b/drivers/hwmon/pmbus/max8688.c
index e2b74bb399b..f04454a42fd 100644
--- a/drivers/hwmon/pmbus/max8688.c
+++ b/drivers/hwmon/pmbus/max8688.c
@@ -180,12 +180,6 @@ static int max8688_probe(struct i2c_client *client,
return pmbus_do_probe(client, id, &max8688_info);
}
-static int max8688_remove(struct i2c_client *client)
-{
- pmbus_do_remove(client);
- return 0;
-}
-
static const struct i2c_device_id max8688_id[] = {
{"max8688", 0},
{ }
@@ -199,22 +193,12 @@ static struct i2c_driver max8688_driver = {
.name = "max8688",
},
.probe = max8688_probe,
- .remove = max8688_remove,
+ .remove = pmbus_do_remove,
.id_table = max8688_id,
};
-static int __init max8688_init(void)
-{
- return i2c_add_driver(&max8688_driver);
-}
-
-static void __exit max8688_exit(void)
-{
- i2c_del_driver(&max8688_driver);
-}
+module_i2c_driver(max8688_driver);
MODULE_AUTHOR("Guenter Roeck");
MODULE_DESCRIPTION("PMBus driver for Maxim MAX8688");
MODULE_LICENSE("GPL");
-module_init(max8688_init);
-module_exit(max8688_exit);
diff --git a/drivers/hwmon/pmbus/pmbus.c b/drivers/hwmon/pmbus/pmbus.c
index 18a385e753d..7e91700131a 100644
--- a/drivers/hwmon/pmbus/pmbus.c
+++ b/drivers/hwmon/pmbus/pmbus.c
@@ -166,33 +166,16 @@ static int pmbus_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct pmbus_driver_info *info;
- int ret;
- info = kzalloc(sizeof(struct pmbus_driver_info), GFP_KERNEL);
+ info = devm_kzalloc(&client->dev, sizeof(struct pmbus_driver_info),
+ GFP_KERNEL);
if (!info)
return -ENOMEM;
info->pages = id->driver_data;
info->identify = pmbus_identify;
- ret = pmbus_do_probe(client, id, info);
- if (ret < 0)
- goto out;
- return 0;
-
-out:
- kfree(info);
- return ret;
-}
-
-static int pmbus_remove(struct i2c_client *client)
-{
- const struct pmbus_driver_info *info;
-
- info = pmbus_get_driver_info(client);
- pmbus_do_remove(client);
- kfree(info);
- return 0;
+ return pmbus_do_probe(client, id, info);
}
/*
@@ -202,12 +185,15 @@ static const struct i2c_device_id pmbus_id[] = {
{"adp4000", 1},
{"bmr453", 1},
{"bmr454", 1},
+ {"mdt040", 1},
{"ncp4200", 1},
{"ncp4208", 1},
{"pdt003", 1},
{"pdt006", 1},
{"pdt012", 1},
{"pmbus", 0},
+ {"tps40400", 1},
+ {"tps40422", 2},
{"udt020", 1},
{}
};
@@ -220,22 +206,12 @@ static struct i2c_driver pmbus_driver = {
.name = "pmbus",
},
.probe = pmbus_probe,
- .remove = pmbus_remove,
+ .remove = pmbus_do_remove,
.id_table = pmbus_id,
};
-static int __init pmbus_init(void)
-{
- return i2c_add_driver(&pmbus_driver);
-}
-
-static void __exit pmbus_exit(void)
-{
- i2c_del_driver(&pmbus_driver);
-}
+module_i2c_driver(pmbus_driver);
MODULE_AUTHOR("Guenter Roeck");
MODULE_DESCRIPTION("Generic PMBus driver");
MODULE_LICENSE("GPL");
-module_init(pmbus_init);
-module_exit(pmbus_exit);
diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h
index 5d31d1c2c0f..3fe03dc47eb 100644
--- a/drivers/hwmon/pmbus/pmbus.h
+++ b/drivers/hwmon/pmbus/pmbus.h
@@ -146,31 +146,36 @@
* code when reading or writing virtual registers.
*/
#define PMBUS_VIRT_BASE 0x100
-#define PMBUS_VIRT_READ_TEMP_MIN (PMBUS_VIRT_BASE + 0)
-#define PMBUS_VIRT_READ_TEMP_MAX (PMBUS_VIRT_BASE + 1)
-#define PMBUS_VIRT_RESET_TEMP_HISTORY (PMBUS_VIRT_BASE + 2)
-#define PMBUS_VIRT_READ_VIN_AVG (PMBUS_VIRT_BASE + 3)
-#define PMBUS_VIRT_READ_VIN_MIN (PMBUS_VIRT_BASE + 4)
-#define PMBUS_VIRT_READ_VIN_MAX (PMBUS_VIRT_BASE + 5)
-#define PMBUS_VIRT_RESET_VIN_HISTORY (PMBUS_VIRT_BASE + 6)
-#define PMBUS_VIRT_READ_IIN_AVG (PMBUS_VIRT_BASE + 7)
-#define PMBUS_VIRT_READ_IIN_MIN (PMBUS_VIRT_BASE + 8)
-#define PMBUS_VIRT_READ_IIN_MAX (PMBUS_VIRT_BASE + 9)
-#define PMBUS_VIRT_RESET_IIN_HISTORY (PMBUS_VIRT_BASE + 10)
-#define PMBUS_VIRT_READ_PIN_AVG (PMBUS_VIRT_BASE + 11)
-#define PMBUS_VIRT_READ_PIN_MAX (PMBUS_VIRT_BASE + 12)
-#define PMBUS_VIRT_RESET_PIN_HISTORY (PMBUS_VIRT_BASE + 13)
-#define PMBUS_VIRT_READ_VOUT_AVG (PMBUS_VIRT_BASE + 14)
-#define PMBUS_VIRT_READ_VOUT_MIN (PMBUS_VIRT_BASE + 15)
-#define PMBUS_VIRT_READ_VOUT_MAX (PMBUS_VIRT_BASE + 16)
-#define PMBUS_VIRT_RESET_VOUT_HISTORY (PMBUS_VIRT_BASE + 17)
-#define PMBUS_VIRT_READ_IOUT_AVG (PMBUS_VIRT_BASE + 18)
-#define PMBUS_VIRT_READ_IOUT_MIN (PMBUS_VIRT_BASE + 19)
-#define PMBUS_VIRT_READ_IOUT_MAX (PMBUS_VIRT_BASE + 20)
-#define PMBUS_VIRT_RESET_IOUT_HISTORY (PMBUS_VIRT_BASE + 21)
-#define PMBUS_VIRT_READ_TEMP2_MIN (PMBUS_VIRT_BASE + 22)
-#define PMBUS_VIRT_READ_TEMP2_MAX (PMBUS_VIRT_BASE + 23)
-#define PMBUS_VIRT_RESET_TEMP2_HISTORY (PMBUS_VIRT_BASE + 24)
+#define PMBUS_VIRT_READ_TEMP_AVG (PMBUS_VIRT_BASE + 0)
+#define PMBUS_VIRT_READ_TEMP_MIN (PMBUS_VIRT_BASE + 1)
+#define PMBUS_VIRT_READ_TEMP_MAX (PMBUS_VIRT_BASE + 2)
+#define PMBUS_VIRT_RESET_TEMP_HISTORY (PMBUS_VIRT_BASE + 3)
+#define PMBUS_VIRT_READ_VIN_AVG (PMBUS_VIRT_BASE + 4)
+#define PMBUS_VIRT_READ_VIN_MIN (PMBUS_VIRT_BASE + 5)
+#define PMBUS_VIRT_READ_VIN_MAX (PMBUS_VIRT_BASE + 6)
+#define PMBUS_VIRT_RESET_VIN_HISTORY (PMBUS_VIRT_BASE + 7)
+#define PMBUS_VIRT_READ_IIN_AVG (PMBUS_VIRT_BASE + 8)
+#define PMBUS_VIRT_READ_IIN_MIN (PMBUS_VIRT_BASE + 9)
+#define PMBUS_VIRT_READ_IIN_MAX (PMBUS_VIRT_BASE + 10)
+#define PMBUS_VIRT_RESET_IIN_HISTORY (PMBUS_VIRT_BASE + 11)
+#define PMBUS_VIRT_READ_PIN_AVG (PMBUS_VIRT_BASE + 12)
+#define PMBUS_VIRT_READ_PIN_MAX (PMBUS_VIRT_BASE + 13)
+#define PMBUS_VIRT_RESET_PIN_HISTORY (PMBUS_VIRT_BASE + 14)
+#define PMBUS_VIRT_READ_POUT_AVG (PMBUS_VIRT_BASE + 15)
+#define PMBUS_VIRT_READ_POUT_MAX (PMBUS_VIRT_BASE + 16)
+#define PMBUS_VIRT_RESET_POUT_HISTORY (PMBUS_VIRT_BASE + 17)
+#define PMBUS_VIRT_READ_VOUT_AVG (PMBUS_VIRT_BASE + 18)
+#define PMBUS_VIRT_READ_VOUT_MIN (PMBUS_VIRT_BASE + 19)
+#define PMBUS_VIRT_READ_VOUT_MAX (PMBUS_VIRT_BASE + 20)
+#define PMBUS_VIRT_RESET_VOUT_HISTORY (PMBUS_VIRT_BASE + 21)
+#define PMBUS_VIRT_READ_IOUT_AVG (PMBUS_VIRT_BASE + 22)
+#define PMBUS_VIRT_READ_IOUT_MIN (PMBUS_VIRT_BASE + 23)
+#define PMBUS_VIRT_READ_IOUT_MAX (PMBUS_VIRT_BASE + 24)
+#define PMBUS_VIRT_RESET_IOUT_HISTORY (PMBUS_VIRT_BASE + 25)
+#define PMBUS_VIRT_READ_TEMP2_AVG (PMBUS_VIRT_BASE + 26)
+#define PMBUS_VIRT_READ_TEMP2_MIN (PMBUS_VIRT_BASE + 27)
+#define PMBUS_VIRT_READ_TEMP2_MAX (PMBUS_VIRT_BASE + 28)
+#define PMBUS_VIRT_RESET_TEMP2_HISTORY (PMBUS_VIRT_BASE + 29)
/*
* CAPABILITY
@@ -364,7 +369,7 @@ bool pmbus_check_byte_register(struct i2c_client *client, int page, int reg);
bool pmbus_check_word_register(struct i2c_client *client, int page, int reg);
int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
struct pmbus_driver_info *info);
-void pmbus_do_remove(struct i2c_client *client);
+int pmbus_do_remove(struct i2c_client *client);
const struct pmbus_driver_info *pmbus_get_driver_info(struct i2c_client
*client);
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index d89b33967a8..be51037363c 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -40,11 +40,14 @@
#define PMBUS_IOUT_SENSORS_PER_PAGE 8 /* input, min, max, crit,
lowest, highest, avg,
reset */
-#define PMBUS_POUT_SENSORS_PER_PAGE 4 /* input, cap, max, crit */
+#define PMBUS_POUT_SENSORS_PER_PAGE 7 /* input, cap, max, crit,
+ * highest, avg, reset
+ */
#define PMBUS_MAX_SENSORS_PER_FAN 1 /* input */
-#define PMBUS_MAX_SENSORS_PER_TEMP 8 /* input, min, max, lcrit,
- crit, lowest, highest,
- reset */
+#define PMBUS_MAX_SENSORS_PER_TEMP 9 /* input, min, max, lcrit,
+ * crit, lowest, highest, avg,
+ * reset
+ */
#define PMBUS_MAX_INPUT_BOOLEANS 7 /* v: min_alarm, max_alarm,
lcrit_alarm, crit_alarm;
@@ -782,7 +785,7 @@ static ssize_t pmbus_set_sensor(struct device *dev,
int ret;
u16 regval;
- if (strict_strtol(buf, 10, &val) < 0)
+ if (kstrtol(buf, 10, &val) < 0)
return -EINVAL;
mutex_lock(&data->update_lock);
@@ -1334,6 +1337,17 @@ static const struct pmbus_limit_attr pout_limit_attrs[] = {
.attr = "crit",
.alarm = "crit_alarm",
.sbit = PB_POUT_OP_FAULT,
+ }, {
+ .reg = PMBUS_VIRT_READ_POUT_AVG,
+ .update = true,
+ .attr = "average",
+ }, {
+ .reg = PMBUS_VIRT_READ_POUT_MAX,
+ .update = true,
+ .attr = "input_highest",
+ }, {
+ .reg = PMBUS_VIRT_RESET_POUT_HISTORY,
+ .attr = "reset_history",
}
};
@@ -1389,6 +1403,9 @@ static const struct pmbus_limit_attr temp_limit_attrs[] = {
.reg = PMBUS_VIRT_READ_TEMP_MIN,
.attr = "lowest",
}, {
+ .reg = PMBUS_VIRT_READ_TEMP_AVG,
+ .attr = "average",
+ }, {
.reg = PMBUS_VIRT_READ_TEMP_MAX,
.attr = "highest",
}, {
@@ -1424,6 +1441,9 @@ static const struct pmbus_limit_attr temp_limit_attrs2[] = {
.reg = PMBUS_VIRT_READ_TEMP2_MIN,
.attr = "lowest",
}, {
+ .reg = PMBUS_VIRT_READ_TEMP2_AVG,
+ .attr = "average",
+ }, {
.reg = PMBUS_VIRT_READ_TEMP2_MAX,
.attr = "highest",
}, {
@@ -1676,7 +1696,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
| I2C_FUNC_SMBUS_WORD_DATA))
return -ENODEV;
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
if (!data) {
dev_err(&client->dev, "No memory to allocate driver data\n");
return -ENOMEM;
@@ -1688,8 +1708,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
/* Bail out if PMBus status register does not exist. */
if (i2c_smbus_read_byte_data(client, PMBUS_STATUS_BYTE) < 0) {
dev_err(&client->dev, "PMBus status register not found\n");
- ret = -ENODEV;
- goto out_data;
+ return -ENODEV;
}
if (pdata)
@@ -1702,50 +1721,49 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
ret = (*info->identify)(client, info);
if (ret < 0) {
dev_err(&client->dev, "Chip identification failed\n");
- goto out_data;
+ return ret;
}
}
if (info->pages <= 0 || info->pages > PMBUS_PAGES) {
dev_err(&client->dev, "Bad number of PMBus pages: %d\n",
info->pages);
- ret = -ENODEV;
- goto out_data;
+ return -ENODEV;
}
ret = pmbus_identify_common(client, data);
if (ret < 0) {
dev_err(&client->dev, "Failed to identify chip capabilities\n");
- goto out_data;
+ return ret;
}
ret = -ENOMEM;
- data->sensors = kzalloc(sizeof(struct pmbus_sensor) * data->max_sensors,
- GFP_KERNEL);
+ data->sensors = devm_kzalloc(&client->dev, sizeof(struct pmbus_sensor)
+ * data->max_sensors, GFP_KERNEL);
if (!data->sensors) {
dev_err(&client->dev, "No memory to allocate sensor data\n");
- goto out_data;
+ return -ENOMEM;
}
- data->booleans = kzalloc(sizeof(struct pmbus_boolean)
+ data->booleans = devm_kzalloc(&client->dev, sizeof(struct pmbus_boolean)
* data->max_booleans, GFP_KERNEL);
if (!data->booleans) {
dev_err(&client->dev, "No memory to allocate boolean data\n");
- goto out_sensors;
+ return -ENOMEM;
}
- data->labels = kzalloc(sizeof(struct pmbus_label) * data->max_labels,
- GFP_KERNEL);
+ data->labels = devm_kzalloc(&client->dev, sizeof(struct pmbus_label)
+ * data->max_labels, GFP_KERNEL);
if (!data->labels) {
dev_err(&client->dev, "No memory to allocate label data\n");
- goto out_booleans;
+ return -ENOMEM;
}
- data->attributes = kzalloc(sizeof(struct attribute *)
- * data->max_attributes, GFP_KERNEL);
+ data->attributes = devm_kzalloc(&client->dev, sizeof(struct attribute *)
+ * data->max_attributes, GFP_KERNEL);
if (!data->attributes) {
dev_err(&client->dev, "No memory to allocate attribute data\n");
- goto out_labels;
+ return -ENOMEM;
}
pmbus_find_attributes(client, data);
@@ -1756,8 +1774,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
*/
if (!data->num_attributes) {
dev_err(&client->dev, "No attributes found\n");
- ret = -ENODEV;
- goto out_attributes;
+ return -ENODEV;
}
/* Register sysfs hooks */
@@ -1765,7 +1782,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
ret = sysfs_create_group(&client->dev.kobj, &data->group);
if (ret) {
dev_err(&client->dev, "Failed to create sysfs entries\n");
- goto out_attributes;
+ return ret;
}
data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
@@ -1777,30 +1794,16 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
out_hwmon_device_register:
sysfs_remove_group(&client->dev.kobj, &data->group);
-out_attributes:
- kfree(data->attributes);
-out_labels:
- kfree(data->labels);
-out_booleans:
- kfree(data->booleans);
-out_sensors:
- kfree(data->sensors);
-out_data:
- kfree(data);
return ret;
}
EXPORT_SYMBOL_GPL(pmbus_do_probe);
-void pmbus_do_remove(struct i2c_client *client)
+int pmbus_do_remove(struct i2c_client *client)
{
struct pmbus_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &data->group);
- kfree(data->attributes);
- kfree(data->labels);
- kfree(data->booleans);
- kfree(data->sensors);
- kfree(data);
+ return 0;
}
EXPORT_SYMBOL_GPL(pmbus_do_remove);
diff --git a/drivers/hwmon/pmbus/ucd9000.c b/drivers/hwmon/pmbus/ucd9000.c
index 4ff6cf289f8..fbb1479d3ad 100644
--- a/drivers/hwmon/pmbus/ucd9000.c
+++ b/drivers/hwmon/pmbus/ucd9000.c
@@ -155,7 +155,8 @@ static int ucd9000_probe(struct i2c_client *client,
"Device mismatch: Configured %s, detected %s\n",
id->name, mid->name);
- data = kzalloc(sizeof(struct ucd9000_data), GFP_KERNEL);
+ data = devm_kzalloc(&client->dev, sizeof(struct ucd9000_data),
+ GFP_KERNEL);
if (!data)
return -ENOMEM;
info = &data->info;
@@ -164,13 +165,12 @@ static int ucd9000_probe(struct i2c_client *client,
if (ret < 0) {
dev_err(&client->dev,
"Failed to read number of active pages\n");
- goto out;
+ return ret;
}
info->pages = ret;
if (!info->pages) {
dev_err(&client->dev, "No pages configured\n");
- ret = -ENODEV;
- goto out;
+ return -ENODEV;
}
/* The internal temperature sensor is always active */
@@ -181,8 +181,7 @@ static int ucd9000_probe(struct i2c_client *client,
block_buffer);
if (ret <= 0) {
dev_err(&client->dev, "Failed to read configuration data\n");
- ret = -ENODEV;
- goto out;
+ return -ENODEV;
}
for (i = 0; i < ret; i++) {
int page = UCD9000_MON_PAGE(block_buffer[i]);
@@ -218,7 +217,7 @@ static int ucd9000_probe(struct i2c_client *client,
UCD9000_FAN_CONFIG,
data->fan_data[i]);
if (ret < 0)
- goto out;
+ return ret;
}
i2c_smbus_write_byte_data(client, UCD9000_FAN_CONFIG_INDEX, 0);
@@ -227,49 +226,21 @@ static int ucd9000_probe(struct i2c_client *client,
| PMBUS_HAVE_FAN34 | PMBUS_HAVE_STATUS_FAN34;
}
- ret = pmbus_do_probe(client, mid, info);
- if (ret < 0)
- goto out;
- return 0;
-
-out:
- kfree(data);
- return ret;
-}
-
-static int ucd9000_remove(struct i2c_client *client)
-{
- struct ucd9000_data *data;
-
- data = to_ucd9000_data(pmbus_get_driver_info(client));
- pmbus_do_remove(client);
- kfree(data);
- return 0;
+ return pmbus_do_probe(client, mid, info);
}
-
/* This is the driver that will be inserted */
static struct i2c_driver ucd9000_driver = {
.driver = {
.name = "ucd9000",
},
.probe = ucd9000_probe,
- .remove = ucd9000_remove,
+ .remove = pmbus_do_remove,
.id_table = ucd9000_id,
};
-static int __init ucd9000_init(void)
-{
- return i2c_add_driver(&ucd9000_driver);
-}
-
-static void __exit ucd9000_exit(void)
-{
- i2c_del_driver(&ucd9000_driver);
-}
+module_i2c_driver(ucd9000_driver);
MODULE_AUTHOR("Guenter Roeck");
MODULE_DESCRIPTION("PMBus driver for TI UCD90xxx");
MODULE_LICENSE("GPL");
-module_init(ucd9000_init);
-module_exit(ucd9000_exit);
diff --git a/drivers/hwmon/pmbus/ucd9200.c b/drivers/hwmon/pmbus/ucd9200.c
index 6e1c1a80ab8..033d6aca47d 100644
--- a/drivers/hwmon/pmbus/ucd9200.c
+++ b/drivers/hwmon/pmbus/ucd9200.c
@@ -81,7 +81,8 @@ static int ucd9200_probe(struct i2c_client *client,
"Device mismatch: Configured %s, detected %s\n",
id->name, mid->name);
- info = kzalloc(sizeof(struct pmbus_driver_info), GFP_KERNEL);
+ info = devm_kzalloc(&client->dev, sizeof(struct pmbus_driver_info),
+ GFP_KERNEL);
if (!info)
return -ENOMEM;
@@ -89,7 +90,7 @@ static int ucd9200_probe(struct i2c_client *client,
block_buffer);
if (ret < 0) {
dev_err(&client->dev, "Failed to read phase information\n");
- goto out;
+ return ret;
}
/*
@@ -106,8 +107,7 @@ static int ucd9200_probe(struct i2c_client *client,
}
if (!info->pages) {
dev_err(&client->dev, "No rails configured\n");
- ret = -ENODEV;
- goto out;
+ return -ENODEV;
}
dev_info(&client->dev, "%d rails configured\n", info->pages);
@@ -137,7 +137,7 @@ static int ucd9200_probe(struct i2c_client *client,
if (ret < 0) {
dev_err(&client->dev,
"Failed to initialize PHASE registers\n");
- goto out;
+ return ret;
}
}
if (info->pages > 1)
@@ -160,48 +160,21 @@ static int ucd9200_probe(struct i2c_client *client,
if (mid->driver_data == ucd9240)
info->func[0] |= PMBUS_HAVE_FAN12 | PMBUS_HAVE_STATUS_FAN12;
- ret = pmbus_do_probe(client, mid, info);
- if (ret < 0)
- goto out;
- return 0;
-out:
- kfree(info);
- return ret;
-}
-
-static int ucd9200_remove(struct i2c_client *client)
-{
- const struct pmbus_driver_info *info;
-
- info = pmbus_get_driver_info(client);
- pmbus_do_remove(client);
- kfree(info);
- return 0;
+ return pmbus_do_probe(client, mid, info);
}
-
/* This is the driver that will be inserted */
static struct i2c_driver ucd9200_driver = {
.driver = {
.name = "ucd9200",
},
.probe = ucd9200_probe,
- .remove = ucd9200_remove,
+ .remove = pmbus_do_remove,
.id_table = ucd9200_id,
};
-static int __init ucd9200_init(void)
-{
- return i2c_add_driver(&ucd9200_driver);
-}
-
-static void __exit ucd9200_exit(void)
-{
- i2c_del_driver(&ucd9200_driver);
-}
+module_i2c_driver(ucd9200_driver);
MODULE_AUTHOR("Guenter Roeck");
MODULE_DESCRIPTION("PMBus driver for TI UCD922x, UCD924x");
MODULE_LICENSE("GPL");
-module_init(ucd9200_init);
-module_exit(ucd9200_exit);
diff --git a/drivers/hwmon/pmbus/zl6100.c b/drivers/hwmon/pmbus/zl6100.c
index e3e8420b7b8..fc5eed8e85b 100644
--- a/drivers/hwmon/pmbus/zl6100.c
+++ b/drivers/hwmon/pmbus/zl6100.c
@@ -28,7 +28,8 @@
#include <linux/delay.h>
#include "pmbus.h"
-enum chips { zl2004, zl2005, zl2006, zl2008, zl2105, zl2106, zl6100, zl6105 };
+enum chips { zl2004, zl2005, zl2006, zl2008, zl2105, zl2106, zl6100, zl6105,
+ zl9101, zl9117 };
struct zl6100_data {
int id;
@@ -152,6 +153,8 @@ static const struct i2c_device_id zl6100_id[] = {
{"zl2106", zl2106},
{"zl6100", zl6100},
{"zl6105", zl6105},
+ {"zl9101", zl9101},
+ {"zl9117", zl9117},
{ }
};
MODULE_DEVICE_TABLE(i2c, zl6100_id);
@@ -193,7 +196,8 @@ static int zl6100_probe(struct i2c_client *client,
"Device mismatch: Configured %s, detected %s\n",
id->name, mid->name);
- data = kzalloc(sizeof(struct zl6100_data), GFP_KERNEL);
+ data = devm_kzalloc(&client->dev, sizeof(struct zl6100_data),
+ GFP_KERNEL);
if (!data)
return -ENOMEM;
@@ -223,7 +227,8 @@ static int zl6100_probe(struct i2c_client *client,
ret = i2c_smbus_read_word_data(client, ZL6100_MFR_CONFIG);
if (ret < 0)
- goto err_mem;
+ return ret;
+
if (ret & ZL6100_MFR_XTEMP_ENABLE)
info->func[0] |= PMBUS_HAVE_TEMP2;
@@ -235,24 +240,7 @@ static int zl6100_probe(struct i2c_client *client,
info->write_word_data = zl6100_write_word_data;
info->write_byte = zl6100_write_byte;
- ret = pmbus_do_probe(client, mid, info);
- if (ret)
- goto err_mem;
- return 0;
-
-err_mem:
- kfree(data);
- return ret;
-}
-
-static int zl6100_remove(struct i2c_client *client)
-{
- const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
- const struct zl6100_data *data = to_zl6100_data(info);
-
- pmbus_do_remove(client);
- kfree(data);
- return 0;
+ return pmbus_do_probe(client, mid, info);
}
static struct i2c_driver zl6100_driver = {
@@ -260,22 +248,12 @@ static struct i2c_driver zl6100_driver = {
.name = "zl6100",
},
.probe = zl6100_probe,
- .remove = zl6100_remove,
+ .remove = pmbus_do_remove,
.id_table = zl6100_id,
};
-static int __init zl6100_init(void)
-{
- return i2c_add_driver(&zl6100_driver);
-}
-
-static void __exit zl6100_exit(void)
-{
- i2c_del_driver(&zl6100_driver);
-}
+module_i2c_driver(zl6100_driver);
MODULE_AUTHOR("Guenter Roeck");
MODULE_DESCRIPTION("PMBus driver for ZL6100 and compatibles");
MODULE_LICENSE("GPL");
-module_init(zl6100_init);
-module_exit(zl6100_exit);
diff --git a/drivers/hwmon/sch5627.c b/drivers/hwmon/sch5627.c
index 79b6dabe316..8ec6dfbccb6 100644
--- a/drivers/hwmon/sch5627.c
+++ b/drivers/hwmon/sch5627.c
@@ -1,5 +1,5 @@
/***************************************************************************
- * Copyright (C) 2010-2011 Hans de Goede <hdegoede@redhat.com> *
+ * Copyright (C) 2010-2012 Hans de Goede <hdegoede@redhat.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
@@ -79,6 +79,7 @@ static const char * const SCH5627_IN_LABELS[SCH5627_NO_IN] = {
struct sch5627_data {
unsigned short addr;
struct device *hwmon_dev;
+ struct sch56xx_watchdog_data *watchdog;
u8 control;
u8 temp_max[SCH5627_NO_TEMPS];
u8 temp_crit[SCH5627_NO_TEMPS];
@@ -453,6 +454,9 @@ static int sch5627_remove(struct platform_device *pdev)
{
struct sch5627_data *data = platform_get_drvdata(pdev);
+ if (data->watchdog)
+ sch56xx_watchdog_unregister(data->watchdog);
+
if (data->hwmon_dev)
hwmon_device_unregister(data->hwmon_dev);
@@ -574,6 +578,11 @@ static int __devinit sch5627_probe(struct platform_device *pdev)
goto error;
}
+ /* Note failing to register the watchdog is not a fatal error */
+ data->watchdog = sch56xx_watchdog_register(data->addr,
+ (build_code << 24) | (build_id << 8) | hwmon_rev,
+ &data->update_lock, 1);
+
return 0;
error:
diff --git a/drivers/hwmon/sch5636.c b/drivers/hwmon/sch5636.c
index 9d5236fb09b..906d4ed32d8 100644
--- a/drivers/hwmon/sch5636.c
+++ b/drivers/hwmon/sch5636.c
@@ -1,5 +1,5 @@
/***************************************************************************
- * Copyright (C) 2011 Hans de Goede <hdegoede@redhat.com> *
+ * Copyright (C) 2011-2012 Hans de Goede <hdegoede@redhat.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
@@ -67,6 +67,7 @@ static const u16 SCH5636_REG_FAN_VAL[SCH5636_NO_FANS] = {
struct sch5636_data {
unsigned short addr;
struct device *hwmon_dev;
+ struct sch56xx_watchdog_data *watchdog;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
@@ -384,6 +385,9 @@ static int sch5636_remove(struct platform_device *pdev)
struct sch5636_data *data = platform_get_drvdata(pdev);
int i;
+ if (data->watchdog)
+ sch56xx_watchdog_unregister(data->watchdog);
+
if (data->hwmon_dev)
hwmon_device_unregister(data->hwmon_dev);
@@ -505,6 +509,11 @@ static int __devinit sch5636_probe(struct platform_device *pdev)
goto error;
}
+ /* Note failing to register the watchdog is not a fatal error */
+ data->watchdog = sch56xx_watchdog_register(data->addr,
+ (revision[0] << 8) | revision[1],
+ &data->update_lock, 0);
+
return 0;
error:
diff --git a/drivers/hwmon/sch56xx-common.c b/drivers/hwmon/sch56xx-common.c
index fac32ee0b10..ce52fc57d41 100644
--- a/drivers/hwmon/sch56xx-common.c
+++ b/drivers/hwmon/sch56xx-common.c
@@ -1,5 +1,5 @@
/***************************************************************************
- * Copyright (C) 2010-2011 Hans de Goede <hdegoede@redhat.com> *
+ * Copyright (C) 2010-2012 Hans de Goede <hdegoede@redhat.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
@@ -26,8 +26,20 @@
#include <linux/io.h>
#include <linux/acpi.h>
#include <linux/delay.h>
+#include <linux/fs.h>
+#include <linux/watchdog.h>
+#include <linux/miscdevice.h>
+#include <linux/uaccess.h>
+#include <linux/kref.h>
+#include <linux/slab.h>
#include "sch56xx-common.h"
+/* Insmod parameters */
+static int nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
#define SIO_SCH56XX_LD_EM 0x0C /* Embedded uController Logical Dev */
#define SIO_UNLOCK_KEY 0x55 /* Key to enable Super-I/O */
#define SIO_LOCK_KEY 0xAA /* Key to disable Super-I/O */
@@ -40,13 +52,45 @@
#define SIO_SCH5627_ID 0xC6 /* Chipset ID */
#define SIO_SCH5636_ID 0xC7 /* Chipset ID */
-#define REGION_LENGTH 9
+#define REGION_LENGTH 10
#define SCH56XX_CMD_READ 0x02
#define SCH56XX_CMD_WRITE 0x03
+/* Watchdog registers */
+#define SCH56XX_REG_WDOG_PRESET 0x58B
+#define SCH56XX_REG_WDOG_CONTROL 0x58C
+#define SCH56XX_WDOG_TIME_BASE_SEC 0x01
+#define SCH56XX_REG_WDOG_OUTPUT_ENABLE 0x58E
+#define SCH56XX_WDOG_OUTPUT_ENABLE 0x02
+
+struct sch56xx_watchdog_data {
+ u16 addr;
+ u32 revision;
+ struct mutex *io_lock;
+ struct mutex watchdog_lock;
+ struct list_head list; /* member of the watchdog_data_list */
+ struct kref kref;
+ struct miscdevice watchdog_miscdev;
+ unsigned long watchdog_is_open;
+ char watchdog_name[10]; /* must be unique to avoid sysfs conflict */
+ char watchdog_expect_close;
+ u8 watchdog_preset;
+ u8 watchdog_control;
+ u8 watchdog_output_enable;
+};
+
static struct platform_device *sch56xx_pdev;
+/*
+ * Somewhat ugly :( global data pointer list with all sch56xx devices, so that
+ * we can find our device data as when using misc_register there is no other
+ * method to get to ones device data from the open fop.
+ */
+static LIST_HEAD(watchdog_data_list);
+/* Note this lock not only protect list access, but also data.kref access */
+static DEFINE_MUTEX(watchdog_data_mutex);
+
/* Super I/O functions */
static inline int superio_inb(int base, int reg)
{
@@ -224,6 +268,477 @@ int sch56xx_read_virtual_reg12(u16 addr, u16 msb_reg, u16 lsn_reg,
}
EXPORT_SYMBOL(sch56xx_read_virtual_reg12);
+/*
+ * Watchdog routines
+ */
+
+/*
+ * Release our data struct when the platform device has been released *and*
+ * all references to our watchdog device are released.
+ */
+static void sch56xx_watchdog_release_resources(struct kref *r)
+{
+ struct sch56xx_watchdog_data *data =
+ container_of(r, struct sch56xx_watchdog_data, kref);
+ kfree(data);
+}
+
+static int watchdog_set_timeout(struct sch56xx_watchdog_data *data,
+ int timeout)
+{
+ int ret, resolution;
+ u8 control;
+
+ /* 1 second or 60 second resolution? */
+ if (timeout <= 255)
+ resolution = 1;
+ else
+ resolution = 60;
+
+ if (timeout < resolution || timeout > (resolution * 255))
+ return -EINVAL;
+
+ mutex_lock(&data->watchdog_lock);
+ if (!data->addr) {
+ ret = -ENODEV;
+ goto leave;
+ }
+
+ if (resolution == 1)
+ control = data->watchdog_control | SCH56XX_WDOG_TIME_BASE_SEC;
+ else
+ control = data->watchdog_control & ~SCH56XX_WDOG_TIME_BASE_SEC;
+
+ if (data->watchdog_control != control) {
+ mutex_lock(data->io_lock);
+ ret = sch56xx_write_virtual_reg(data->addr,
+ SCH56XX_REG_WDOG_CONTROL,
+ control);
+ mutex_unlock(data->io_lock);
+ if (ret)
+ goto leave;
+
+ data->watchdog_control = control;
+ }
+
+ /*
+ * Remember new timeout value, but do not write as that (re)starts
+ * the watchdog countdown.
+ */
+ data->watchdog_preset = DIV_ROUND_UP(timeout, resolution);
+
+ ret = data->watchdog_preset * resolution;
+leave:
+ mutex_unlock(&data->watchdog_lock);
+ return ret;
+}
+
+static int watchdog_get_timeout(struct sch56xx_watchdog_data *data)
+{
+ int timeout;
+
+ mutex_lock(&data->watchdog_lock);
+ if (data->watchdog_control & SCH56XX_WDOG_TIME_BASE_SEC)
+ timeout = data->watchdog_preset;
+ else
+ timeout = data->watchdog_preset * 60;
+ mutex_unlock(&data->watchdog_lock);
+
+ return timeout;
+}
+
+static int watchdog_start(struct sch56xx_watchdog_data *data)
+{
+ int ret;
+ u8 val;
+
+ mutex_lock(&data->watchdog_lock);
+ if (!data->addr) {
+ ret = -ENODEV;
+ goto leave_unlock_watchdog;
+ }
+
+ /*
+ * The sch56xx's watchdog cannot really be started / stopped
+ * it is always running, but we can avoid the timer expiring
+ * from causing a system reset by clearing the output enable bit.
+ *
+ * The sch56xx's watchdog will set the watchdog event bit, bit 0
+ * of the second interrupt source register (at base-address + 9),
+ * when the timer expires.
+ *
+ * This will only cause a system reset if the 0-1 flank happens when
+ * output enable is true. Setting output enable after the flank will
+ * not cause a reset, nor will the timer expiring a second time.
+ * This means we must clear the watchdog event bit in case it is set.
+ *
+ * The timer may still be running (after a recent watchdog_stop) and
+ * mere milliseconds away from expiring, so the timer must be reset
+ * first!
+ */
+
+ mutex_lock(data->io_lock);
+
+ /* 1. Reset the watchdog countdown counter */
+ ret = sch56xx_write_virtual_reg(data->addr, SCH56XX_REG_WDOG_PRESET,
+ data->watchdog_preset);
+ if (ret)
+ goto leave;
+
+ /* 2. Enable output (if not already enabled) */
+ if (!(data->watchdog_output_enable & SCH56XX_WDOG_OUTPUT_ENABLE)) {
+ val = data->watchdog_output_enable |
+ SCH56XX_WDOG_OUTPUT_ENABLE;
+ ret = sch56xx_write_virtual_reg(data->addr,
+ SCH56XX_REG_WDOG_OUTPUT_ENABLE,
+ val);
+ if (ret)
+ goto leave;
+
+ data->watchdog_output_enable = val;
+ }
+
+ /* 3. Clear the watchdog event bit if set */
+ val = inb(data->addr + 9);
+ if (val & 0x01)
+ outb(0x01, data->addr + 9);
+
+leave:
+ mutex_unlock(data->io_lock);
+leave_unlock_watchdog:
+ mutex_unlock(&data->watchdog_lock);
+ return ret;
+}
+
+static int watchdog_trigger(struct sch56xx_watchdog_data *data)
+{
+ int ret;
+
+ mutex_lock(&data->watchdog_lock);
+ if (!data->addr) {
+ ret = -ENODEV;
+ goto leave;
+ }
+
+ /* Reset the watchdog countdown counter */
+ mutex_lock(data->io_lock);
+ ret = sch56xx_write_virtual_reg(data->addr, SCH56XX_REG_WDOG_PRESET,
+ data->watchdog_preset);
+ mutex_unlock(data->io_lock);
+leave:
+ mutex_unlock(&data->watchdog_lock);
+ return ret;
+}
+
+static int watchdog_stop_unlocked(struct sch56xx_watchdog_data *data)
+{
+ int ret = 0;
+ u8 val;
+
+ if (!data->addr)
+ return -ENODEV;
+
+ if (data->watchdog_output_enable & SCH56XX_WDOG_OUTPUT_ENABLE) {
+ val = data->watchdog_output_enable &
+ ~SCH56XX_WDOG_OUTPUT_ENABLE;
+ mutex_lock(data->io_lock);
+ ret = sch56xx_write_virtual_reg(data->addr,
+ SCH56XX_REG_WDOG_OUTPUT_ENABLE,
+ val);
+ mutex_unlock(data->io_lock);
+ if (ret)
+ return ret;
+
+ data->watchdog_output_enable = val;
+ }
+
+ return ret;
+}
+
+static int watchdog_stop(struct sch56xx_watchdog_data *data)
+{
+ int ret;
+
+ mutex_lock(&data->watchdog_lock);
+ ret = watchdog_stop_unlocked(data);
+ mutex_unlock(&data->watchdog_lock);
+
+ return ret;
+}
+
+static int watchdog_release(struct inode *inode, struct file *filp)
+{
+ struct sch56xx_watchdog_data *data = filp->private_data;
+
+ if (data->watchdog_expect_close) {
+ watchdog_stop(data);
+ data->watchdog_expect_close = 0;
+ } else {
+ watchdog_trigger(data);
+ pr_crit("unexpected close, not stopping watchdog!\n");
+ }
+
+ clear_bit(0, &data->watchdog_is_open);
+
+ mutex_lock(&watchdog_data_mutex);
+ kref_put(&data->kref, sch56xx_watchdog_release_resources);
+ mutex_unlock(&watchdog_data_mutex);
+
+ return 0;
+}
+
+static int watchdog_open(struct inode *inode, struct file *filp)
+{
+ struct sch56xx_watchdog_data *pos, *data = NULL;
+ int ret, watchdog_is_open;
+
+ /*
+ * We get called from drivers/char/misc.c with misc_mtx hold, and we
+ * call misc_register() from sch56xx_watchdog_probe() with
+ * watchdog_data_mutex hold, as misc_register() takes the misc_mtx
+ * lock, this is a possible deadlock, so we use mutex_trylock here.
+ */
+ if (!mutex_trylock(&watchdog_data_mutex))
+ return -ERESTARTSYS;
+ list_for_each_entry(pos, &watchdog_data_list, list) {
+ if (pos->watchdog_miscdev.minor == iminor(inode)) {
+ data = pos;
+ break;
+ }
+ }
+ /* Note we can never not have found data, so we don't check for this */
+ watchdog_is_open = test_and_set_bit(0, &data->watchdog_is_open);
+ if (!watchdog_is_open)
+ kref_get(&data->kref);
+ mutex_unlock(&watchdog_data_mutex);
+
+ if (watchdog_is_open)
+ return -EBUSY;
+
+ filp->private_data = data;
+
+ /* Start the watchdog */
+ ret = watchdog_start(data);
+ if (ret) {
+ watchdog_release(inode, filp);
+ return ret;
+ }
+
+ return nonseekable_open(inode, filp);
+}
+
+static ssize_t watchdog_write(struct file *filp, const char __user *buf,
+ size_t count, loff_t *offset)
+{
+ int ret;
+ struct sch56xx_watchdog_data *data = filp->private_data;
+
+ if (count) {
+ if (!nowayout) {
+ size_t i;
+
+ /* Clear it in case it was set with a previous write */
+ data->watchdog_expect_close = 0;
+
+ for (i = 0; i != count; i++) {
+ char c;
+ if (get_user(c, buf + i))
+ return -EFAULT;
+ if (c == 'V')
+ data->watchdog_expect_close = 1;
+ }
+ }
+ ret = watchdog_trigger(data);
+ if (ret)
+ return ret;
+ }
+ return count;
+}
+
+static long watchdog_ioctl(struct file *filp, unsigned int cmd,
+ unsigned long arg)
+{
+ struct watchdog_info ident = {
+ .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT,
+ .identity = "sch56xx watchdog"
+ };
+ int i, ret = 0;
+ struct sch56xx_watchdog_data *data = filp->private_data;
+
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ ident.firmware_version = data->revision;
+ if (!nowayout)
+ ident.options |= WDIOF_MAGICCLOSE;
+ if (copy_to_user((void __user *)arg, &ident, sizeof(ident)))
+ ret = -EFAULT;
+ break;
+
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ ret = put_user(0, (int __user *)arg);
+ break;
+
+ case WDIOC_KEEPALIVE:
+ ret = watchdog_trigger(data);
+ break;
+
+ case WDIOC_GETTIMEOUT:
+ i = watchdog_get_timeout(data);
+ ret = put_user(i, (int __user *)arg);
+ break;
+
+ case WDIOC_SETTIMEOUT:
+ if (get_user(i, (int __user *)arg)) {
+ ret = -EFAULT;
+ break;
+ }
+ ret = watchdog_set_timeout(data, i);
+ if (ret >= 0)
+ ret = put_user(ret, (int __user *)arg);
+ break;
+
+ case WDIOC_SETOPTIONS:
+ if (get_user(i, (int __user *)arg)) {
+ ret = -EFAULT;
+ break;
+ }
+
+ if (i & WDIOS_DISABLECARD)
+ ret = watchdog_stop(data);
+ else if (i & WDIOS_ENABLECARD)
+ ret = watchdog_trigger(data);
+ else
+ ret = -EINVAL;
+ break;
+
+ default:
+ ret = -ENOTTY;
+ }
+ return ret;
+}
+
+static const struct file_operations watchdog_fops = {
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .open = watchdog_open,
+ .release = watchdog_release,
+ .write = watchdog_write,
+ .unlocked_ioctl = watchdog_ioctl,
+};
+
+struct sch56xx_watchdog_data *sch56xx_watchdog_register(
+ u16 addr, u32 revision, struct mutex *io_lock, int check_enabled)
+{
+ struct sch56xx_watchdog_data *data;
+ int i, err, control, output_enable;
+ const int watchdog_minors[] = { WATCHDOG_MINOR, 212, 213, 214, 215 };
+
+ /* Cache the watchdog registers */
+ mutex_lock(io_lock);
+ control =
+ sch56xx_read_virtual_reg(addr, SCH56XX_REG_WDOG_CONTROL);
+ output_enable =
+ sch56xx_read_virtual_reg(addr, SCH56XX_REG_WDOG_OUTPUT_ENABLE);
+ mutex_unlock(io_lock);
+
+ if (control < 0)
+ return NULL;
+ if (output_enable < 0)
+ return NULL;
+ if (check_enabled && !(output_enable & SCH56XX_WDOG_OUTPUT_ENABLE)) {
+ pr_warn("Watchdog not enabled by BIOS, not registering\n");
+ return NULL;
+ }
+
+ data = kzalloc(sizeof(struct sch56xx_watchdog_data), GFP_KERNEL);
+ if (!data)
+ return NULL;
+
+ data->addr = addr;
+ data->revision = revision;
+ data->io_lock = io_lock;
+ data->watchdog_control = control;
+ data->watchdog_output_enable = output_enable;
+ mutex_init(&data->watchdog_lock);
+ INIT_LIST_HEAD(&data->list);
+ kref_init(&data->kref);
+
+ err = watchdog_set_timeout(data, 60);
+ if (err < 0)
+ goto error;
+
+ /*
+ * We take the data_mutex lock early so that watchdog_open() cannot
+ * run when misc_register() has completed, but we've not yet added
+ * our data to the watchdog_data_list.
+ */
+ mutex_lock(&watchdog_data_mutex);
+ for (i = 0; i < ARRAY_SIZE(watchdog_minors); i++) {
+ /* Register our watchdog part */
+ snprintf(data->watchdog_name, sizeof(data->watchdog_name),
+ "watchdog%c", (i == 0) ? '\0' : ('0' + i));
+ data->watchdog_miscdev.name = data->watchdog_name;
+ data->watchdog_miscdev.fops = &watchdog_fops;
+ data->watchdog_miscdev.minor = watchdog_minors[i];
+ err = misc_register(&data->watchdog_miscdev);
+ if (err == -EBUSY)
+ continue;
+ if (err)
+ break;
+
+ list_add(&data->list, &watchdog_data_list);
+ pr_info("Registered /dev/%s chardev major 10, minor: %d\n",
+ data->watchdog_name, watchdog_minors[i]);
+ break;
+ }
+ mutex_unlock(&watchdog_data_mutex);
+
+ if (err) {
+ pr_err("Registering watchdog chardev: %d\n", err);
+ goto error;
+ }
+ if (i == ARRAY_SIZE(watchdog_minors)) {
+ pr_warn("Couldn't register watchdog (no free minor)\n");
+ goto error;
+ }
+
+ return data;
+
+error:
+ kfree(data);
+ return NULL;
+}
+EXPORT_SYMBOL(sch56xx_watchdog_register);
+
+void sch56xx_watchdog_unregister(struct sch56xx_watchdog_data *data)
+{
+ mutex_lock(&watchdog_data_mutex);
+ misc_deregister(&data->watchdog_miscdev);
+ list_del(&data->list);
+ mutex_unlock(&watchdog_data_mutex);
+
+ mutex_lock(&data->watchdog_lock);
+ if (data->watchdog_is_open) {
+ pr_warn("platform device unregistered with watchdog "
+ "open! Stopping watchdog.\n");
+ watchdog_stop_unlocked(data);
+ }
+ /* Tell the wdog start/stop/trigger functions our dev is gone */
+ data->addr = 0;
+ data->io_lock = NULL;
+ mutex_unlock(&data->watchdog_lock);
+
+ mutex_lock(&watchdog_data_mutex);
+ kref_put(&data->kref, sch56xx_watchdog_release_resources);
+ mutex_unlock(&watchdog_data_mutex);
+}
+EXPORT_SYMBOL(sch56xx_watchdog_unregister);
+
+/*
+ * platform dev find, add and remove functions
+ */
+
static int __init sch56xx_find(int sioaddr, unsigned short *address,
const char **name)
{
diff --git a/drivers/hwmon/sch56xx-common.h b/drivers/hwmon/sch56xx-common.h
index d5eaf3b9ebf..7475086eb97 100644
--- a/drivers/hwmon/sch56xx-common.h
+++ b/drivers/hwmon/sch56xx-common.h
@@ -1,5 +1,5 @@
/***************************************************************************
- * Copyright (C) 2010-2011 Hans de Goede <hdegoede@redhat.com> *
+ * Copyright (C) 2010-2012 Hans de Goede <hdegoede@redhat.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
@@ -17,8 +17,16 @@
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+#include <linux/mutex.h>
+
+struct sch56xx_watchdog_data;
+
int sch56xx_read_virtual_reg(u16 addr, u16 reg);
int sch56xx_write_virtual_reg(u16 addr, u16 reg, u8 val);
int sch56xx_read_virtual_reg16(u16 addr, u16 reg);
int sch56xx_read_virtual_reg12(u16 addr, u16 msb_reg, u16 lsn_reg,
int high_nibble);
+
+struct sch56xx_watchdog_data *sch56xx_watchdog_register(
+ u16 addr, u32 revision, struct mutex *io_lock, int check_enabled);
+void sch56xx_watchdog_unregister(struct sch56xx_watchdog_data *data);
diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c
index 91fdd1fe18b..8b011d01662 100644
--- a/drivers/hwmon/sht15.c
+++ b/drivers/hwmon/sht15.c
@@ -806,7 +806,7 @@ static void sht15_bh_read_data(struct work_struct *work_s)
*/
atomic_set(&data->interrupt_handled, 0);
enable_irq(gpio_to_irq(data->pdata->gpio_data));
- /* If still not occurred or another handler has been scheduled */
+ /* If still not occurred or another handler was scheduled */
if (gpio_get_value(data->pdata->gpio_data)
|| atomic_read(&data->interrupt_handled))
return;
diff --git a/drivers/hwmon/sht21.c b/drivers/hwmon/sht21.c
index 15398780cc0..6c2dede4b8e 100644
--- a/drivers/hwmon/sht21.c
+++ b/drivers/hwmon/sht21.c
@@ -261,28 +261,7 @@ static struct i2c_driver sht21_driver = {
.id_table = sht21_id,
};
-/**
- * sht21_init() - initialize driver
- *
- * Called when kernel is booted or module is inserted.
- * Returns 0 on success.
- */
-static int __init sht21_init(void)
-{
- return i2c_add_driver(&sht21_driver);
-}
-module_init(sht21_init);
-
-/**
- * sht21_init() - clean up driver
- *
- * Called when module is removed.
- */
-static void __exit sht21_exit(void)
-{
- i2c_del_driver(&sht21_driver);
-}
-module_exit(sht21_exit);
+module_i2c_driver(sht21_driver);
MODULE_AUTHOR("Urs Fleisch <urs.fleisch@sensirion.com>");
MODULE_DESCRIPTION("Sensirion SHT21 humidity and temperature sensor driver");
diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c
index 47d7ce9af8f..6c4d8eb9b7c 100644
--- a/drivers/hwmon/sis5595.c
+++ b/drivers/hwmon/sis5595.c
@@ -1,54 +1,54 @@
/*
- sis5595.c - Part of lm_sensors, Linux kernel modules
- for hardware monitoring
-
- Copyright (C) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>,
- Kyösti Mälkki <kmalkki@cc.hut.fi>, and
- Mark D. Studebaker <mdsxyz123@yahoo.com>
- Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
- the help of Jean Delvare <khali@linux-fr.org>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * sis5595.c - Part of lm_sensors, Linux kernel modules
+ * for hardware monitoring
+ *
+ * Copyright (C) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>,
+ * Kyösti Mälkki <kmalkki@cc.hut.fi>, and
+ * Mark D. Studebaker <mdsxyz123@yahoo.com>
+ * Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
+ * the help of Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
/*
- SiS southbridge has a LM78-like chip integrated on the same IC.
- This driver is a customized copy of lm78.c
-
- Supports following revisions:
- Version PCI ID PCI Revision
- 1 1039/0008 AF or less
- 2 1039/0008 B0 or greater
-
- Note: these chips contain a 0008 device which is incompatible with the
- 5595. We recognize these by the presence of the listed
- "blacklist" PCI ID and refuse to load.
-
- NOT SUPPORTED PCI ID BLACKLIST PCI ID
- 540 0008 0540
- 550 0008 0550
- 5513 0008 5511
- 5581 0008 5597
- 5582 0008 5597
- 5597 0008 5597
- 5598 0008 5597/5598
- 630 0008 0630
- 645 0008 0645
- 730 0008 0730
- 735 0008 0735
-*/
+ * SiS southbridge has a LM78-like chip integrated on the same IC.
+ * This driver is a customized copy of lm78.c
+ *
+ * Supports following revisions:
+ * Version PCI ID PCI Revision
+ * 1 1039/0008 AF or less
+ * 2 1039/0008 B0 or greater
+ *
+ * Note: these chips contain a 0008 device which is incompatible with the
+ * 5595. We recognize these by the presence of the listed
+ * "blacklist" PCI ID and refuse to load.
+ *
+ * NOT SUPPORTED PCI ID BLACKLIST PCI ID
+ * 540 0008 0540
+ * 550 0008 0550
+ * 5513 0008 5511
+ * 5581 0008 5597
+ * 5582 0008 5597
+ * 5597 0008 5597
+ * 5598 0008 5597/5598
+ * 630 0008 0630
+ * 645 0008 0645
+ * 730 0008 0730
+ * 735 0008 0735
+ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -68,8 +68,10 @@
#include <linux/io.h>
-/* If force_addr is set to anything different from 0, we forcibly enable
- the device at the given address. */
+/*
+ * If force_addr is set to anything different from 0, we forcibly enable
+ * the device at the given address.
+ */
static u16 force_addr;
module_param(force_addr, ushort, 0);
MODULE_PARM_DESC(force_addr,
@@ -98,30 +100,36 @@ static struct platform_device *pdev;
#define SIS5595_REG_FAN_MIN(nr) (0x3b + (nr))
#define SIS5595_REG_FAN(nr) (0x28 + (nr))
-/* On the first version of the chip, the temp registers are separate.
- On the second version,
- TEMP pin is shared with IN4, configured in PCI register 0x7A.
- The registers are the same as well.
- OVER and HYST are really MAX and MIN. */
+/*
+ * On the first version of the chip, the temp registers are separate.
+ * On the second version,
+ * TEMP pin is shared with IN4, configured in PCI register 0x7A.
+ * The registers are the same as well.
+ * OVER and HYST are really MAX and MIN.
+ */
#define REV2MIN 0xb0
-#define SIS5595_REG_TEMP (( data->revision) >= REV2MIN) ? \
- SIS5595_REG_IN(4) : 0x27
-#define SIS5595_REG_TEMP_OVER (( data->revision) >= REV2MIN) ? \
- SIS5595_REG_IN_MAX(4) : 0x39
-#define SIS5595_REG_TEMP_HYST (( data->revision) >= REV2MIN) ? \
- SIS5595_REG_IN_MIN(4) : 0x3a
+#define SIS5595_REG_TEMP (((data->revision) >= REV2MIN) ? \
+ SIS5595_REG_IN(4) : 0x27)
+#define SIS5595_REG_TEMP_OVER (((data->revision) >= REV2MIN) ? \
+ SIS5595_REG_IN_MAX(4) : 0x39)
+#define SIS5595_REG_TEMP_HYST (((data->revision) >= REV2MIN) ? \
+ SIS5595_REG_IN_MIN(4) : 0x3a)
#define SIS5595_REG_CONFIG 0x40
#define SIS5595_REG_ALARM1 0x41
#define SIS5595_REG_ALARM2 0x42
#define SIS5595_REG_FANDIV 0x47
-/* Conversions. Limit checking is only done on the TO_REG
- variants. */
+/*
+ * Conversions. Limit checking is only done on the TO_REG
+ * variants.
+ */
-/* IN: mV, (0V to 4.08V)
- REG: 16mV/bit */
+/*
+ * IN: mV, (0V to 4.08V)
+ * REG: 16mV/bit
+ */
static inline u8 IN_TO_REG(unsigned long val)
{
unsigned long nval = SENSORS_LIMIT(val, 0, 4080);
@@ -138,11 +146,13 @@ static inline u8 FAN_TO_REG(long rpm, int div)
static inline int FAN_FROM_REG(u8 val, int div)
{
- return val==0 ? -1 : val==255 ? 0 : 1350000/(val*div);
+ return val == 0 ? -1 : val == 255 ? 0 : 1350000 / (val * div);
}
-/* TEMP: mC (-54.12C to +157.53C)
- REG: 0.83C/bit + 52.12, two's complement */
+/*
+ * TEMP: mC (-54.12C to +157.53C)
+ * REG: 0.83C/bit + 52.12, two's complement
+ */
static inline int TEMP_FROM_REG(s8 val)
{
return val * 830 + 52120;
@@ -150,19 +160,23 @@ static inline int TEMP_FROM_REG(s8 val)
static inline s8 TEMP_TO_REG(int val)
{
int nval = SENSORS_LIMIT(val, -54120, 157530) ;
- return nval<0 ? (nval-5212-415)/830 : (nval-5212+415)/830;
+ return nval < 0 ? (nval - 5212 - 415) / 830 : (nval - 5212 + 415) / 830;
}
-/* FAN DIV: 1, 2, 4, or 8 (defaults to 2)
- REG: 0, 1, 2, or 3 (respectively) (defaults to 1) */
+/*
+ * FAN DIV: 1, 2, 4, or 8 (defaults to 2)
+ * REG: 0, 1, 2, or 3 (respectively) (defaults to 1)
+ */
static inline u8 DIV_TO_REG(int val)
{
- return val==8 ? 3 : val==4 ? 2 : val==1 ? 0 : 1;
+ return val == 8 ? 3 : val == 4 ? 2 : val == 1 ? 0 : 1;
}
#define DIV_FROM_REG(val) (1 << (val))
-/* For each registered chip, we need to keep some data in memory.
- The structure is dynamically allocated. */
+/*
+ * For each registered chip, we need to keep some data in memory.
+ * The structure is dynamically allocated.
+ */
struct sis5595_data {
unsigned short addr;
const char *name;
@@ -240,7 +254,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *da,
struct sis5595_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index;
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_min[nr] = IN_TO_REG(val);
@@ -255,7 +274,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *da,
struct sis5595_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index;
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_max[nr] = IN_TO_REG(val);
@@ -279,22 +303,30 @@ show_in_offset(3);
show_in_offset(4);
/* Temperature */
-static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct sis5595_data *data = sis5595_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp));
}
-static ssize_t show_temp_over(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_over(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct sis5595_data *data = sis5595_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over));
}
-static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct sis5595_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_over = TEMP_TO_REG(val);
@@ -303,16 +335,23 @@ static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr,
return count;
}
-static ssize_t show_temp_hyst(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_hyst(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct sis5595_data *data = sis5595_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_hyst));
}
-static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct sis5595_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_hyst = TEMP_TO_REG(val);
@@ -335,7 +374,7 @@ static ssize_t show_fan(struct device *dev, struct device_attribute *da,
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index;
return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
- DIV_FROM_REG(data->fan_div[nr])) );
+ DIV_FROM_REG(data->fan_div[nr])));
}
static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
@@ -344,8 +383,8 @@ static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
struct sis5595_data *data = sis5595_update_device(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index;
- return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr],
- DIV_FROM_REG(data->fan_div[nr])) );
+ return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
+ DIV_FROM_REG(data->fan_div[nr])));
}
static ssize_t set_fan_min(struct device *dev, struct device_attribute *da,
@@ -354,7 +393,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *da,
struct sis5595_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index;
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -369,13 +413,15 @@ static ssize_t show_fan_div(struct device *dev, struct device_attribute *da,
struct sis5595_data *data = sis5595_update_device(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index;
- return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]) );
+ return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
}
-/* Note: we save and restore the fan minimum here, because its value is
- determined in part by the fan divisor. This follows the principle of
- least surprise; the user doesn't expect the fan minimum to change just
- because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor. This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
@@ -383,8 +429,13 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index;
unsigned long min;
- unsigned long val = simple_strtoul(buf, NULL, 10);
int reg;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
min = FAN_FROM_REG(data->fan_min[nr],
@@ -392,17 +443,25 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
reg = sis5595_read_value(data, SIS5595_REG_FANDIV);
switch (val) {
- case 1: data->fan_div[nr] = 0; break;
- case 2: data->fan_div[nr] = 1; break;
- case 4: data->fan_div[nr] = 2; break;
- case 8: data->fan_div[nr] = 3; break;
+ case 1:
+ data->fan_div[nr] = 0;
+ break;
+ case 2:
+ data->fan_div[nr] = 1;
+ break;
+ case 4:
+ data->fan_div[nr] = 2;
+ break;
+ case 8:
+ data->fan_div[nr] = 3;
+ break;
default:
dev_err(dev, "fan_div value %ld not "
"supported. Choose one of 1, 2, 4 or 8!\n", val);
mutex_unlock(&data->update_lock);
return -EINVAL;
}
-
+
switch (nr) {
case 0:
reg = (reg & 0xcf) | (data->fan_div[nr] << 4);
@@ -431,7 +490,8 @@ show_fan_offset(1);
show_fan_offset(2);
/* Alarms */
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct sis5595_data *data = sis5595_update_device(dev);
return sprintf(buf, "%d\n", data->alarms);
@@ -521,7 +581,7 @@ static struct attribute *sis5595_attributes_temp1[] = {
static const struct attribute_group sis5595_group_temp1 = {
.attrs = sis5595_attributes_temp1,
};
-
+
/* This is called when the module is loaded */
static int __devinit sis5595_probe(struct platform_device *pdev)
{
@@ -539,7 +599,8 @@ static int __devinit sis5595_probe(struct platform_device *pdev)
goto exit;
}
- if (!(data = kzalloc(sizeof(struct sis5595_data), GFP_KERNEL))) {
+ data = kzalloc(sizeof(struct sis5595_data), GFP_KERNEL);
+ if (!data) {
err = -ENOMEM;
goto exit_release;
}
@@ -550,7 +611,9 @@ static int __devinit sis5595_probe(struct platform_device *pdev)
data->name = "sis5595";
platform_set_drvdata(pdev, data);
- /* Check revision and pin registers to determine whether 4 or 5 voltages */
+ /*
+ * Check revision and pin registers to determine whether 4 or 5 voltages
+ */
data->revision = s_bridge->revision;
/* 4 voltages, 1 temp */
data->maxins = 3;
@@ -560,7 +623,7 @@ static int __devinit sis5595_probe(struct platform_device *pdev)
/* 5 voltages, no temps */
data->maxins = 4;
}
-
+
/* Initialize the SIS5595 chip */
sis5595_init_device(data);
@@ -571,15 +634,16 @@ static int __devinit sis5595_probe(struct platform_device *pdev)
}
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group)))
+ err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group);
+ if (err)
goto exit_free;
if (data->maxins == 4) {
- if ((err = sysfs_create_group(&pdev->dev.kobj,
- &sis5595_group_in4)))
+ err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group_in4);
+ if (err)
goto exit_remove_files;
} else {
- if ((err = sysfs_create_group(&pdev->dev.kobj,
- &sis5595_group_temp1)))
+ err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group_temp1);
+ if (err)
goto exit_remove_files;
}
@@ -699,7 +763,7 @@ static struct sis5595_data *sis5595_update_device(struct device *dev)
return data;
}
-static const struct pci_device_id sis5595_pci_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(sis5595_pci_ids) = {
{ PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503) },
{ 0, }
};
@@ -713,9 +777,11 @@ static int blacklist[] __devinitdata = {
PCI_DEVICE_ID_SI_645,
PCI_DEVICE_ID_SI_730,
PCI_DEVICE_ID_SI_735,
- PCI_DEVICE_ID_SI_5511, /* 5513 chip has the 0008 device but
- that ID shows up in other chips so we
- use the 5511 ID for recognition */
+ PCI_DEVICE_ID_SI_5511, /*
+ * 5513 chip has the 0008 device but
+ * that ID shows up in other chips so we
+ * use the 5511 ID for recognition
+ */
PCI_DEVICE_ID_SI_5597,
PCI_DEVICE_ID_SI_5598,
0 };
@@ -770,13 +836,16 @@ static int __devinit sis5595_pci_probe(struct pci_dev *dev,
for (i = blacklist; *i != 0; i++) {
struct pci_dev *d;
- if ((d = pci_get_device(PCI_VENDOR_ID_SI, *i, NULL))) {
- dev_err(&d->dev, "Looked for SIS5595 but found unsupported device %.4x\n", *i);
+ d = pci_get_device(PCI_VENDOR_ID_SI, *i, NULL);
+ if (d) {
+ dev_err(&d->dev,
+ "Looked for SIS5595 but found unsupported device %.4x\n",
+ *i);
pci_dev_put(d);
return -ENODEV;
}
}
-
+
force_addr &= ~(SIS5595_EXTENT - 1);
if (force_addr) {
dev_warn(&dev->dev, "Forcing ISA address 0x%x\n", force_addr);
@@ -788,10 +857,11 @@ static int __devinit sis5595_pci_probe(struct pci_dev *dev,
dev_err(&dev->dev, "Failed to read ISA address\n");
return -ENODEV;
}
-
+
address &= ~(SIS5595_EXTENT - 1);
if (!address) {
- dev_err(&dev->dev, "Base address not set - upgrade BIOS or use force_addr=0xaddr\n");
+ dev_err(&dev->dev,
+ "Base address not set - upgrade BIOS or use force_addr=0xaddr\n");
return -ENODEV;
}
if (force_addr && address != force_addr) {
@@ -828,7 +898,8 @@ static int __devinit sis5595_pci_probe(struct pci_dev *dev,
if (sis5595_device_add(address))
goto exit_unregister;
- /* Always return failure here. This is to allow other drivers to bind
+ /*
+ * Always return failure here. This is to allow other drivers to bind
* to this pci device. We don't really want to have control over the
* pci device, we only wanted to read as few register values from it.
*/
diff --git a/drivers/hwmon/smm665.c b/drivers/hwmon/smm665.c
index 411638181fd..cbc51fb30db 100644
--- a/drivers/hwmon/smm665.c
+++ b/drivers/hwmon/smm665.c
@@ -124,9 +124,9 @@ enum chips { smm465, smm665, smm665c, smm764, smm766 };
#define SMM665_AIN_ADC_TO_VOLTS(adc) ((adc) * vref / 512)
/* Temp Sensor */
-#define SMM665_TEMP_ADC_TO_CELSIUS(adc) ((adc) <= 511) ? \
+#define SMM665_TEMP_ADC_TO_CELSIUS(adc) (((adc) <= 511) ? \
((int)(adc) * 1000 / 4) : \
- (((int)(adc) - 0x400) * 1000 / 4)
+ (((int)(adc) - 0x400) * 1000 / 4))
#define SMM665_NUM_ADC 11
@@ -376,7 +376,7 @@ static ssize_t smm665_show_input(struct device *dev,
}
#define SMM665_SHOW(what) \
- static ssize_t smm665_show_##what(struct device *dev, \
+static ssize_t smm665_show_##what(struct device *dev, \
struct device_attribute *da, char *buf) \
{ \
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
@@ -389,7 +389,8 @@ SMM665_SHOW(max);
SMM665_SHOW(lcrit);
SMM665_SHOW(crit);
-/* These macros are used below in constructing device attribute objects
+/*
+ * These macros are used below in constructing device attribute objects
* for use with sysfs_create_group() to make a sysfs device file
* for each register.
*/
@@ -583,10 +584,9 @@ static int smm665_probe(struct i2c_client *client,
if (i2c_smbus_read_byte_data(client, SMM665_ADOC_ENABLE) < 0)
return -ENODEV;
- ret = -ENOMEM;
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
if (!data)
- goto out_return;
+ return -ENOMEM;
i2c_set_clientdata(client, data);
mutex_init(&data->update_lock);
@@ -595,7 +595,7 @@ static int smm665_probe(struct i2c_client *client,
data->cmdreg = i2c_new_dummy(adapter, (client->addr & ~SMM665_REGMASK)
| SMM665_CMDREG_BASE);
if (!data->cmdreg)
- goto out_kfree;
+ return -ENOMEM;
switch (data->type) {
case smm465:
@@ -678,9 +678,6 @@ out_remove_group:
sysfs_remove_group(&client->dev.kobj, &smm665_group);
out_unregister:
i2c_unregister_device(data->cmdreg);
-out_kfree:
- kfree(data);
-out_return:
return ret;
}
@@ -692,8 +689,6 @@ static int smm665_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &smm665_group);
- kfree(data);
-
return 0;
}
@@ -718,19 +713,8 @@ static struct i2c_driver smm665_driver = {
.id_table = smm665_id,
};
-static int __init smm665_init(void)
-{
- return i2c_add_driver(&smm665_driver);
-}
-
-static void __exit smm665_exit(void)
-{
- i2c_del_driver(&smm665_driver);
-}
+module_i2c_driver(smm665_driver);
MODULE_AUTHOR("Guenter Roeck");
MODULE_DESCRIPTION("SMM665 driver");
MODULE_LICENSE("GPL");
-
-module_init(smm665_init);
-module_exit(smm665_exit);
diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c
index 65c88ff5645..d3b778da3f8 100644
--- a/drivers/hwmon/smsc47b397.c
+++ b/drivers/hwmon/smsc47b397.c
@@ -1,30 +1,30 @@
/*
- smsc47b397.c - Part of lm_sensors, Linux kernel modules
- for hardware monitoring
-
- Supports the SMSC LPC47B397-NC Super-I/O chip.
-
- Author/Maintainer: Mark M. Hoffman <mhoffman@lightlink.com>
- Copyright (C) 2004 Utilitek Systems, Inc.
-
- derived in part from smsc47m1.c:
- Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
- Copyright (C) 2004 Jean Delvare <khali@linux-fr.org>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * smsc47b397.c - Part of lm_sensors, Linux kernel modules
+ * for hardware monitoring
+ *
+ * Supports the SMSC LPC47B397-NC Super-I/O chip.
+ *
+ * Author/Maintainer: Mark M. Hoffman <mhoffman@lightlink.com>
+ * Copyright (C) 2004 Utilitek Systems, Inc.
+ *
+ * derived in part from smsc47m1.c:
+ * Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
+ * Copyright (C) 2004 Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -157,8 +157,10 @@ static struct smsc47b397_data *smsc47b397_update_device(struct device *dev)
return data;
}
-/* TEMP: 0.001C/bit (-128C to +127C)
- REG: 1C/bit, two's complement */
+/*
+ * TEMP: 0.001C/bit (-128C to +127C)
+ * REG: 1C/bit, two's complement
+ */
static int temp_from_reg(u8 reg)
{
return (s8)reg * 1000;
@@ -177,8 +179,10 @@ static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3);
-/* FAN: 1 RPM/bit
- REG: count of 90kHz pulses / revolution */
+/*
+ * FAN: 1 RPM/bit
+ * REG: count of 90kHz pulses / revolution
+ */
static int fan_from_reg(u16 reg)
{
if (reg == 0 || reg == 0xffff)
diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c
index f44a89aac38..c590c146979 100644
--- a/drivers/hwmon/smsc47m1.c
+++ b/drivers/hwmon/smsc47m1.c
@@ -1,30 +1,30 @@
/*
- smsc47m1.c - Part of lm_sensors, Linux kernel modules
- for hardware monitoring
-
- Supports the SMSC LPC47B27x, LPC47M10x, LPC47M112, LPC47M13x,
- LPC47M14x, LPC47M15x, LPC47M192, LPC47M292 and LPC47M997
- Super-I/O chips.
-
- Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
- Copyright (C) 2004-2007 Jean Delvare <khali@linux-fr.org>
- Ported to Linux 2.6 by Gabriele Gorla <gorlik@yahoo.com>
- and Jean Delvare
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * smsc47m1.c - Part of lm_sensors, Linux kernel modules
+ * for hardware monitoring
+ *
+ * Supports the SMSC LPC47B27x, LPC47M10x, LPC47M112, LPC47M13x,
+ * LPC47M14x, LPC47M15x, LPC47M192, LPC47M292 and LPC47M997
+ * Super-I/O chips.
+ *
+ * Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
+ * Copyright (C) 2004-2007 Jean Delvare <khali@linux-fr.org>
+ * Ported to Linux 2.6 by Gabriele Gorla <gorlik@yahoo.com>
+ * and Jean Delvare
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -53,8 +53,8 @@ enum chips { smsc47m1, smsc47m2 };
/* Super-I/0 registers and commands */
-#define REG 0x2e /* The register to read/write */
-#define VAL 0x2f /* The value to read/write */
+#define REG 0x2e /* The register to read/write */
+#define VAL 0x2f /* The value to read/write */
static inline void
superio_outb(int reg, int val)
@@ -111,10 +111,11 @@ static const u8 SMSC47M1_REG_PWM[3] = { 0x56, 0x57, 0x69 };
#define SMSC47M2_REG_PPIN3 0x2c
#define SMSC47M2_REG_FANDIV3 0x6a
-#define MIN_FROM_REG(reg,div) ((reg)>=192 ? 0 : \
- 983040/((192-(reg))*(div)))
-#define FAN_FROM_REG(reg,div,preload) ((reg)<=(preload) || (reg)==255 ? 0 : \
- 983040/(((reg)-(preload))*(div)))
+#define MIN_FROM_REG(reg, div) ((reg) >= 192 ? 0 : \
+ 983040 / ((192 - (reg)) * (div)))
+#define FAN_FROM_REG(reg, div, preload) ((reg) <= (preload) || (reg) == 255 ? \
+ 0 : \
+ 983040 / (((reg) - (preload)) * (div)))
#define DIV_FROM_REG(reg) (1 << (reg))
#define PWM_FROM_REG(reg) (((reg) & 0x7E) << 1)
#define PWM_EN_FROM_REG(reg) ((~(reg)) & 0x01)
@@ -171,10 +172,12 @@ static ssize_t get_fan(struct device *dev, struct device_attribute
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct smsc47m1_data *data = smsc47m1_update_device(dev, 0);
int nr = attr->index;
- /* This chip (stupidly) stops monitoring fan speed if PWM is
- enabled and duty cycle is 0%. This is fine if the monitoring
- and control concern the same fan, but troublesome if they are
- not (which could as well happen). */
+ /*
+ * This chip (stupidly) stops monitoring fan speed if PWM is
+ * enabled and duty cycle is 0%. This is fine if the monitoring
+ * and control concern the same fan, but troublesome if they are
+ * not (which could as well happen).
+ */
int rpm = (data->pwm[nr] & 0x7F) == 0x00 ? 0 :
FAN_FROM_REG(data->fan[nr],
DIV_FROM_REG(data->fan_div[nr]),
@@ -238,7 +241,13 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct smsc47m1_data *data = dev_get_drvdata(dev);
int nr = attr->index;
- long rpmdiv, val = simple_strtol(buf, NULL, 10);
+ long rpmdiv;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
rpmdiv = val * DIV_FROM_REG(data->fan_div[nr]);
@@ -256,28 +265,44 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute
return count;
}
-/* Note: we save and restore the fan minimum here, because its value is
- determined in part by the fan clock divider. This follows the principle
- of least surprise; the user doesn't expect the fan minimum to change just
- because the divider changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan clock divider. This follows the principle
+ * of least surprise; the user doesn't expect the fan minimum to change just
+ * because the divider changed.
+ */
static ssize_t set_fan_div(struct device *dev, struct device_attribute
*devattr, const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct smsc47m1_data *data = dev_get_drvdata(dev);
int nr = attr->index;
- long new_div = simple_strtol(buf, NULL, 10), tmp;
+ long new_div;
+ int err;
+ long tmp;
u8 old_div = DIV_FROM_REG(data->fan_div[nr]);
+ err = kstrtol(buf, 10, &new_div);
+ if (err)
+ return err;
+
if (new_div == old_div) /* No change */
return count;
mutex_lock(&data->update_lock);
switch (new_div) {
- case 1: data->fan_div[nr] = 0; break;
- case 2: data->fan_div[nr] = 1; break;
- case 4: data->fan_div[nr] = 2; break;
- case 8: data->fan_div[nr] = 3; break;
+ case 1:
+ data->fan_div[nr] = 0;
+ break;
+ case 2:
+ data->fan_div[nr] = 1;
+ break;
+ case 4:
+ data->fan_div[nr] = 2;
+ break;
+ case 8:
+ data->fan_div[nr] = 3;
+ break;
default:
mutex_unlock(&data->update_lock);
return -EINVAL;
@@ -315,7 +340,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct smsc47m1_data *data = dev_get_drvdata(dev);
int nr = attr->index;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
if (val < 0 || val > 255)
return -EINVAL;
@@ -336,9 +366,14 @@ static ssize_t set_pwm_en(struct device *dev, struct device_attribute
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct smsc47m1_data *data = dev_get_drvdata(dev);
int nr = attr->index;
- long val = simple_strtol(buf, NULL, 10);
-
- if (val != 0 && val != 1)
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
+ if (val > 1)
return -EINVAL;
mutex_lock(&data->update_lock);
@@ -380,30 +415,73 @@ static ssize_t show_name(struct device *dev, struct device_attribute
}
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
-/* Almost all sysfs files may or may not be created depending on the chip
- setup so we create them individually. It is still convenient to define a
- group to remove them all at once. */
-static struct attribute *smsc47m1_attributes[] = {
+static struct attribute *smsc47m1_attributes_fan1[] = {
&sensor_dev_attr_fan1_input.dev_attr.attr,
&sensor_dev_attr_fan1_min.dev_attr.attr,
&sensor_dev_attr_fan1_div.dev_attr.attr,
&sensor_dev_attr_fan1_alarm.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group smsc47m1_group_fan1 = {
+ .attrs = smsc47m1_attributes_fan1,
+};
+
+static struct attribute *smsc47m1_attributes_fan2[] = {
&sensor_dev_attr_fan2_input.dev_attr.attr,
&sensor_dev_attr_fan2_min.dev_attr.attr,
&sensor_dev_attr_fan2_div.dev_attr.attr,
&sensor_dev_attr_fan2_alarm.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group smsc47m1_group_fan2 = {
+ .attrs = smsc47m1_attributes_fan2,
+};
+
+static struct attribute *smsc47m1_attributes_fan3[] = {
&sensor_dev_attr_fan3_input.dev_attr.attr,
&sensor_dev_attr_fan3_min.dev_attr.attr,
&sensor_dev_attr_fan3_div.dev_attr.attr,
&sensor_dev_attr_fan3_alarm.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group smsc47m1_group_fan3 = {
+ .attrs = smsc47m1_attributes_fan3,
+};
+static struct attribute *smsc47m1_attributes_pwm1[] = {
&sensor_dev_attr_pwm1.dev_attr.attr,
&sensor_dev_attr_pwm1_enable.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group smsc47m1_group_pwm1 = {
+ .attrs = smsc47m1_attributes_pwm1,
+};
+
+static struct attribute *smsc47m1_attributes_pwm2[] = {
&sensor_dev_attr_pwm2.dev_attr.attr,
&sensor_dev_attr_pwm2_enable.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group smsc47m1_group_pwm2 = {
+ .attrs = smsc47m1_attributes_pwm2,
+};
+
+static struct attribute *smsc47m1_attributes_pwm3[] = {
&sensor_dev_attr_pwm3.dev_attr.attr,
&sensor_dev_attr_pwm3_enable.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group smsc47m1_group_pwm3 = {
+ .attrs = smsc47m1_attributes_pwm3,
+};
+static struct attribute *smsc47m1_attributes[] = {
&dev_attr_alarms.attr,
&dev_attr_name.attr,
NULL
@@ -476,8 +554,10 @@ static int __init smsc47m1_find(unsigned short *addr,
return -ENODEV;
}
- /* Enable only if address is set (needed at least on the
- * Compaq Presario S4000NX) */
+ /*
+ * Enable only if address is set (needed at least on the
+ * Compaq Presario S4000NX)
+ */
sio_data->activate = superio_inb(SUPERIO_REG_ACT);
if ((sio_data->activate & 0x01) == 0) {
pr_info("Enabling device\n");
@@ -583,6 +663,17 @@ static int smsc47m1_handle_resources(unsigned short address, enum chips type,
return 0;
}
+static void smsc47m1_remove_files(struct device *dev)
+{
+ sysfs_remove_group(&dev->kobj, &smsc47m1_group);
+ sysfs_remove_group(&dev->kobj, &smsc47m1_group_fan1);
+ sysfs_remove_group(&dev->kobj, &smsc47m1_group_fan2);
+ sysfs_remove_group(&dev->kobj, &smsc47m1_group_fan3);
+ sysfs_remove_group(&dev->kobj, &smsc47m1_group_pwm1);
+ sysfs_remove_group(&dev->kobj, &smsc47m1_group_pwm2);
+ sysfs_remove_group(&dev->kobj, &smsc47m1_group_pwm3);
+}
+
static int __init smsc47m1_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -592,7 +683,7 @@ static int __init smsc47m1_probe(struct platform_device *pdev)
int err;
int fan1, fan2, fan3, pwm1, pwm2, pwm3;
- static const char *names[] = {
+ static const char * const names[] = {
"smsc47m1",
"smsc47m2",
};
@@ -603,7 +694,8 @@ static int __init smsc47m1_probe(struct platform_device *pdev)
if (err < 0)
return err;
- if (!(data = kzalloc(sizeof(struct smsc47m1_data), GFP_KERNEL))) {
+ data = kzalloc(sizeof(struct smsc47m1_data), GFP_KERNEL);
+ if (!data) {
err = -ENOMEM;
goto error_release;
}
@@ -614,8 +706,10 @@ static int __init smsc47m1_probe(struct platform_device *pdev)
mutex_init(&data->update_lock);
platform_set_drvdata(pdev, data);
- /* If no function is properly configured, there's no point in
- actually registering the chip. */
+ /*
+ * If no function is properly configured, there's no point in
+ * actually registering the chip.
+ */
pwm1 = (smsc47m1_read_value(data, SMSC47M1_REG_PPIN(0)) & 0x05)
== 0x04;
pwm2 = (smsc47m1_read_value(data, SMSC47M1_REG_PPIN(1)) & 0x05)
@@ -643,84 +737,67 @@ static int __init smsc47m1_probe(struct platform_device *pdev)
goto error_free;
}
- /* Some values (fan min, clock dividers, pwm registers) may be
- needed before any update is triggered, so we better read them
- at least once here. We don't usually do it that way, but in
- this particular case, manually reading 5 registers out of 8
- doesn't make much sense and we're better using the existing
- function. */
+ /*
+ * Some values (fan min, clock dividers, pwm registers) may be
+ * needed before any update is triggered, so we better read them
+ * at least once here. We don't usually do it that way, but in
+ * this particular case, manually reading 5 registers out of 8
+ * doesn't make much sense and we're better using the existing
+ * function.
+ */
smsc47m1_update_device(dev, 1);
/* Register sysfs hooks */
if (fan1) {
- if ((err = device_create_file(dev,
- &sensor_dev_attr_fan1_input.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_fan1_min.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_fan1_div.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_fan1_alarm.dev_attr)))
+ err = sysfs_create_group(&dev->kobj,
+ &smsc47m1_group_fan1);
+ if (err)
goto error_remove_files;
} else
dev_dbg(dev, "Fan 1 not enabled by hardware, skipping\n");
if (fan2) {
- if ((err = device_create_file(dev,
- &sensor_dev_attr_fan2_input.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_fan2_min.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_fan2_div.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_fan2_alarm.dev_attr)))
+ err = sysfs_create_group(&dev->kobj,
+ &smsc47m1_group_fan2);
+ if (err)
goto error_remove_files;
} else
dev_dbg(dev, "Fan 2 not enabled by hardware, skipping\n");
if (fan3) {
- if ((err = device_create_file(dev,
- &sensor_dev_attr_fan3_input.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_fan3_min.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_fan3_div.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_fan3_alarm.dev_attr)))
+ err = sysfs_create_group(&dev->kobj,
+ &smsc47m1_group_fan3);
+ if (err)
goto error_remove_files;
} else if (data->type == smsc47m2)
dev_dbg(dev, "Fan 3 not enabled by hardware, skipping\n");
if (pwm1) {
- if ((err = device_create_file(dev,
- &sensor_dev_attr_pwm1.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_pwm1_enable.dev_attr)))
+ err = sysfs_create_group(&dev->kobj,
+ &smsc47m1_group_pwm1);
+ if (err)
goto error_remove_files;
} else
dev_dbg(dev, "PWM 1 not enabled by hardware, skipping\n");
if (pwm2) {
- if ((err = device_create_file(dev,
- &sensor_dev_attr_pwm2.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_pwm2_enable.dev_attr)))
+ err = sysfs_create_group(&dev->kobj,
+ &smsc47m1_group_pwm2);
+ if (err)
goto error_remove_files;
} else
dev_dbg(dev, "PWM 2 not enabled by hardware, skipping\n");
if (pwm3) {
- if ((err = device_create_file(dev,
- &sensor_dev_attr_pwm3.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_pwm3_enable.dev_attr)))
+ err = sysfs_create_group(&dev->kobj,
+ &smsc47m1_group_pwm3);
+ if (err)
goto error_remove_files;
} else if (data->type == smsc47m2)
dev_dbg(dev, "PWM 3 not enabled by hardware, skipping\n");
- if ((err = device_create_file(dev, &dev_attr_alarms)))
- goto error_remove_files;
- if ((err = device_create_file(dev, &dev_attr_name)))
+ err = sysfs_create_group(&dev->kobj, &smsc47m1_group);
+ if (err)
goto error_remove_files;
data->hwmon_dev = hwmon_device_register(dev);
@@ -732,7 +809,7 @@ static int __init smsc47m1_probe(struct platform_device *pdev)
return 0;
error_remove_files:
- sysfs_remove_group(&dev->kobj, &smsc47m1_group);
+ smsc47m1_remove_files(dev);
error_free:
platform_set_drvdata(pdev, NULL);
kfree(data);
@@ -747,7 +824,7 @@ static int __exit smsc47m1_remove(struct platform_device *pdev)
struct resource *res;
hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&pdev->dev.kobj, &smsc47m1_group);
+ smsc47m1_remove_files(&pdev->dev);
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
smsc47m1_handle_resources(res->start, data->type, RELEASE, &pdev->dev);
diff --git a/drivers/hwmon/smsc47m192.c b/drivers/hwmon/smsc47m192.c
index 40b26673d87..4705a8bf11c 100644
--- a/drivers/hwmon/smsc47m192.c
+++ b/drivers/hwmon/smsc47m192.c
@@ -1,25 +1,25 @@
/*
- smsc47m192.c - Support for hardware monitoring block of
- SMSC LPC47M192 and compatible Super I/O chips
-
- Copyright (C) 2006 Hartmut Rick <linux@rick.claranet.de>
-
- Derived from lm78.c and other chip drivers.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * smsc47m192.c - Support for hardware monitoring block of
+ * SMSC LPC47M192 and compatible Super I/O chips
+ *
+ * Copyright (C) 2006 Hartmut Rick <linux@rick.claranet.de>
+ *
+ * Derived from lm78.c and other chip drivers.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -37,16 +37,16 @@
static const unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END };
/* SMSC47M192 registers */
-#define SMSC47M192_REG_IN(nr) ((nr)<6 ? (0x20 + (nr)) : \
+#define SMSC47M192_REG_IN(nr) ((nr) < 6 ? (0x20 + (nr)) : \
(0x50 + (nr) - 6))
-#define SMSC47M192_REG_IN_MAX(nr) ((nr)<6 ? (0x2b + (nr) * 2) : \
+#define SMSC47M192_REG_IN_MAX(nr) ((nr) < 6 ? (0x2b + (nr) * 2) : \
(0x54 + (((nr) - 6) * 2)))
-#define SMSC47M192_REG_IN_MIN(nr) ((nr)<6 ? (0x2c + (nr) * 2) : \
+#define SMSC47M192_REG_IN_MIN(nr) ((nr) < 6 ? (0x2c + (nr) * 2) : \
(0x55 + (((nr) - 6) * 2)))
static u8 SMSC47M192_REG_TEMP[3] = { 0x27, 0x26, 0x52 };
static u8 SMSC47M192_REG_TEMP_MAX[3] = { 0x39, 0x37, 0x58 };
static u8 SMSC47M192_REG_TEMP_MIN[3] = { 0x3A, 0x38, 0x59 };
-#define SMSC47M192_REG_TEMP_OFFSET(nr) ((nr)==2 ? 0x1e : 0x1f)
+#define SMSC47M192_REG_TEMP_OFFSET(nr) ((nr) == 2 ? 0x1e : 0x1f)
#define SMSC47M192_REG_ALARM1 0x41
#define SMSC47M192_REG_ALARM2 0x42
#define SMSC47M192_REG_VID 0x47
@@ -80,8 +80,10 @@ static inline u8 IN_TO_REG(unsigned long val, int n)
return SENSORS_LIMIT(SCALE(val, 192, nom_mv[n]), 0, 255);
}
-/* TEMP: 0.001 degC units (-128C to +127C)
- REG: 1C/bit, two's complement */
+/*
+ * TEMP: 0.001 degC units (-128C to +127C)
+ * REG: 1C/bit, two's complement
+ */
static inline s8 TEMP_TO_REG(int val)
{
return SENSORS_LIMIT(SCALE(val, 1, 1000), -128000, 127000);
@@ -170,7 +172,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct smsc47m192_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_min[nr] = IN_TO_REG(val, nr);
@@ -187,7 +194,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct smsc47m192_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_max[nr] = IN_TO_REG(val, nr);
@@ -249,7 +261,12 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct smsc47m192_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_min[nr] = TEMP_TO_REG(val);
@@ -266,7 +283,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct smsc47m192_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_max[nr] = TEMP_TO_REG(val);
@@ -293,22 +315,29 @@ static ssize_t set_temp_offset(struct device *dev, struct device_attribute
struct i2c_client *client = to_i2c_client(dev);
struct smsc47m192_data *data = i2c_get_clientdata(client);
u8 sfr = i2c_smbus_read_byte_data(client, SMSC47M192_REG_SFR);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_offset[nr] = TEMP_TO_REG(val);
- if (nr>1)
+ if (nr > 1)
i2c_smbus_write_byte_data(client,
SMSC47M192_REG_TEMP_OFFSET(nr), data->temp_offset[nr]);
else if (data->temp_offset[nr] != 0) {
- /* offset[0] and offset[1] share the same register,
- SFR bit 4 activates offset[0] */
+ /*
+ * offset[0] and offset[1] share the same register,
+ * SFR bit 4 activates offset[0]
+ */
i2c_smbus_write_byte_data(client, SMSC47M192_REG_SFR,
- (sfr & 0xef) | (nr==0 ? 0x10 : 0));
+ (sfr & 0xef) | (nr == 0 ? 0x10 : 0));
data->temp_offset[1-nr] = 0;
i2c_smbus_write_byte_data(client,
SMSC47M192_REG_TEMP_OFFSET(nr), data->temp_offset[nr]);
- } else if ((sfr & 0x10) == (nr==0 ? 0x10 : 0))
+ } else if ((sfr & 0x10) == (nr == 0 ? 0x10 : 0))
i2c_smbus_write_byte_data(client,
SMSC47M192_REG_TEMP_OFFSET(nr), 0);
mutex_unlock(&data->update_lock);
@@ -349,7 +378,14 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct smsc47m192_data *data = dev_get_drvdata(dev);
- data->vrm = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
+ data->vrm = val;
return count;
}
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
@@ -458,13 +494,13 @@ static void smsc47m192_init_client(struct i2c_client *client)
(sfr & 0xfd) | 0x02);
if (!(config & 0x01)) {
/* initialize alarm limits */
- for (i=0; i<8; i++) {
+ for (i = 0; i < 8; i++) {
i2c_smbus_write_byte_data(client,
SMSC47M192_REG_IN_MIN(i), 0);
i2c_smbus_write_byte_data(client,
SMSC47M192_REG_IN_MAX(i), 0xff);
}
- for (i=0; i<3; i++) {
+ for (i = 0; i < 3; i++) {
i2c_smbus_write_byte_data(client,
SMSC47M192_REG_TEMP_MIN[i], 0x80);
i2c_smbus_write_byte_data(client,
@@ -532,14 +568,16 @@ static int smsc47m192_probe(struct i2c_client *client,
smsc47m192_init_client(client);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&client->dev.kobj, &smsc47m192_group)))
+ err = sysfs_create_group(&client->dev.kobj, &smsc47m192_group);
+ if (err)
goto exit_free;
/* Pin 110 is either in4 (+12V) or VID4 */
config = i2c_smbus_read_byte_data(client, SMSC47M192_REG_CONFIG);
if (!(config & 0x20)) {
- if ((err = sysfs_create_group(&client->dev.kobj,
- &smsc47m192_group_in4)))
+ err = sysfs_create_group(&client->dev.kobj,
+ &smsc47m192_group_in4);
+ if (err)
goto exit_remove_files;
}
@@ -606,8 +644,10 @@ static struct smsc47m192_data *smsc47m192_update_device(struct device *dev)
for (i = 1; i < 3; i++)
data->temp_offset[i] = i2c_smbus_read_byte_data(client,
SMSC47M192_REG_TEMP_OFFSET(i));
- /* first offset is temp_offset[0] if SFR bit 4 is set,
- temp_offset[1] otherwise */
+ /*
+ * first offset is temp_offset[0] if SFR bit 4 is set,
+ * temp_offset[1] otherwise
+ */
if (sfr & 0x10) {
data->temp_offset[0] = data->temp_offset[1];
data->temp_offset[1] = 0;
@@ -624,7 +664,7 @@ static struct smsc47m192_data *smsc47m192_update_device(struct device *dev)
data->alarms = i2c_smbus_read_byte_data(client,
SMSC47M192_REG_ALARM1) |
(i2c_smbus_read_byte_data(client,
- SMSC47M192_REG_ALARM2) << 8);
+ SMSC47M192_REG_ALARM2) << 8);
data->last_updated = jiffies;
data->valid = 1;
@@ -635,19 +675,8 @@ static struct smsc47m192_data *smsc47m192_update_device(struct device *dev)
return data;
}
-static int __init smsc47m192_init(void)
-{
- return i2c_add_driver(&smsc47m192_driver);
-}
-
-static void __exit smsc47m192_exit(void)
-{
- i2c_del_driver(&smsc47m192_driver);
-}
+module_i2c_driver(smsc47m192_driver);
MODULE_AUTHOR("Hartmut Rick <linux@rick.claranet.de>");
MODULE_DESCRIPTION("SMSC47M192 driver");
MODULE_LICENSE("GPL");
-
-module_init(smsc47m192_init);
-module_exit(smsc47m192_exit);
diff --git a/drivers/hwmon/thmc50.c b/drivers/hwmon/thmc50.c
index 7dfb4dec4c5..add9f019b24 100644
--- a/drivers/hwmon/thmc50.c
+++ b/drivers/hwmon/thmc50.c
@@ -1,24 +1,24 @@
/*
- thmc50.c - Part of lm_sensors, Linux kernel modules for hardware
- monitoring
- Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl>
- Based on 2.4 driver by Frodo Looijaard <frodol@dds.nl> and
- Philip Edelbrock <phil@netroedge.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * thmc50.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ * Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl>
+ * Based on 2.4 driver by Frodo Looijaard <frodol@dds.nl> and
+ * Philip Edelbrock <phil@netroedge.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -124,8 +124,13 @@ static ssize_t set_analog_out(struct device *dev,
{
struct i2c_client *client = to_i2c_client(dev);
struct thmc50_data *data = i2c_get_clientdata(client);
- int tmp = simple_strtoul(buf, NULL, 10);
int config;
+ unsigned long tmp;
+ int err;
+
+ err = kstrtoul(buf, 10, &tmp);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->analog_out = SENSORS_LIMIT(tmp, 0, 255);
@@ -173,7 +178,12 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct thmc50_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_min[nr] = SENSORS_LIMIT(val / 1000, -128, 127);
@@ -197,7 +207,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct thmc50_data *data = i2c_get_clientdata(client);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_max[nr] = SENSORS_LIMIT(val / 1000, -128, 127);
@@ -360,14 +375,16 @@ static int thmc50_probe(struct i2c_client *client,
thmc50_init_client(client);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&client->dev.kobj, &thmc50_group)))
+ err = sysfs_create_group(&client->dev.kobj, &thmc50_group);
+ if (err)
goto exit_free;
/* Register ADM1022 sysfs hooks */
- if (data->has_temp3)
- if ((err = sysfs_create_group(&client->dev.kobj,
- &temp3_group)))
+ if (data->has_temp3) {
+ err = sysfs_create_group(&client->dev.kobj, &temp3_group);
+ if (err)
goto exit_remove_sysfs_thmc50;
+ }
/* Register a new directory entry with module sensors */
data->hwmon_dev = hwmon_device_register(&client->dev);
@@ -465,18 +482,7 @@ static struct thmc50_data *thmc50_update_device(struct device *dev)
return data;
}
-static int __init sm_thmc50_init(void)
-{
- return i2c_add_driver(&thmc50_driver);
-}
-
-static void __exit sm_thmc50_exit(void)
-{
- i2c_del_driver(&thmc50_driver);
-}
+module_i2c_driver(thmc50_driver);
MODULE_AUTHOR("Krzysztof Helt <krzysztof.h1@wp.pl>");
MODULE_DESCRIPTION("THMC50 driver");
-
-module_init(sm_thmc50_init);
-module_exit(sm_thmc50_exit);
diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c
index c08eee21d76..0d466b9d890 100644
--- a/drivers/hwmon/tmp102.c
+++ b/drivers/hwmon/tmp102.c
@@ -292,17 +292,7 @@ static struct i2c_driver tmp102_driver = {
.id_table = tmp102_id,
};
-static int __init tmp102_init(void)
-{
- return i2c_add_driver(&tmp102_driver);
-}
-module_init(tmp102_init);
-
-static void __exit tmp102_exit(void)
-{
- i2c_del_driver(&tmp102_driver);
-}
-module_exit(tmp102_exit);
+module_i2c_driver(tmp102_driver);
MODULE_AUTHOR("Steven King <sfking@fdwdc.com>");
MODULE_DESCRIPTION("Texas Instruments TMP102 temperature sensor driver");
diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c
index 951442adc06..ea54c338467 100644
--- a/drivers/hwmon/tmp401.c
+++ b/drivers/hwmon/tmp401.c
@@ -662,19 +662,8 @@ static struct i2c_driver tmp401_driver = {
.address_list = normal_i2c,
};
-static int __init tmp401_init(void)
-{
- return i2c_add_driver(&tmp401_driver);
-}
-
-static void __exit tmp401_exit(void)
-{
- i2c_del_driver(&tmp401_driver);
-}
+module_i2c_driver(tmp401_driver);
MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
MODULE_DESCRIPTION("Texas Instruments TMP401 temperature sensor driver");
MODULE_LICENSE("GPL");
-
-module_init(tmp401_init);
-module_exit(tmp401_exit);
diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c
index c48381f2cd0..8fac87a3854 100644
--- a/drivers/hwmon/tmp421.c
+++ b/drivers/hwmon/tmp421.c
@@ -324,20 +324,9 @@ static struct i2c_driver tmp421_driver = {
.address_list = normal_i2c,
};
-static int __init tmp421_init(void)
-{
- return i2c_add_driver(&tmp421_driver);
-}
-
-static void __exit tmp421_exit(void)
-{
- i2c_del_driver(&tmp421_driver);
-}
+module_i2c_driver(tmp421_driver);
MODULE_AUTHOR("Andre Prendel <andre.prendel@gmx.de>");
MODULE_DESCRIPTION("Texas Instruments TMP421/422/423 temperature sensor"
" driver");
MODULE_LICENSE("GPL");
-
-module_init(tmp421_init);
-module_exit(tmp421_exit);
diff --git a/drivers/hwmon/ultra45_env.c b/drivers/hwmon/ultra45_env.c
index b9a87e89bab..c315c59f61f 100644
--- a/drivers/hwmon/ultra45_env.c
+++ b/drivers/hwmon/ultra45_env.c
@@ -1,4 +1,5 @@
-/* ultra45_env.c: Driver for Ultra45 PIC16F747 environmental monitor.
+/*
+ * ultra45_env.c: Driver for Ultra45 PIC16F747 environmental monitor.
*
* Copyright (C) 2008 David S. Miller <davem@davemloft.net>
*/
@@ -82,7 +83,8 @@ static void env_write(struct env *p, u8 ireg, u8 val)
spin_unlock(&p->lock);
}
-/* There seems to be a adr7462 providing these values, thus a lot
+/*
+ * There seems to be a adr7462 providing these values, thus a lot
* of these calculations are borrowed from the adt7470 driver.
*/
#define FAN_PERIOD_TO_RPM(x) ((90000 * 60) / (x))
@@ -90,7 +92,8 @@ static void env_write(struct env *p, u8 ireg, u8 val)
#define FAN_PERIOD_INVALID (0xff << 8)
#define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID)
-static ssize_t show_fan_speed(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_fan_speed(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
int fan_nr = to_sensor_dev_attr(attr)->index;
struct env *p = dev_get_drvdata(dev);
@@ -111,10 +114,15 @@ static ssize_t set_fan_speed(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int fan_nr = to_sensor_dev_attr(attr)->index;
- int rpm = simple_strtol(buf, NULL, 10);
+ unsigned long rpm;
struct env *p = dev_get_drvdata(dev);
int period;
u8 val;
+ int err;
+
+ err = kstrtoul(buf, 10, &rpm);
+ if (err)
+ return err;
if (!rpm)
return -EINVAL;
@@ -126,7 +134,8 @@ static ssize_t set_fan_speed(struct device *dev, struct device_attribute *attr,
return count;
}
-static ssize_t show_fan_fault(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_fan_fault(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
int fan_nr = to_sensor_dev_attr(attr)->index;
struct env *p = dev_get_drvdata(dev);
@@ -148,7 +157,8 @@ fan(4);
static SENSOR_DEVICE_ATTR(psu_fan_fault, S_IRUGO, show_fan_fault, NULL, 6);
-static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
int temp_nr = to_sensor_dev_attr(attr)->index;
struct env *p = dev_get_drvdata(dev);
@@ -168,7 +178,8 @@ static SENSOR_DEVICE_ATTR(lsi1064_local_temp, S_IRUGO, show_temp, NULL, 6);
static SENSOR_DEVICE_ATTR(front_panel_temp, S_IRUGO, show_temp, NULL, 7);
static SENSOR_DEVICE_ATTR(psu_temp, S_IRUGO, show_temp, NULL, 13);
-static ssize_t show_stat_bit(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_stat_bit(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
int index = to_sensor_dev_attr(attr)->index;
struct env *p = dev_get_drvdata(dev);
@@ -181,9 +192,11 @@ static ssize_t show_stat_bit(struct device *dev, struct device_attribute *attr,
static SENSOR_DEVICE_ATTR(fan_failure, S_IRUGO, show_stat_bit, NULL, 0);
static SENSOR_DEVICE_ATTR(env_bus_busy, S_IRUGO, show_stat_bit, NULL, 1);
static SENSOR_DEVICE_ATTR(env_data_stale, S_IRUGO, show_stat_bit, NULL, 2);
-static SENSOR_DEVICE_ATTR(tpm_self_test_passed, S_IRUGO, show_stat_bit, NULL, 3);
+static SENSOR_DEVICE_ATTR(tpm_self_test_passed, S_IRUGO, show_stat_bit, NULL,
+ 3);
-static ssize_t show_fwver(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_fwver(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct env *p = dev_get_drvdata(dev);
u8 val;
@@ -194,7 +207,8 @@ static ssize_t show_fwver(struct device *dev, struct device_attribute *attr, cha
static SENSOR_DEVICE_ATTR(firmware_version, S_IRUGO, show_fwver, NULL, 0);
-static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_name(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
return sprintf(buf, "ultra45\n");
}
diff --git a/drivers/hwmon/via686a.c b/drivers/hwmon/via686a.c
index 25e91665a0a..288135d85e1 100644
--- a/drivers/hwmon/via686a.c
+++ b/drivers/hwmon/via686a.c
@@ -1,34 +1,35 @@
/*
- via686a.c - Part of lm_sensors, Linux kernel modules
- for hardware monitoring
-
- Copyright (c) 1998 - 2002 Frodo Looijaard <frodol@dds.nl>,
- Kyösti Mälkki <kmalkki@cc.hut.fi>,
- Mark Studebaker <mdsxyz123@yahoo.com>,
- and Bob Dougherty <bobd@stanford.edu>
- (Some conversion-factor data were contributed by Jonathan Teh Soon Yew
- <j.teh@iname.com> and Alex van Kaam <darkside@chello.nl>.)
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * via686a.c - Part of lm_sensors, Linux kernel modules
+ * for hardware monitoring
+ *
+ * Copyright (c) 1998 - 2002 Frodo Looijaard <frodol@dds.nl>,
+ * Kyösti Mälkki <kmalkki@cc.hut.fi>,
+ * Mark Studebaker <mdsxyz123@yahoo.com>,
+ * and Bob Dougherty <bobd@stanford.edu>
+ *
+ * (Some conversion-factor data were contributed by Jonathan Teh Soon Yew
+ * <j.teh@iname.com> and Alex van Kaam <darkside@chello.nl>.)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
/*
- Supports the Via VT82C686A, VT82C686B south bridges.
- Reports all as a 686A.
- Warning - only supports a single device.
-*/
+ * Supports the Via VT82C686A, VT82C686B south bridges.
+ * Reports all as a 686A.
+ * Warning - only supports a single device.
+ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -47,8 +48,10 @@
#include <linux/io.h>
-/* If force_addr is set to anything different from 0, we forcibly enable
- the device at the given address. */
+/*
+ * If force_addr is set to anything different from 0, we forcibly enable
+ * the device at the given address.
+ */
static unsigned short force_addr;
module_param(force_addr, ushort, 0);
MODULE_PARM_DESC(force_addr,
@@ -57,9 +60,9 @@ MODULE_PARM_DESC(force_addr,
static struct platform_device *pdev;
/*
- The Via 686a southbridge has a LM78-like chip integrated on the same IC.
- This driver is a customized copy of lm78.c
-*/
+ * The Via 686a southbridge has a LM78-like chip integrated on the same IC.
+ * This driver is a customized copy of lm78.c
+ */
/* Many VIA686A constants specified below */
@@ -91,40 +94,46 @@ static const u8 VIA686A_REG_TEMP_HYST[] = { 0x3a, 0x3e, 0x1e };
#define VIA686A_REG_ALARM2 0x42
#define VIA686A_REG_FANDIV 0x47
#define VIA686A_REG_CONFIG 0x40
-/* The following register sets temp interrupt mode (bits 1-0 for temp1,
- 3-2 for temp2, 5-4 for temp3). Modes are:
- 00 interrupt stays as long as value is out-of-range
- 01 interrupt is cleared once register is read (default)
- 10 comparator mode- like 00, but ignores hysteresis
- 11 same as 00 */
+/*
+ * The following register sets temp interrupt mode (bits 1-0 for temp1,
+ * 3-2 for temp2, 5-4 for temp3). Modes are:
+ * 00 interrupt stays as long as value is out-of-range
+ * 01 interrupt is cleared once register is read (default)
+ * 10 comparator mode- like 00, but ignores hysteresis
+ * 11 same as 00
+ */
#define VIA686A_REG_TEMP_MODE 0x4b
/* We'll just assume that you want to set all 3 simultaneously: */
#define VIA686A_TEMP_MODE_MASK 0x3F
#define VIA686A_TEMP_MODE_CONTINUOUS 0x00
-/* Conversions. Limit checking is only done on the TO_REG
- variants.
-
-********* VOLTAGE CONVERSIONS (Bob Dougherty) ********
- From HWMon.cpp (Copyright 1998-2000 Jonathan Teh Soon Yew):
- voltagefactor[0]=1.25/2628; (2628/1.25=2102.4) // Vccp
- voltagefactor[1]=1.25/2628; (2628/1.25=2102.4) // +2.5V
- voltagefactor[2]=1.67/2628; (2628/1.67=1573.7) // +3.3V
- voltagefactor[3]=2.6/2628; (2628/2.60=1010.8) // +5V
- voltagefactor[4]=6.3/2628; (2628/6.30=417.14) // +12V
- in[i]=(data[i+2]*25.0+133)*voltagefactor[i];
- That is:
- volts = (25*regVal+133)*factor
- regVal = (volts/factor-133)/25
- (These conversions were contributed by Jonathan Teh Soon Yew
- <j.teh@iname.com>) */
+/*
+ * Conversions. Limit checking is only done on the TO_REG
+ * variants.
+ *
+ ******** VOLTAGE CONVERSIONS (Bob Dougherty) ********
+ * From HWMon.cpp (Copyright 1998-2000 Jonathan Teh Soon Yew):
+ * voltagefactor[0]=1.25/2628; (2628/1.25=2102.4) // Vccp
+ * voltagefactor[1]=1.25/2628; (2628/1.25=2102.4) // +2.5V
+ * voltagefactor[2]=1.67/2628; (2628/1.67=1573.7) // +3.3V
+ * voltagefactor[3]=2.6/2628; (2628/2.60=1010.8) // +5V
+ * voltagefactor[4]=6.3/2628; (2628/6.30=417.14) // +12V
+ * in[i]=(data[i+2]*25.0+133)*voltagefactor[i];
+ * That is:
+ * volts = (25*regVal+133)*factor
+ * regVal = (volts/factor-133)/25
+ * (These conversions were contributed by Jonathan Teh Soon Yew
+ * <j.teh@iname.com>)
+ */
static inline u8 IN_TO_REG(long val, int inNum)
{
- /* To avoid floating point, we multiply constants by 10 (100 for +12V).
- Rounding is done (120500 is actually 133000 - 12500).
- Remember that val is expressed in 0.001V/bit, which is why we divide
- by an additional 10000 (100000 for +12V): 1000 for val and 10 (100)
- for the constants. */
+ /*
+ * To avoid floating point, we multiply constants by 10 (100 for +12V).
+ * Rounding is done (120500 is actually 133000 - 12500).
+ * Remember that val is expressed in 0.001V/bit, which is why we divide
+ * by an additional 10000 (100000 for +12V): 1000 for val and 10 (100)
+ * for the constants.
+ */
if (inNum <= 1)
return (u8)
SENSORS_LIMIT((val * 21024 - 1205000) / 250000, 0, 255);
@@ -141,9 +150,11 @@ static inline u8 IN_TO_REG(long val, int inNum)
static inline long IN_FROM_REG(u8 val, int inNum)
{
- /* To avoid floating point, we multiply constants by 10 (100 for +12V).
- We also multiply them by 1000 because we want 0.001V/bit for the
- output value. Rounding is done. */
+ /*
+ * To avoid floating point, we multiply constants by 10 (100 for +12V).
+ * We also multiply them by 1000 because we want 0.001V/bit for the
+ * output value. Rounding is done.
+ */
if (inNum <= 1)
return (long) ((250000 * val + 1330000 + 21024 / 2) / 21024);
else if (inNum == 2)
@@ -155,9 +166,11 @@ static inline long IN_FROM_REG(u8 val, int inNum)
}
/********* FAN RPM CONVERSIONS ********/
-/* Higher register values = slower fans (the fan's strobe gates a counter).
- But this chip saturates back at 0, not at 255 like all the other chips.
- So, 0 means 0 RPM */
+/*
+ * Higher register values = slower fans (the fan's strobe gates a counter).
+ * But this chip saturates back at 0, not at 255 like all the other chips.
+ * So, 0 means 0 RPM
+ */
static inline u8 FAN_TO_REG(long rpm, int div)
{
if (rpm == 0)
@@ -166,42 +179,45 @@ static inline u8 FAN_TO_REG(long rpm, int div)
return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 255);
}
-#define FAN_FROM_REG(val,div) ((val)==0?0:(val)==255?0:1350000/((val)*(div)))
+#define FAN_FROM_REG(val, div) ((val) == 0 ? 0 : (val) == 255 ? 0 : 1350000 / \
+ ((val) * (div)))
/******** TEMP CONVERSIONS (Bob Dougherty) *********/
-/* linear fits from HWMon.cpp (Copyright 1998-2000 Jonathan Teh Soon Yew)
- if(temp<169)
- return double(temp)*0.427-32.08;
- else if(temp>=169 && temp<=202)
- return double(temp)*0.582-58.16;
- else
- return double(temp)*0.924-127.33;
-
- A fifth-order polynomial fits the unofficial data (provided by Alex van
- Kaam <darkside@chello.nl>) a bit better. It also give more reasonable
- numbers on my machine (ie. they agree with what my BIOS tells me).
- Here's the fifth-order fit to the 8-bit data:
- temp = 1.625093e-10*val^5 - 1.001632e-07*val^4 + 2.457653e-05*val^3 -
- 2.967619e-03*val^2 + 2.175144e-01*val - 7.090067e+0.
-
- (2000-10-25- RFD: thanks to Uwe Andersen <uandersen@mayah.com> for
- finding my typos in this formula!)
-
- Alas, none of the elegant function-fit solutions will work because we
- aren't allowed to use floating point in the kernel and doing it with
- integers doesn't provide enough precision. So we'll do boring old
- look-up table stuff. The unofficial data (see below) have effectively
- 7-bit resolution (they are rounded to the nearest degree). I'm assuming
- that the transfer function of the device is monotonic and smooth, so a
- smooth function fit to the data will allow us to get better precision.
- I used the 5th-order poly fit described above and solved for
- VIA register values 0-255. I *10 before rounding, so we get tenth-degree
- precision. (I could have done all 1024 values for our 10-bit readings,
- but the function is very linear in the useful range (0-80 deg C), so
- we'll just use linear interpolation for 10-bit readings.) So, tempLUT
- is the temp at via register values 0-255: */
-static const s16 tempLUT[] =
-{ -709, -688, -667, -646, -627, -607, -589, -570, -553, -536, -519,
+/*
+ * linear fits from HWMon.cpp (Copyright 1998-2000 Jonathan Teh Soon Yew)
+ * if(temp<169)
+ * return double(temp)*0.427-32.08;
+ * else if(temp>=169 && temp<=202)
+ * return double(temp)*0.582-58.16;
+ * else
+ * return double(temp)*0.924-127.33;
+ *
+ * A fifth-order polynomial fits the unofficial data (provided by Alex van
+ * Kaam <darkside@chello.nl>) a bit better. It also give more reasonable
+ * numbers on my machine (ie. they agree with what my BIOS tells me).
+ * Here's the fifth-order fit to the 8-bit data:
+ * temp = 1.625093e-10*val^5 - 1.001632e-07*val^4 + 2.457653e-05*val^3 -
+ * 2.967619e-03*val^2 + 2.175144e-01*val - 7.090067e+0.
+ *
+ * (2000-10-25- RFD: thanks to Uwe Andersen <uandersen@mayah.com> for
+ * finding my typos in this formula!)
+ *
+ * Alas, none of the elegant function-fit solutions will work because we
+ * aren't allowed to use floating point in the kernel and doing it with
+ * integers doesn't provide enough precision. So we'll do boring old
+ * look-up table stuff. The unofficial data (see below) have effectively
+ * 7-bit resolution (they are rounded to the nearest degree). I'm assuming
+ * that the transfer function of the device is monotonic and smooth, so a
+ * smooth function fit to the data will allow us to get better precision.
+ * I used the 5th-order poly fit described above and solved for
+ * VIA register values 0-255. I *10 before rounding, so we get tenth-degree
+ * precision. (I could have done all 1024 values for our 10-bit readings,
+ * but the function is very linear in the useful range (0-80 deg C), so
+ * we'll just use linear interpolation for 10-bit readings.) So, tempLUT
+ * is the temp at via register values 0-255:
+ */
+static const s16 tempLUT[] = {
+ -709, -688, -667, -646, -627, -607, -589, -570, -553, -536, -519,
-503, -487, -471, -456, -442, -428, -414, -400, -387, -375,
-362, -350, -339, -327, -316, -305, -295, -285, -275, -265,
-255, -246, -237, -229, -220, -212, -204, -196, -188, -180,
@@ -225,29 +241,31 @@ static const s16 tempLUT[] =
1276, 1301, 1326, 1352, 1378, 1406, 1434, 1462
};
-/* the original LUT values from Alex van Kaam <darkside@chello.nl>
- (for via register values 12-240):
-{-50,-49,-47,-45,-43,-41,-39,-38,-37,-35,-34,-33,-32,-31,
--30,-29,-28,-27,-26,-25,-24,-24,-23,-22,-21,-20,-20,-19,-18,-17,-17,-16,-15,
--15,-14,-14,-13,-12,-12,-11,-11,-10,-9,-9,-8,-8,-7,-7,-6,-6,-5,-5,-4,-4,-3,
--3,-2,-2,-1,-1,0,0,1,1,1,3,3,3,4,4,4,5,5,5,6,6,7,7,8,8,9,9,9,10,10,11,11,12,
-12,12,13,13,13,14,14,15,15,16,16,16,17,17,18,18,19,19,20,20,21,21,21,22,22,
-22,23,23,24,24,25,25,26,26,26,27,27,27,28,28,29,29,30,30,30,31,31,32,32,33,
-33,34,34,35,35,35,36,36,37,37,38,38,39,39,40,40,41,41,42,42,43,43,44,44,45,
-45,46,46,47,48,48,49,49,50,51,51,52,52,53,53,54,55,55,56,57,57,58,59,59,60,
-61,62,62,63,64,65,66,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,83,84,
-85,86,88,89,91,92,94,96,97,99,101,103,105,107,109,110};
-
-
- Here's the reverse LUT. I got it by doing a 6-th order poly fit (needed
- an extra term for a good fit to these inverse data!) and then
- solving for each temp value from -50 to 110 (the useable range for
- this chip). Here's the fit:
- viaRegVal = -1.160370e-10*val^6 +3.193693e-08*val^5 - 1.464447e-06*val^4
- - 2.525453e-04*val^3 + 1.424593e-02*val^2 + 2.148941e+00*val +7.275808e+01)
- Note that n=161: */
-static const u8 viaLUT[] =
-{ 12, 12, 13, 14, 14, 15, 16, 16, 17, 18, 18, 19, 20, 20, 21, 22, 23,
+/*
+ * the original LUT values from Alex van Kaam <darkside@chello.nl>
+ * (for via register values 12-240):
+ * {-50,-49,-47,-45,-43,-41,-39,-38,-37,-35,-34,-33,-32,-31,
+ * -30,-29,-28,-27,-26,-25,-24,-24,-23,-22,-21,-20,-20,-19,-18,-17,-17,-16,-15,
+ * -15,-14,-14,-13,-12,-12,-11,-11,-10,-9,-9,-8,-8,-7,-7,-6,-6,-5,-5,-4,-4,-3,
+ * -3,-2,-2,-1,-1,0,0,1,1,1,3,3,3,4,4,4,5,5,5,6,6,7,7,8,8,9,9,9,10,10,11,11,12,
+ * 12,12,13,13,13,14,14,15,15,16,16,16,17,17,18,18,19,19,20,20,21,21,21,22,22,
+ * 22,23,23,24,24,25,25,26,26,26,27,27,27,28,28,29,29,30,30,30,31,31,32,32,33,
+ * 33,34,34,35,35,35,36,36,37,37,38,38,39,39,40,40,41,41,42,42,43,43,44,44,45,
+ * 45,46,46,47,48,48,49,49,50,51,51,52,52,53,53,54,55,55,56,57,57,58,59,59,60,
+ * 61,62,62,63,64,65,66,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,83,84,
+ * 85,86,88,89,91,92,94,96,97,99,101,103,105,107,109,110};
+ *
+ *
+ * Here's the reverse LUT. I got it by doing a 6-th order poly fit (needed
+ * an extra term for a good fit to these inverse data!) and then
+ * solving for each temp value from -50 to 110 (the useable range for
+ * this chip). Here's the fit:
+ * viaRegVal = -1.160370e-10*val^6 +3.193693e-08*val^5 - 1.464447e-06*val^4
+ * - 2.525453e-04*val^3 + 1.424593e-02*val^2 + 2.148941e+00*val +7.275808e+01)
+ * Note that n=161:
+ */
+static const u8 viaLUT[] = {
+ 12, 12, 13, 14, 14, 15, 16, 16, 17, 18, 18, 19, 20, 20, 21, 22, 23,
23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 39, 40,
41, 43, 45, 46, 48, 49, 51, 53, 55, 57, 59, 60, 62, 64, 66,
69, 71, 73, 75, 77, 79, 82, 84, 86, 88, 91, 93, 95, 98, 100,
@@ -262,9 +280,11 @@ static const u8 viaLUT[] =
239, 240
};
-/* Converting temps to (8-bit) hyst and over registers
- No interpolation here.
- The +50 is because the temps start at -50 */
+/*
+ * Converting temps to (8-bit) hyst and over registers
+ * No interpolation here.
+ * The +50 is because the temps start at -50
+ */
static inline u8 TEMP_TO_REG(long val)
{
return viaLUT[val <= -50000 ? 0 : val >= 110000 ? 160 :
@@ -290,10 +310,12 @@ static inline long TEMP_FROM_REG10(u16 val)
}
#define DIV_FROM_REG(val) (1 << (val))
-#define DIV_TO_REG(val) ((val)==8?3:(val)==4?2:(val)==1?0:1)
+#define DIV_TO_REG(val) ((val) == 8 ? 3 : (val) == 4 ? 2 : (val) == 1 ? 0 : 1)
-/* For each registered chip, we need to keep some data in memory.
- The structure is dynamically allocated. */
+/*
+ * For each registered chip, we need to keep some data in memory.
+ * The structure is dynamically allocated.
+ */
struct via686a_data {
unsigned short addr;
const char *name;
@@ -365,7 +387,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *da,
struct via686a_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index;
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_min[nr] = IN_TO_REG(val, nr);
@@ -379,7 +406,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *da,
struct via686a_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index;
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_max[nr] = IN_TO_REG(val, nr);
@@ -429,7 +461,12 @@ static ssize_t set_temp_over(struct device *dev, struct device_attribute *da,
struct via686a_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index;
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_over[nr] = TEMP_TO_REG(val);
@@ -443,7 +480,12 @@ static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *da,
struct via686a_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index;
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_hyst[nr] = TEMP_TO_REG(val);
@@ -471,7 +513,7 @@ static ssize_t show_fan(struct device *dev, struct device_attribute *da,
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index;
return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
- DIV_FROM_REG(data->fan_div[nr])) );
+ DIV_FROM_REG(data->fan_div[nr])));
}
static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
char *buf) {
@@ -479,21 +521,27 @@ static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index;
return sprintf(buf, "%d\n",
- FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])) );
+ FAN_FROM_REG(data->fan_min[nr],
+ DIV_FROM_REG(data->fan_div[nr])));
}
static ssize_t show_fan_div(struct device *dev, struct device_attribute *da,
char *buf) {
struct via686a_data *data = via686a_update_device(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index;
- return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]) );
+ return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
}
static ssize_t set_fan_min(struct device *dev, struct device_attribute *da,
const char *buf, size_t count) {
struct via686a_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index;
- int val = simple_strtol(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -506,8 +554,13 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
struct via686a_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index;
- int val = simple_strtol(buf, NULL, 10);
int old;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
old = via686a_read_value(data, VIA686A_REG_FANDIV);
@@ -530,10 +583,13 @@ show_fan_offset(1);
show_fan_offset(2);
/* Alarms */
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) {
+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
struct via686a_data *data = via686a_update_device(dev);
return sprintf(buf, "%u\n", data->alarms);
}
+
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
@@ -641,7 +697,8 @@ static int __devinit via686a_probe(struct platform_device *pdev)
return -ENODEV;
}
- if (!(data = kzalloc(sizeof(struct via686a_data), GFP_KERNEL))) {
+ data = kzalloc(sizeof(struct via686a_data), GFP_KERNEL);
+ if (!data) {
err = -ENOMEM;
goto exit_release;
}
@@ -655,7 +712,8 @@ static int __devinit via686a_probe(struct platform_device *pdev)
via686a_init_device(data);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&pdev->dev.kobj, &via686a_group)))
+ err = sysfs_create_group(&pdev->dev.kobj, &via686a_group);
+ if (err)
goto exit_free;
data->hwmon_dev = hwmon_device_register(&pdev->dev);
@@ -748,10 +806,11 @@ static struct via686a_data *via686a_update_device(struct device *dev)
via686a_read_value(data,
VIA686A_REG_TEMP_HYST[i]);
}
- /* add in lower 2 bits
- temp1 uses bits 7-6 of VIA686A_REG_TEMP_LOW1
- temp2 uses bits 5-4 of VIA686A_REG_TEMP_LOW23
- temp3 uses bits 7-6 of VIA686A_REG_TEMP_LOW23
+ /*
+ * add in lower 2 bits
+ * temp1 uses bits 7-6 of VIA686A_REG_TEMP_LOW1
+ * temp2 uses bits 5-4 of VIA686A_REG_TEMP_LOW23
+ * temp3 uses bits 7-6 of VIA686A_REG_TEMP_LOW23
*/
data->temp[0] |= (via686a_read_value(data,
VIA686A_REG_TEMP_LOW1)
@@ -777,11 +836,10 @@ static struct via686a_data *via686a_update_device(struct device *dev)
return data;
}
-static const struct pci_device_id via686a_pci_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(via686a_pci_ids) = {
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4) },
- { 0, }
+ { }
};
-
MODULE_DEVICE_TABLE(pci, via686a_pci_ids);
static int __devinit via686a_device_add(unsigned short address)
@@ -872,7 +930,8 @@ static int __devinit via686a_pci_probe(struct pci_dev *dev,
if (via686a_device_add(address))
goto exit_unregister;
- /* Always return failure here. This is to allow other drivers to bind
+ /*
+ * Always return failure here. This is to allow other drivers to bind
* to this pci device. We don't really want to have control over the
* pci device, we only wanted to read as few register values from it.
*/
diff --git a/drivers/hwmon/vt1211.c b/drivers/hwmon/vt1211.c
index 49163d48e96..c2c5c72fb8f 100644
--- a/drivers/hwmon/vt1211.c
+++ b/drivers/hwmon/vt1211.c
@@ -151,8 +151,10 @@ struct vt1211_data {
#define ISTEMP(ix, uch_config) ((ix) < 2 ? 1 : \
((uch_config) >> (ix)) & 1)
-/* in5 (ix = 5) is special. It's the internal 3.3V so it's scaled in the
- driver according to the VT1211 BIOS porting guide */
+/*
+ * in5 (ix = 5) is special. It's the internal 3.3V so it's scaled in the
+ * driver according to the VT1211 BIOS porting guide
+ */
#define IN_FROM_REG(ix, reg) ((reg) < 3 ? 0 : (ix) == 5 ? \
(((reg) - 3) * 15882 + 479) / 958 : \
(((reg) - 3) * 10000 + 479) / 958)
@@ -160,11 +162,13 @@ struct vt1211_data {
((val) * 958 + 7941) / 15882 + 3 : \
((val) * 958 + 5000) / 10000 + 3, 0, 255))
-/* temp1 (ix = 0) is an intel thermal diode which is scaled in user space.
- temp2 (ix = 1) is the internal temp diode so it's scaled in the driver
- according to some measurements that I took on an EPIA M10000.
- temp3-7 are thermistor based so the driver returns the voltage measured at
- the pin (range 0V - 2.2V). */
+/*
+ * temp1 (ix = 0) is an intel thermal diode which is scaled in user space.
+ * temp2 (ix = 1) is the internal temp diode so it's scaled in the driver
+ * according to some measurements that I took on an EPIA M10000.
+ * temp3-7 are thermistor based so the driver returns the voltage measured at
+ * the pin (range 0V - 2.2V).
+ */
#define TEMP_FROM_REG(ix, reg) ((ix) == 0 ? (reg) * 1000 : \
(ix) == 1 ? (reg) < 51 ? 0 : \
((reg) - 51) * 1000 : \
@@ -186,8 +190,10 @@ struct vt1211_data {
* Super-I/O constants and functions
* --------------------------------------------------------------------- */
-/* Configuration index port registers
- * The vt1211 can live at 2 different addresses so we need to probe both */
+/*
+ * Configuration index port registers
+ * The vt1211 can live at 2 different addresses so we need to probe both
+ */
#define SIO_REG_CIP1 0x2e
#define SIO_REG_CIP2 0x4e
@@ -377,7 +383,12 @@ static ssize_t set_in(struct device *dev, struct device_attribute *attr,
to_sensor_dev_attr_2(attr);
int ix = sensor_attr_2->index;
int fn = sensor_attr_2->nr;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
switch (fn) {
@@ -446,7 +457,12 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
to_sensor_dev_attr_2(attr);
int ix = sensor_attr_2->index;
int fn = sensor_attr_2->nr;
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
switch (fn) {
@@ -517,8 +533,13 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *attr,
to_sensor_dev_attr_2(attr);
int ix = sensor_attr_2->index;
int fn = sensor_attr_2->nr;
- long val = simple_strtol(buf, NULL, 10);
int reg;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -536,16 +557,23 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *attr,
break;
case SHOW_SET_FAN_DIV:
switch (val) {
- case 1: data->fan_div[ix] = 0; break;
- case 2: data->fan_div[ix] = 1; break;
- case 4: data->fan_div[ix] = 2; break;
- case 8: data->fan_div[ix] = 3; break;
- default:
- count = -EINVAL;
- dev_warn(dev, "fan div value %ld not "
- "supported. Choose one of 1, 2, "
- "4, or 8.\n", val);
- goto EXIT;
+ case 1:
+ data->fan_div[ix] = 0;
+ break;
+ case 2:
+ data->fan_div[ix] = 1;
+ break;
+ case 4:
+ data->fan_div[ix] = 2;
+ break;
+ case 8:
+ data->fan_div[ix] = 3;
+ break;
+ default:
+ count = -EINVAL;
+ dev_warn(dev, "fan div value %ld not supported. "
+ "Choose one of 1, 2, 4, or 8.\n", val);
+ goto EXIT;
}
vt1211_write8(data, VT1211_REG_FAN_DIV,
((data->fan_div[1] << 6) |
@@ -610,8 +638,13 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
to_sensor_dev_attr_2(attr);
int ix = sensor_attr_2->index;
int fn = sensor_attr_2->nr;
- long val = simple_strtol(buf, NULL, 10);
int tmp, reg;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -628,11 +661,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
switch (val) {
case 0:
data->pwm_ctl[ix] &= 7;
- /* disable SmartGuardian if both PWM outputs are
- * disabled */
- if ((data->pwm_ctl[ix ^ 1] & 1) == 0) {
+ /*
+ * disable SmartGuardian if both PWM outputs are
+ * disabled
+ */
+ if ((data->pwm_ctl[ix ^ 1] & 1) == 0)
data->fan_ctl &= 0xe;
- }
break;
case 2:
data->pwm_ctl[ix] |= 8;
@@ -656,16 +690,15 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
val = 135000 / SENSORS_LIMIT(val, 135000 >> 7, 135000);
/* calculate tmp = log2(val) */
tmp = 0;
- for (val >>= 1; val > 0; val >>= 1) {
+ for (val >>= 1; val > 0; val >>= 1)
tmp++;
- }
/* sync the data cache */
reg = vt1211_read8(data, VT1211_REG_PWM_CLK);
data->pwm_clk = (reg & 0xf8) | tmp;
vt1211_write8(data, VT1211_REG_PWM_CLK, data->pwm_clk);
break;
case SHOW_SET_PWM_AUTO_CHANNELS_TEMP:
- if ((val < 1) || (val > 7)) {
+ if (val < 1 || val > 7) {
count = -EINVAL;
dev_warn(dev, "temp channel %ld not supported. "
"Choose a value between 1 and 7.\n", val);
@@ -741,8 +774,14 @@ static ssize_t set_pwm_auto_point_temp(struct device *dev,
to_sensor_dev_attr_2(attr);
int ix = sensor_attr_2->index;
int ap = sensor_attr_2->nr;
- long val = simple_strtol(buf, NULL, 10);
int reg;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
+
mutex_lock(&data->update_lock);
@@ -774,7 +813,7 @@ static ssize_t set_pwm_auto_point_temp(struct device *dev,
* 1 1 : pwm2 low speed duty cycle (pwm_auto_pwm[1][1])
* 1 2 : pwm2 high speed duty cycle (pwm_auto_pwm[1][2])
* 1 3 : pwm2 full speed (pwm_auto_pwm[1][3], hard-wired to 255)
-*/
+ */
static ssize_t show_pwm_auto_point_pwm(struct device *dev,
struct device_attribute *attr,
@@ -798,16 +837,15 @@ static ssize_t set_pwm_auto_point_pwm(struct device *dev,
to_sensor_dev_attr_2(attr);
int ix = sensor_attr_2->index;
int ap = sensor_attr_2->nr;
- long val = simple_strtol(buf, NULL, 10);
+ unsigned long val;
+ int err;
- if ((val < 0) || (val > 255)) {
- dev_err(dev, "pwm value %ld is out of range. "
- "Choose a value between 0 and 255.\n" , val);
- return -EINVAL;
- }
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
- data->pwm_auto_pwm[ix][ap] = val;
+ data->pwm_auto_pwm[ix][ap] = SENSORS_LIMIT(val, 0, 255);
vt1211_write8(data, VT1211_REG_PWM_AUTO_PWM(ix, ap),
data->pwm_auto_pwm[ix][ap]);
mutex_unlock(&data->update_lock);
@@ -831,7 +869,12 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct vt1211_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
data->vrm = val;
@@ -866,112 +909,99 @@ static ssize_t show_alarms(struct device *dev,
* Device attribute structs
* --------------------------------------------------------------------- */
-#define SENSOR_ATTR_IN_INPUT(ix) \
- SENSOR_ATTR_2(in##ix##_input, S_IRUGO, \
- show_in, NULL, SHOW_IN_INPUT, ix)
-
-static struct sensor_device_attribute_2 vt1211_sysfs_in_input[] = {
- SENSOR_ATTR_IN_INPUT(0),
- SENSOR_ATTR_IN_INPUT(1),
- SENSOR_ATTR_IN_INPUT(2),
- SENSOR_ATTR_IN_INPUT(3),
- SENSOR_ATTR_IN_INPUT(4),
- SENSOR_ATTR_IN_INPUT(5),
-};
-
-#define SENSOR_ATTR_IN_MIN(ix) \
+#define SENSOR_ATTR_IN(ix) \
+{ SENSOR_ATTR_2(in##ix##_input, S_IRUGO, \
+ show_in, NULL, SHOW_IN_INPUT, ix), \
SENSOR_ATTR_2(in##ix##_min, S_IRUGO | S_IWUSR, \
- show_in, set_in, SHOW_SET_IN_MIN, ix)
-
-static struct sensor_device_attribute_2 vt1211_sysfs_in_min[] = {
- SENSOR_ATTR_IN_MIN(0),
- SENSOR_ATTR_IN_MIN(1),
- SENSOR_ATTR_IN_MIN(2),
- SENSOR_ATTR_IN_MIN(3),
- SENSOR_ATTR_IN_MIN(4),
- SENSOR_ATTR_IN_MIN(5),
-};
-
-#define SENSOR_ATTR_IN_MAX(ix) \
+ show_in, set_in, SHOW_SET_IN_MIN, ix), \
SENSOR_ATTR_2(in##ix##_max, S_IRUGO | S_IWUSR, \
- show_in, set_in, SHOW_SET_IN_MAX, ix)
-
-static struct sensor_device_attribute_2 vt1211_sysfs_in_max[] = {
- SENSOR_ATTR_IN_MAX(0),
- SENSOR_ATTR_IN_MAX(1),
- SENSOR_ATTR_IN_MAX(2),
- SENSOR_ATTR_IN_MAX(3),
- SENSOR_ATTR_IN_MAX(4),
- SENSOR_ATTR_IN_MAX(5),
+ show_in, set_in, SHOW_SET_IN_MAX, ix), \
+ SENSOR_ATTR_2(in##ix##_alarm, S_IRUGO, \
+ show_in, NULL, SHOW_IN_ALARM, ix) \
+}
+
+static struct sensor_device_attribute_2 vt1211_sysfs_in[][4] = {
+ SENSOR_ATTR_IN(0),
+ SENSOR_ATTR_IN(1),
+ SENSOR_ATTR_IN(2),
+ SENSOR_ATTR_IN(3),
+ SENSOR_ATTR_IN(4),
+ SENSOR_ATTR_IN(5)
};
-#define SENSOR_ATTR_IN_ALARM(ix) \
- SENSOR_ATTR_2(in##ix##_alarm, S_IRUGO, \
- show_in, NULL, SHOW_IN_ALARM, ix)
-
-static struct sensor_device_attribute_2 vt1211_sysfs_in_alarm[] = {
- SENSOR_ATTR_IN_ALARM(0),
- SENSOR_ATTR_IN_ALARM(1),
- SENSOR_ATTR_IN_ALARM(2),
- SENSOR_ATTR_IN_ALARM(3),
- SENSOR_ATTR_IN_ALARM(4),
- SENSOR_ATTR_IN_ALARM(5),
+#define IN_UNIT_ATTRS(X) \
+{ &vt1211_sysfs_in[X][0].dev_attr.attr, \
+ &vt1211_sysfs_in[X][1].dev_attr.attr, \
+ &vt1211_sysfs_in[X][2].dev_attr.attr, \
+ &vt1211_sysfs_in[X][3].dev_attr.attr, \
+ NULL \
+}
+
+static struct attribute *vt1211_in_attr[][5] = {
+ IN_UNIT_ATTRS(0),
+ IN_UNIT_ATTRS(1),
+ IN_UNIT_ATTRS(2),
+ IN_UNIT_ATTRS(3),
+ IN_UNIT_ATTRS(4),
+ IN_UNIT_ATTRS(5)
};
-#define SENSOR_ATTR_TEMP_INPUT(ix) \
- SENSOR_ATTR_2(temp##ix##_input, S_IRUGO, \
- show_temp, NULL, SHOW_TEMP_INPUT, ix-1)
-
-static struct sensor_device_attribute_2 vt1211_sysfs_temp_input[] = {
- SENSOR_ATTR_TEMP_INPUT(1),
- SENSOR_ATTR_TEMP_INPUT(2),
- SENSOR_ATTR_TEMP_INPUT(3),
- SENSOR_ATTR_TEMP_INPUT(4),
- SENSOR_ATTR_TEMP_INPUT(5),
- SENSOR_ATTR_TEMP_INPUT(6),
- SENSOR_ATTR_TEMP_INPUT(7),
+static const struct attribute_group vt1211_in_attr_group[] = {
+ { .attrs = vt1211_in_attr[0] },
+ { .attrs = vt1211_in_attr[1] },
+ { .attrs = vt1211_in_attr[2] },
+ { .attrs = vt1211_in_attr[3] },
+ { .attrs = vt1211_in_attr[4] },
+ { .attrs = vt1211_in_attr[5] }
};
-#define SENSOR_ATTR_TEMP_MAX(ix) \
+#define SENSOR_ATTR_TEMP(ix) \
+{ SENSOR_ATTR_2(temp##ix##_input, S_IRUGO, \
+ show_temp, NULL, SHOW_TEMP_INPUT, ix-1), \
SENSOR_ATTR_2(temp##ix##_max, S_IRUGO | S_IWUSR, \
- show_temp, set_temp, SHOW_SET_TEMP_MAX, ix-1)
-
-static struct sensor_device_attribute_2 vt1211_sysfs_temp_max[] = {
- SENSOR_ATTR_TEMP_MAX(1),
- SENSOR_ATTR_TEMP_MAX(2),
- SENSOR_ATTR_TEMP_MAX(3),
- SENSOR_ATTR_TEMP_MAX(4),
- SENSOR_ATTR_TEMP_MAX(5),
- SENSOR_ATTR_TEMP_MAX(6),
- SENSOR_ATTR_TEMP_MAX(7),
+ show_temp, set_temp, SHOW_SET_TEMP_MAX, ix-1), \
+ SENSOR_ATTR_2(temp##ix##_max_hyst, S_IRUGO | S_IWUSR, \
+ show_temp, set_temp, SHOW_SET_TEMP_MAX_HYST, ix-1), \
+ SENSOR_ATTR_2(temp##ix##_alarm, S_IRUGO, \
+ show_temp, NULL, SHOW_TEMP_ALARM, ix-1) \
+}
+
+static struct sensor_device_attribute_2 vt1211_sysfs_temp[][4] = {
+ SENSOR_ATTR_TEMP(1),
+ SENSOR_ATTR_TEMP(2),
+ SENSOR_ATTR_TEMP(3),
+ SENSOR_ATTR_TEMP(4),
+ SENSOR_ATTR_TEMP(5),
+ SENSOR_ATTR_TEMP(6),
+ SENSOR_ATTR_TEMP(7),
};
-#define SENSOR_ATTR_TEMP_MAX_HYST(ix) \
- SENSOR_ATTR_2(temp##ix##_max_hyst, S_IRUGO | S_IWUSR, \
- show_temp, set_temp, SHOW_SET_TEMP_MAX_HYST, ix-1)
-
-static struct sensor_device_attribute_2 vt1211_sysfs_temp_max_hyst[] = {
- SENSOR_ATTR_TEMP_MAX_HYST(1),
- SENSOR_ATTR_TEMP_MAX_HYST(2),
- SENSOR_ATTR_TEMP_MAX_HYST(3),
- SENSOR_ATTR_TEMP_MAX_HYST(4),
- SENSOR_ATTR_TEMP_MAX_HYST(5),
- SENSOR_ATTR_TEMP_MAX_HYST(6),
- SENSOR_ATTR_TEMP_MAX_HYST(7),
+#define TEMP_UNIT_ATTRS(X) \
+{ &vt1211_sysfs_temp[X][0].dev_attr.attr, \
+ &vt1211_sysfs_temp[X][1].dev_attr.attr, \
+ &vt1211_sysfs_temp[X][2].dev_attr.attr, \
+ &vt1211_sysfs_temp[X][3].dev_attr.attr, \
+ NULL \
+}
+
+static struct attribute *vt1211_temp_attr[][5] = {
+ TEMP_UNIT_ATTRS(0),
+ TEMP_UNIT_ATTRS(1),
+ TEMP_UNIT_ATTRS(2),
+ TEMP_UNIT_ATTRS(3),
+ TEMP_UNIT_ATTRS(4),
+ TEMP_UNIT_ATTRS(5),
+ TEMP_UNIT_ATTRS(6)
};
-#define SENSOR_ATTR_TEMP_ALARM(ix) \
- SENSOR_ATTR_2(temp##ix##_alarm, S_IRUGO, \
- show_temp, NULL, SHOW_TEMP_ALARM, ix-1)
-
-static struct sensor_device_attribute_2 vt1211_sysfs_temp_alarm[] = {
- SENSOR_ATTR_TEMP_ALARM(1),
- SENSOR_ATTR_TEMP_ALARM(2),
- SENSOR_ATTR_TEMP_ALARM(3),
- SENSOR_ATTR_TEMP_ALARM(4),
- SENSOR_ATTR_TEMP_ALARM(5),
- SENSOR_ATTR_TEMP_ALARM(6),
- SENSOR_ATTR_TEMP_ALARM(7),
+static const struct attribute_group vt1211_temp_attr_group[] = {
+ { .attrs = vt1211_temp_attr[0] },
+ { .attrs = vt1211_temp_attr[1] },
+ { .attrs = vt1211_temp_attr[2] },
+ { .attrs = vt1211_temp_attr[3] },
+ { .attrs = vt1211_temp_attr[4] },
+ { .attrs = vt1211_temp_attr[5] },
+ { .attrs = vt1211_temp_attr[6] }
};
#define SENSOR_ATTR_FAN(ix) \
@@ -1069,7 +1099,8 @@ static void __devinit vt1211_init_device(struct vt1211_data *data)
vt1211_write8(data, VT1211_REG_UCH_CONFIG, data->uch_config);
}
- /* Initialize the interrupt mode (if request at module load time).
+ /*
+ * Initialize the interrupt mode (if request at module load time).
* The VT1211 implements 3 different modes for clearing interrupts:
* 0: Clear INT when status register is read. Regenerate INT as long
* as temp stays above hysteresis limit.
@@ -1079,7 +1110,8 @@ static void __devinit vt1211_init_device(struct vt1211_data *data)
* 2: Clear INT when temp falls below max limit.
*
* The driver only allows to force mode 0 since that's the only one
- * that makes sense for 'sensors' */
+ * that makes sense for 'sensors'
+ */
if (int_mode == 0) {
vt1211_write8(data, VT1211_REG_TEMP1_CONFIG, 0);
vt1211_write8(data, VT1211_REG_TEMP2_CONFIG, 0);
@@ -1095,33 +1127,18 @@ static void vt1211_remove_sysfs(struct platform_device *pdev)
struct device *dev = &pdev->dev;
int i;
- for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_in_input); i++) {
- device_remove_file(dev,
- &vt1211_sysfs_in_input[i].dev_attr);
- device_remove_file(dev,
- &vt1211_sysfs_in_min[i].dev_attr);
- device_remove_file(dev,
- &vt1211_sysfs_in_max[i].dev_attr);
- device_remove_file(dev,
- &vt1211_sysfs_in_alarm[i].dev_attr);
- }
- for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_temp_input); i++) {
- device_remove_file(dev,
- &vt1211_sysfs_temp_input[i].dev_attr);
- device_remove_file(dev,
- &vt1211_sysfs_temp_max[i].dev_attr);
- device_remove_file(dev,
- &vt1211_sysfs_temp_max_hyst[i].dev_attr);
- device_remove_file(dev,
- &vt1211_sysfs_temp_alarm[i].dev_attr);
- }
+ for (i = 0; i < ARRAY_SIZE(vt1211_in_attr_group); i++)
+ sysfs_remove_group(&dev->kobj, &vt1211_in_attr_group[i]);
+
+ for (i = 0; i < ARRAY_SIZE(vt1211_temp_attr_group); i++)
+ sysfs_remove_group(&dev->kobj, &vt1211_temp_attr_group[i]);
+
for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_fan_pwm); i++) {
device_remove_file(dev,
&vt1211_sysfs_fan_pwm[i].dev_attr);
}
- for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_misc); i++) {
+ for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_misc); i++)
device_remove_file(dev, &vt1211_sysfs_misc[i]);
- }
}
static int __devinit vt1211_probe(struct platform_device *pdev)
@@ -1131,7 +1148,8 @@ static int __devinit vt1211_probe(struct platform_device *pdev)
struct resource *res;
int i, err;
- if (!(data = kzalloc(sizeof(struct vt1211_data), GFP_KERNEL))) {
+ data = kzalloc(sizeof(struct vt1211_data), GFP_KERNEL);
+ if (!data) {
err = -ENOMEM;
dev_err(dev, "Out of memory\n");
goto EXIT;
@@ -1154,47 +1172,33 @@ static int __devinit vt1211_probe(struct platform_device *pdev)
vt1211_init_device(data);
/* Create sysfs interface files */
- for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_in_input); i++) {
+ for (i = 0; i < ARRAY_SIZE(vt1211_in_attr_group); i++) {
if (ISVOLT(i, data->uch_config)) {
- if ((err = device_create_file(dev,
- &vt1211_sysfs_in_input[i].dev_attr)) ||
- (err = device_create_file(dev,
- &vt1211_sysfs_in_min[i].dev_attr)) ||
- (err = device_create_file(dev,
- &vt1211_sysfs_in_max[i].dev_attr)) ||
- (err = device_create_file(dev,
- &vt1211_sysfs_in_alarm[i].dev_attr))) {
+ err = sysfs_create_group(&dev->kobj,
+ &vt1211_in_attr_group[i]);
+ if (err)
goto EXIT_DEV_REMOVE;
- }
}
}
- for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_temp_input); i++) {
+ for (i = 0; i < ARRAY_SIZE(vt1211_temp_attr_group); i++) {
if (ISTEMP(i, data->uch_config)) {
- if ((err = device_create_file(dev,
- &vt1211_sysfs_temp_input[i].dev_attr)) ||
- (err = device_create_file(dev,
- &vt1211_sysfs_temp_max[i].dev_attr)) ||
- (err = device_create_file(dev,
- &vt1211_sysfs_temp_max_hyst[i].dev_attr)) ||
- (err = device_create_file(dev,
- &vt1211_sysfs_temp_alarm[i].dev_attr))) {
+ err = sysfs_create_group(&dev->kobj,
+ &vt1211_temp_attr_group[i]);
+ if (err)
goto EXIT_DEV_REMOVE;
- }
}
}
for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_fan_pwm); i++) {
err = device_create_file(dev,
&vt1211_sysfs_fan_pwm[i].dev_attr);
- if (err) {
+ if (err)
goto EXIT_DEV_REMOVE;
- }
}
for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_misc); i++) {
err = device_create_file(dev,
&vt1211_sysfs_misc[i]);
- if (err) {
+ if (err)
goto EXIT_DEV_REMOVE;
- }
}
/* Register device */
@@ -1293,9 +1297,8 @@ static int __init vt1211_find(int sio_cip, unsigned short *address)
superio_enter(sio_cip);
devid = force_id ? force_id : superio_inb(sio_cip, SIO_VT1211_DEVID);
- if (devid != SIO_VT1211_ID) {
+ if (devid != SIO_VT1211_ID)
goto EXIT;
- }
superio_select(sio_cip, SIO_VT1211_LDN_HWMON);
@@ -1325,35 +1328,35 @@ static int __init vt1211_init(void)
int err;
unsigned short address = 0;
- if ((err = vt1211_find(SIO_REG_CIP1, &address)) &&
- (err = vt1211_find(SIO_REG_CIP2, &address))) {
- goto EXIT;
+ err = vt1211_find(SIO_REG_CIP1, &address);
+ if (err) {
+ err = vt1211_find(SIO_REG_CIP2, &address);
+ if (err)
+ goto EXIT;
}
if ((uch_config < -1) || (uch_config > 31)) {
err = -EINVAL;
pr_warn("Invalid UCH configuration %d. "
"Choose a value between 0 and 31.\n", uch_config);
- goto EXIT;
+ goto EXIT;
}
if ((int_mode < -1) || (int_mode > 0)) {
err = -EINVAL;
pr_warn("Invalid interrupt mode %d. "
"Only mode 0 is supported.\n", int_mode);
- goto EXIT;
+ goto EXIT;
}
err = platform_driver_register(&vt1211_driver);
- if (err) {
+ if (err)
goto EXIT;
- }
/* Sets global pdev as a side effect */
err = vt1211_device_add(address);
- if (err) {
+ if (err)
goto EXIT_DRV_UNREGISTER;
- }
return 0;
diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c
index db3b2e8d2a6..386a8453801 100644
--- a/drivers/hwmon/vt8231.c
+++ b/drivers/hwmon/vt8231.c
@@ -1,28 +1,29 @@
/*
- vt8231.c - Part of lm_sensors, Linux kernel modules
- for hardware monitoring
+ * vt8231.c - Part of lm_sensors, Linux kernel modules
+ * for hardware monitoring
+ *
+ * Copyright (c) 2005 Roger Lucas <vt8231@hiddenengine.co.uk>
+ * Copyright (c) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
+ * Aaron M. Marsh <amarsh@sdf.lonestar.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
- Copyright (c) 2005 Roger Lucas <vt8231@hiddenengine.co.uk>
- Copyright (c) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
- Aaron M. Marsh <amarsh@sdf.lonestar.org>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-/* Supports VIA VT8231 South Bridge embedded sensors
-*/
+/*
+ * Supports VIA VT8231 South Bridge embedded sensors
+ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -50,26 +51,27 @@ static struct platform_device *pdev;
#define VT8231_BASE_REG 0x70
#define VT8231_ENABLE_REG 0x74
-/* The VT8231 registers
-
- The reset value for the input channel configuration is used (Reg 0x4A=0x07)
- which sets the selected inputs marked with '*' below if multiple options are
- possible:
-
- Voltage Mode Temperature Mode
- Sensor Linux Id Linux Id VIA Id
- -------- -------- -------- ------
- CPU Diode N/A temp1 0
- UIC1 in0 temp2 * 1
- UIC2 in1 * temp3 2
- UIC3 in2 * temp4 3
- UIC4 in3 * temp5 4
- UIC5 in4 * temp6 5
- 3.3V in5 N/A
-
- Note that the BIOS may set the configuration register to a different value
- to match the motherboard configuration.
-*/
+/*
+ * The VT8231 registers
+ *
+ * The reset value for the input channel configuration is used (Reg 0x4A=0x07)
+ * which sets the selected inputs marked with '*' below if multiple options are
+ * possible:
+ *
+ * Voltage Mode Temperature Mode
+ * Sensor Linux Id Linux Id VIA Id
+ * -------- -------- -------- ------
+ * CPU Diode N/A temp1 0
+ * UIC1 in0 temp2 * 1
+ * UIC2 in1 * temp3 2
+ * UIC3 in2 * temp4 3
+ * UIC4 in3 * temp5 4
+ * UIC5 in4 * temp6 5
+ * 3.3V in5 N/A
+ *
+ * Note that the BIOS may set the configuration register to a different value
+ * to match the motherboard configuration.
+ */
/* fans numbered 0-1 */
#define VT8231_REG_FAN_MIN(nr) (0x3b + (nr))
@@ -81,13 +83,14 @@ static const u8 regvolt[] = { 0x21, 0x22, 0x23, 0x24, 0x25, 0x26 };
static const u8 regvoltmax[] = { 0x3d, 0x2b, 0x2d, 0x2f, 0x31, 0x33 };
static const u8 regvoltmin[] = { 0x3e, 0x2c, 0x2e, 0x30, 0x32, 0x34 };
-/* Temperatures are numbered 1-6 according to the Linux kernel specification.
-**
-** In the VIA datasheet, however, the temperatures are numbered from zero.
-** Since it is important that this driver can easily be compared to the VIA
-** datasheet, we will use the VIA numbering within this driver and map the
-** kernel sysfs device name to the VIA number in the sysfs callback.
-*/
+/*
+ * Temperatures are numbered 1-6 according to the Linux kernel specification.
+ *
+ * In the VIA datasheet, however, the temperatures are numbered from zero.
+ * Since it is important that this driver can easily be compared to the VIA
+ * datasheet, we will use the VIA numbering within this driver and map the
+ * kernel sysfs device name to the VIA number in the sysfs callback.
+ */
#define VT8231_REG_TEMP_LOW01 0x49
#define VT8231_REG_TEMP_LOW25 0x4d
@@ -108,9 +111,10 @@ static const u8 regtempmin[] = { 0x3a, 0x3e, 0x2c, 0x2e, 0x30, 0x32 };
#define VT8231_REG_TEMP1_CONFIG 0x4b
#define VT8231_REG_TEMP2_CONFIG 0x4c
-/* temps 0-5 as numbered in VIA datasheet - see later for mapping to Linux
-** numbering
-*/
+/*
+ * temps 0-5 as numbered in VIA datasheet - see later for mapping to Linux
+ * numbering
+ */
#define ISTEMP(i, ch_config) ((i) == 0 ? 1 : \
((ch_config) >> ((i)+1)) & 0x01)
/* voltages 0-5 */
@@ -119,24 +123,26 @@ static const u8 regtempmin[] = { 0x3a, 0x3e, 0x2c, 0x2e, 0x30, 0x32 };
#define DIV_FROM_REG(val) (1 << (val))
-/* NB The values returned here are NOT temperatures. The calibration curves
-** for the thermistor curves are board-specific and must go in the
-** sensors.conf file. Temperature sensors are actually ten bits, but the
-** VIA datasheet only considers the 8 MSBs obtained from the regtemp[]
-** register. The temperature value returned should have a magnitude of 3,
-** so we use the VIA scaling as the "true" scaling and use the remaining 2
-** LSBs as fractional precision.
-**
-** All the on-chip hardware temperature comparisons for the alarms are only
-** 8-bits wide, and compare against the 8 MSBs of the temperature. The bits
-** in the registers VT8231_REG_TEMP_LOW01 and VT8231_REG_TEMP_LOW25 are
-** ignored.
-*/
-
-/******** FAN RPM CONVERSIONS ********
-** This chip saturates back at 0, not at 255 like many the other chips.
-** So, 0 means 0 RPM
-*/
+/*
+ * NB The values returned here are NOT temperatures. The calibration curves
+ * for the thermistor curves are board-specific and must go in the
+ * sensors.conf file. Temperature sensors are actually ten bits, but the
+ * VIA datasheet only considers the 8 MSBs obtained from the regtemp[]
+ * register. The temperature value returned should have a magnitude of 3,
+ * so we use the VIA scaling as the "true" scaling and use the remaining 2
+ * LSBs as fractional precision.
+ *
+ * All the on-chip hardware temperature comparisons for the alarms are only
+ * 8-bits wide, and compare against the 8 MSBs of the temperature. The bits
+ * in the registers VT8231_REG_TEMP_LOW01 and VT8231_REG_TEMP_LOW25 are
+ * ignored.
+ */
+
+/*
+ ****** FAN RPM CONVERSIONS ********
+ * This chip saturates back at 0, not at 255 like many the other chips.
+ * So, 0 means 0 RPM
+ */
static inline u8 FAN_TO_REG(long rpm, int div)
{
if (rpm == 0)
@@ -222,7 +228,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
struct vt8231_data *data = dev_get_drvdata(dev);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_min[nr] = SENSORS_LIMIT(((val * 958) / 10000) + 3, 0, 255);
@@ -237,7 +248,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
struct vt8231_data *data = dev_get_drvdata(dev);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_max[nr] = SENSORS_LIMIT(((val * 958) / 10000) + 3, 0, 255);
@@ -278,7 +294,12 @@ static ssize_t set_in5_min(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct vt8231_data *data = dev_get_drvdata(dev);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_min[5] = SENSORS_LIMIT(((val * 958 * 34) / (10000 * 54)) + 3,
@@ -292,7 +313,12 @@ static ssize_t set_in5_max(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct vt8231_data *data = dev_get_drvdata(dev);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_max[5] = SENSORS_LIMIT(((val * 958 * 34) / (10000 * 54)) + 3,
@@ -346,7 +372,12 @@ static ssize_t set_temp0_max(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct vt8231_data *data = dev_get_drvdata(dev);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_max[0] = SENSORS_LIMIT((val + 500) / 1000, 0, 255);
@@ -358,7 +389,12 @@ static ssize_t set_temp0_min(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct vt8231_data *data = dev_get_drvdata(dev);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_min[0] = SENSORS_LIMIT((val + 500) / 1000, 0, 255);
@@ -400,7 +436,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
struct vt8231_data *data = dev_get_drvdata(dev);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_max[nr] = SENSORS_LIMIT(TEMP_MAXMIN_TO_REG(val), 0, 255);
@@ -414,7 +455,12 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
struct vt8231_data *data = dev_get_drvdata(dev);
- int val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_min[nr] = SENSORS_LIMIT(TEMP_MAXMIN_TO_REG(val), 0, 255);
@@ -423,9 +469,10 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
return count;
}
-/* Note that these map the Linux temperature sensor numbering (1-6) to the VIA
-** temperature sensor numbering (0-5)
-*/
+/*
+ * Note that these map the Linux temperature sensor numbering (1-6) to the VIA
+ * temperature sensor numbering (0-5)
+ */
#define define_temperature_sysfs(offset) \
static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
show_temp, NULL, offset - 1); \
@@ -436,7 +483,8 @@ static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO | S_IWUSR, \
static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp0, NULL);
static DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp0_max, set_temp0_max);
-static DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp0_min, set_temp0_min);
+static DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp0_min,
+ set_temp0_min);
define_temperature_sysfs(2);
define_temperature_sysfs(3);
@@ -480,7 +528,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
struct vt8231_data *data = dev_get_drvdata(dev);
- int val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -494,21 +547,34 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
{
struct vt8231_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
int nr = sensor_attr->index;
int old = vt8231_read_value(data, VT8231_REG_FANDIV);
long min = FAN_FROM_REG(data->fan_min[nr],
DIV_FROM_REG(data->fan_div[nr]));
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
switch (val) {
- case 1: data->fan_div[nr] = 0; break;
- case 2: data->fan_div[nr] = 1; break;
- case 4: data->fan_div[nr] = 2; break;
- case 8: data->fan_div[nr] = 3; break;
+ case 1:
+ data->fan_div[nr] = 0;
+ break;
+ case 2:
+ data->fan_div[nr] = 1;
+ break;
+ case 4:
+ data->fan_div[nr] = 2;
+ break;
+ case 8:
+ data->fan_div[nr] = 3;
+ break;
default:
dev_err(dev, "fan_div value %ld not supported. "
- "Choose one of 1, 2, 4 or 8!\n", val);
+ "Choose one of 1, 2, 4 or 8!\n", val);
mutex_unlock(&data->update_lock);
return -EINVAL;
}
@@ -699,7 +765,7 @@ static struct platform_driver vt8231_driver = {
.remove = __devexit_p(vt8231_remove),
};
-static const struct pci_device_id vt8231_pci_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(vt8231_pci_ids) = {
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231_4) },
{ 0, }
};
@@ -707,7 +773,7 @@ static const struct pci_device_id vt8231_pci_ids[] = {
MODULE_DEVICE_TABLE(pci, vt8231_pci_ids);
static int __devinit vt8231_pci_probe(struct pci_dev *dev,
- const struct pci_device_id *id);
+ const struct pci_device_id *id);
static struct pci_driver vt8231_pci_driver = {
.name = "vt8231",
@@ -730,7 +796,8 @@ static int vt8231_probe(struct platform_device *pdev)
return -ENODEV;
}
- if (!(data = kzalloc(sizeof(struct vt8231_data), GFP_KERNEL))) {
+ data = kzalloc(sizeof(struct vt8231_data), GFP_KERNEL);
+ if (!data) {
err = -ENOMEM;
goto exit_release;
}
@@ -743,7 +810,8 @@ static int vt8231_probe(struct platform_device *pdev)
vt8231_init_device(data);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&pdev->dev.kobj, &vt8231_group)))
+ err = sysfs_create_group(&pdev->dev.kobj, &vt8231_group);
+ if (err)
goto exit_free;
/* Must update device information to find out the config field */
@@ -751,16 +819,18 @@ static int vt8231_probe(struct platform_device *pdev)
for (i = 0; i < ARRAY_SIZE(vt8231_group_temps); i++) {
if (ISTEMP(i, data->uch_config)) {
- if ((err = sysfs_create_group(&pdev->dev.kobj,
- &vt8231_group_temps[i])))
+ err = sysfs_create_group(&pdev->dev.kobj,
+ &vt8231_group_temps[i]);
+ if (err)
goto exit_remove_files;
}
}
for (i = 0; i < ARRAY_SIZE(vt8231_group_volts); i++) {
if (ISVOLT(i, data->uch_config)) {
- if ((err = sysfs_create_group(&pdev->dev.kobj,
- &vt8231_group_volts[i])))
+ err = sysfs_create_group(&pdev->dev.kobj,
+ &vt8231_group_volts[i]);
+ if (err)
goto exit_remove_files;
}
}
@@ -866,17 +936,15 @@ static struct vt8231_data *vt8231_update_device(struct device *dev)
(vt8231_read_value(data, VT8231_REG_ALARM2) << 8);
/* Set alarm flags correctly */
- if (!data->fan[0] && data->fan_min[0]) {
+ if (!data->fan[0] && data->fan_min[0])
data->alarms |= 0x40;
- } else if (data->fan[0] && !data->fan_min[0]) {
+ else if (data->fan[0] && !data->fan_min[0])
data->alarms &= ~0x40;
- }
- if (!data->fan[1] && data->fan_min[1]) {
+ if (!data->fan[1] && data->fan_min[1])
data->alarms |= 0x80;
- } else if (data->fan[1] && !data->fan_min[1]) {
+ else if (data->fan[1] && !data->fan_min[1])
data->alarms &= ~0x80;
- }
data->last_updated = jiffies;
data->valid = 1;
@@ -971,13 +1039,16 @@ static int __devinit vt8231_pci_probe(struct pci_dev *dev,
if (vt8231_device_add(address))
goto exit_unregister;
- /* Always return failure here. This is to allow other drivers to bind
+ /*
+ * Always return failure here. This is to allow other drivers to bind
* to this pci device. We don't really want to have control over the
* pci device, we only wanted to read as few register values from it.
*/
- /* We do, however, mark ourselves as using the PCI device to stop it
- getting unloaded. */
+ /*
+ * We do, however, mark ourselves as using the PCI device to stop it
+ * getting unloaded.
+ */
s_bridge = pci_dev_get(dev);
return -ENODEV;
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index a658d62c5e1..a25350cf955 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -1,50 +1,49 @@
/*
- w83627ehf - Driver for the hardware monitoring functionality of
- the Winbond W83627EHF Super-I/O chip
- Copyright (C) 2005-2011 Jean Delvare <khali@linux-fr.org>
- Copyright (C) 2006 Yuan Mu (Winbond),
- Rudolf Marek <r.marek@assembler.cz>
- David Hubbard <david.c.hubbard@gmail.com>
- Daniel J Blueman <daniel.blueman@gmail.com>
- Copyright (C) 2010 Sheng-Yuan Huang (Nuvoton) (PS00)
-
- Shamelessly ripped from the w83627hf driver
- Copyright (C) 2003 Mark Studebaker
-
- Thanks to Leon Moonen, Steve Cliffe and Grant Coady for their help
- in testing and debugging this driver.
-
- This driver also supports the W83627EHG, which is the lead-free
- version of the W83627EHF.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-
- Supports the following chips:
-
- Chip #vin #fan #pwm #temp chip IDs man ID
- w83627ehf 10 5 4 3 0x8850 0x88 0x5ca3
- 0x8860 0xa1
- w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3
- w83627dhg-p 9 5 4 3 0xb070 0xc1 0x5ca3
- w83627uhg 8 2 2 3 0xa230 0xc1 0x5ca3
- w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3
- w83667hg-b 9 5 3 4 0xb350 0xc1 0x5ca3
- nct6775f 9 4 3 9 0xb470 0xc1 0x5ca3
- nct6776f 9 5 3 9 0xC330 0xc1 0x5ca3
-*/
+ * w83627ehf - Driver for the hardware monitoring functionality of
+ * the Winbond W83627EHF Super-I/O chip
+ * Copyright (C) 2005-2011 Jean Delvare <khali@linux-fr.org>
+ * Copyright (C) 2006 Yuan Mu (Winbond),
+ * Rudolf Marek <r.marek@assembler.cz>
+ * David Hubbard <david.c.hubbard@gmail.com>
+ * Daniel J Blueman <daniel.blueman@gmail.com>
+ * Copyright (C) 2010 Sheng-Yuan Huang (Nuvoton) (PS00)
+ *
+ * Shamelessly ripped from the w83627hf driver
+ * Copyright (C) 2003 Mark Studebaker
+ *
+ * Thanks to Leon Moonen, Steve Cliffe and Grant Coady for their help
+ * in testing and debugging this driver.
+ *
+ * This driver also supports the W83627EHG, which is the lead-free
+ * version of the W83627EHF.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Supports the following chips:
+ *
+ * Chip #vin #fan #pwm #temp chip IDs man ID
+ * w83627ehf 10 5 4 3 0x8850 0x88 0x5ca3
+ * 0x8860 0xa1
+ * w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3
+ * w83627dhg-p 9 5 4 3 0xb070 0xc1 0x5ca3
+ * w83627uhg 8 2 2 3 0xa230 0xc1 0x5ca3
+ * w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3
+ * w83667hg-b 9 5 3 4 0xb350 0xc1 0x5ca3
+ * nct6775f 9 4 3 9 0xb470 0xc1 0x5ca3
+ * nct6776f 9 5 3 9 0xC330 0xc1 0x5ca3
+ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -164,11 +163,13 @@ superio_exit(int ioreg)
#define W83627EHF_REG_BANK 0x4E
#define W83627EHF_REG_CONFIG 0x40
-/* Not currently used:
+/*
+ * Not currently used:
* REG_MAN_ID has the value 0x5ca3 for all supported chips.
* REG_CHIP_ID == 0x88/0xa1/0xc1 depending on chip model.
* REG_MAN_ID is at port 0x4f
- * REG_CHIP_ID is at port 0x58 */
+ * REG_CHIP_ID is at port 0x58
+ */
static const u16 W83627EHF_REG_FAN[] = { 0x28, 0x29, 0x2a, 0x3f, 0x553 };
static const u16 W83627EHF_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d, 0x3e, 0x55c };
@@ -239,6 +240,8 @@ static const u16 W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B[] = { 0x67, 0x69, 0x6b };
static const u16 W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B[]
= { 0x68, 0x6a, 0x6c };
+static const u16 W83627EHF_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 };
+
static const u16 NCT6775_REG_TARGET[] = { 0x101, 0x201, 0x301 };
static const u16 NCT6775_REG_FAN_MODE[] = { 0x102, 0x202, 0x302 };
static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = { 0x105, 0x205, 0x305 };
@@ -393,8 +396,10 @@ div_from_reg(u8 reg)
return 1 << reg;
}
-/* Some of the voltage inputs have internal scaling, the tables below
- * contain 8 (the ADC LSB in mV) * scaling factor * 100 */
+/*
+ * Some of the voltage inputs have internal scaling, the tables below
+ * contain 8 (the ADC LSB in mV) * scaling factor * 100
+ */
static const u16 scale_in_common[10] = {
800, 800, 1600, 1600, 800, 800, 800, 1600, 1600, 800
};
@@ -462,6 +467,7 @@ struct w83627ehf_data {
u8 has_fan_min; /* some fans don't have min register */
bool has_fan_div;
u8 temp_type[3];
+ s8 temp_offset[3];
s16 temp[9];
s16 temp_max[9];
s16 temp_max_hyst[9];
@@ -470,12 +476,13 @@ struct w83627ehf_data {
u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */
u8 pwm_enable[4]; /* 1->manual
- 2->thermal cruise mode (also called SmartFan I)
- 3->fan speed cruise mode
- 4->variable thermal cruise (also called
- SmartFan III)
- 5->enhanced variable thermal cruise (also called
- SmartFan IV) */
+ * 2->thermal cruise mode (also called SmartFan I)
+ * 3->fan speed cruise mode
+ * 4->variable thermal cruise (also called
+ * SmartFan III)
+ * 5->enhanced variable thermal cruise (also called
+ * SmartFan IV)
+ */
u8 pwm_enable_orig[4]; /* original value of pwm_enable */
u8 pwm_num; /* number of pwm */
u8 pwm[4];
@@ -492,6 +499,7 @@ struct w83627ehf_data {
u8 vrm;
u16 have_temp;
+ u16 have_temp_offset;
u8 in6_skip:1;
u8 temp3_val_only:1;
};
@@ -816,9 +824,11 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
data->fan_min[i] = w83627ehf_read_value(data,
data->REG_FAN_MIN[i]);
- /* If we failed to measure the fan speed and clock
- divider can be increased, let's try that for next
- time */
+ /*
+ * If we failed to measure the fan speed and clock
+ * divider can be increased, let's try that for next
+ * time
+ */
if (data->has_fan_div
&& (reg >= 0xff || (sio_data->kind == nct6775
&& reg == 0x00))
@@ -887,6 +897,10 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
data->temp_max_hyst[i]
= w83627ehf_read_temp(data,
data->reg_temp_hyst[i]);
+ if (data->have_temp_offset & (1 << i))
+ data->temp_offset[i]
+ = w83627ehf_read_value(data,
+ W83627EHF_REG_TEMP_OFFSET[i]);
}
data->alarms = w83627ehf_read_value(data,
@@ -1081,25 +1095,31 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
new_div = data->fan_div[nr]; /* No change */
dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1);
} else if ((reg = 1350000U / val) >= 128 * 255) {
- /* Speed below this value cannot possibly be represented,
- even with the highest divider (128) */
+ /*
+ * Speed below this value cannot possibly be represented,
+ * even with the highest divider (128)
+ */
data->fan_min[nr] = 254;
new_div = 7; /* 128 == (1 << 7) */
dev_warn(dev, "fan%u low limit %lu below minimum %u, set to "
"minimum\n", nr + 1, val,
data->fan_from_reg_min(254, 7));
} else if (!reg) {
- /* Speed above this value cannot possibly be represented,
- even with the lowest divider (1) */
+ /*
+ * Speed above this value cannot possibly be represented,
+ * even with the lowest divider (1)
+ */
data->fan_min[nr] = 1;
new_div = 0; /* 1 == (1 << 0) */
dev_warn(dev, "fan%u low limit %lu above maximum %u, set to "
"maximum\n", nr + 1, val,
data->fan_from_reg_min(1, 0));
} else {
- /* Automatically pick the best divider, i.e. the one such
- that the min limit will correspond to a register value
- in the 96..192 range */
+ /*
+ * Automatically pick the best divider, i.e. the one such
+ * that the min limit will correspond to a register value
+ * in the 96..192 range
+ */
new_div = 0;
while (reg > 192 && new_div < 7) {
reg >>= 1;
@@ -1108,8 +1128,10 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
data->fan_min[nr] = reg;
}
- /* Write both the fan clock divider (if it changed) and the new
- fan min (unconditionally) */
+ /*
+ * Write both the fan clock divider (if it changed) and the new
+ * fan min (unconditionally)
+ */
if (new_div != data->fan_div[nr]) {
dev_dbg(dev, "fan%u clock divider changed from %u to %u\n",
nr + 1, div_from_reg(data->fan_div[nr]),
@@ -1212,6 +1234,39 @@ store_temp_reg(reg_temp_over, temp_max);
store_temp_reg(reg_temp_hyst, temp_max_hyst);
static ssize_t
+show_temp_offset(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct w83627ehf_data *data = w83627ehf_update_device(dev);
+ struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+
+ return sprintf(buf, "%d\n",
+ data->temp_offset[sensor_attr->index] * 1000);
+}
+
+static ssize_t
+store_temp_offset(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct w83627ehf_data *data = dev_get_drvdata(dev);
+ struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ int nr = sensor_attr->index;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err < 0)
+ return err;
+
+ val = SENSORS_LIMIT(DIV_ROUND_CLOSEST(val, 1000), -128, 127);
+
+ mutex_lock(&data->update_lock);
+ data->temp_offset[nr] = val;
+ w83627ehf_write_value(data, W83627EHF_REG_TEMP_OFFSET[nr], val);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+static ssize_t
show_temp_type(struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83627ehf_data *data = w83627ehf_update_device(dev);
@@ -1298,6 +1353,15 @@ static struct sensor_device_attribute sda_temp_type[] = {
SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2),
};
+static struct sensor_device_attribute sda_temp_offset[] = {
+ SENSOR_ATTR(temp1_offset, S_IRUGO | S_IWUSR, show_temp_offset,
+ store_temp_offset, 0),
+ SENSOR_ATTR(temp2_offset, S_IRUGO | S_IWUSR, show_temp_offset,
+ store_temp_offset, 1),
+ SENSOR_ATTR(temp3_offset, S_IRUGO | S_IWUSR, show_temp_offset,
+ store_temp_offset, 2),
+};
+
#define show_pwm_reg(reg) \
static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
char *buf) \
@@ -1736,8 +1800,10 @@ static struct sensor_device_attribute_2 sda_caseopen[] = {
static void w83627ehf_device_remove_files(struct device *dev)
{
- /* some entries in the following arrays may not have been used in
- * device_create_file(), but device_remove_file() will ignore them */
+ /*
+ * some entries in the following arrays may not have been used in
+ * device_create_file(), but device_remove_file() will ignore them
+ */
int i;
struct w83627ehf_data *data = dev_get_drvdata(dev);
@@ -1788,6 +1854,7 @@ static void w83627ehf_device_remove_files(struct device *dev)
continue;
device_remove_file(dev, &sda_temp_alarm[i].dev_attr);
device_remove_file(dev, &sda_temp_type[i].dev_attr);
+ device_remove_file(dev, &sda_temp_offset[i].dev_attr);
}
device_remove_file(dev, &sda_caseopen[0].dev_attr);
@@ -2110,6 +2177,11 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
} else {
data->temp_label = nct6775_temp_label;
}
+ data->have_temp_offset = data->have_temp & 0x07;
+ for (i = 0; i < 3; i++) {
+ if (data->temp_src[i] > 3)
+ data->have_temp_offset &= ~(1 << i);
+ }
} else if (sio_data->kind == w83667hg_b) {
u8 reg;
@@ -2152,6 +2224,11 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
data->in6_skip = 1;
data->temp_label = w83667hg_b_temp_label;
+ data->have_temp_offset = data->have_temp & 0x07;
+ for (i = 0; i < 3; i++) {
+ if (data->temp_src[i] > 2)
+ data->have_temp_offset &= ~(1 << i);
+ }
} else if (sio_data->kind == w83627uhg) {
u8 reg;
@@ -2188,6 +2265,11 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
data->in6_skip = 1; /* No VIN3 */
data->temp_label = w83667hg_b_temp_label;
+ data->have_temp_offset = data->have_temp & 0x03;
+ for (i = 0; i < 3; i++) {
+ if (data->temp_src[i] > 1)
+ data->have_temp_offset &= ~(1 << i);
+ }
} else {
w83627ehf_set_temp_reg_ehf(data, 3);
@@ -2207,6 +2289,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
else
data->in6_skip = 1;
}
+ data->have_temp_offset = data->have_temp & 0x07;
}
if (sio_data->kind == nct6775) {
@@ -2279,9 +2362,11 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
/* Read VID value */
if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b ||
sio_data->kind == nct6775 || sio_data->kind == nct6776) {
- /* W83667HG has different pins for VID input and output, so
- we can get the VID input values directly at logical device D
- 0xe3. */
+ /*
+ * W83667HG has different pins for VID input and output, so
+ * we can get the VID input values directly at logical device D
+ * 0xe3.
+ */
superio_select(sio_data->sioreg, W83667HG_LD_VID);
data->vid = superio_inb(sio_data->sioreg, 0xe3);
err = device_create_file(dev, &dev_attr_cpu0_vid);
@@ -2290,11 +2375,13 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
} else if (sio_data->kind != w83627uhg) {
superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) {
- /* Set VID input sensibility if needed. In theory the
- BIOS should have set it, but in practice it's not
- always the case. We only do it for the W83627EHF/EHG
- because the W83627DHG is more complex in this
- respect. */
+ /*
+ * Set VID input sensibility if needed. In theory the
+ * BIOS should have set it, but in practice it's not
+ * always the case. We only do it for the W83627EHF/EHG
+ * because the W83627DHG is more complex in this
+ * respect.
+ */
if (sio_data->kind == w83627ehf) {
en_vrm10 = superio_inb(sio_data->sioreg,
SIO_REG_EN_VRM10);
@@ -2468,6 +2555,12 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
|| (err = device_create_file(dev,
&sda_temp_type[i].dev_attr)))
goto exit_remove;
+ if (data->have_temp_offset & (1 << i)) {
+ err = device_create_file(dev,
+ &sda_temp_offset[i].dev_attr);
+ if (err)
+ goto exit_remove;
+ }
}
err = device_create_file(dev, &sda_caseopen[0].dev_attr);
@@ -2616,10 +2709,12 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
return 0;
}
-/* when Super-I/O functions move to a separate file, the Super-I/O
+/*
+ * when Super-I/O functions move to a separate file, the Super-I/O
* bus will manage the lifetime of the device and this module will only keep
* track of the w83627ehf driver. But since we platform_device_alloc(), we
- * must keep track of the device */
+ * must keep track of the device
+ */
static struct platform_device *pdev;
static int __init sensors_w83627ehf_init(void)
@@ -2629,11 +2724,13 @@ static int __init sensors_w83627ehf_init(void)
struct resource res;
struct w83627ehf_sio_data sio_data;
- /* initialize sio_data->kind and sio_data->sioreg.
+ /*
+ * initialize sio_data->kind and sio_data->sioreg.
*
* when Super-I/O functions move to a separate file, the Super-I/O
* driver will probe 0x2e and 0x4e and auto-detect the presence of a
- * w83627ehf hardware monitor, and call probe() */
+ * w83627ehf hardware monitor, and call probe()
+ */
if (w83627ehf_find(0x2e, &address, &sio_data) &&
w83627ehf_find(0x4e, &address, &sio_data))
return -ENODEV;
diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c
index 374118f2b9f..5ce54a29724 100644
--- a/drivers/hwmon/w83627hf.c
+++ b/drivers/hwmon/w83627hf.c
@@ -1,43 +1,43 @@
/*
- w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
- monitoring
- Copyright (c) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>,
- Philip Edelbrock <phil@netroedge.com>,
- and Mark Studebaker <mdsxyz123@yahoo.com>
- Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
- Copyright (c) 2007 Jean Delvare <khali@linux-fr.org>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ * Copyright (c) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>,
+ * Philip Edelbrock <phil@netroedge.com>,
+ * and Mark Studebaker <mdsxyz123@yahoo.com>
+ * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
+ * Copyright (c) 2007 Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
/*
- Supports following chips:
-
- Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
- w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC)
- w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC)
- w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC)
- w83687thf 7 3 3 3 0x90 0x5ca3 no yes(LPC)
- w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC)
-
- For other winbond chips, and for i2c support in the above chips,
- use w83781d.c.
-
- Note: automatic ("cruise") fan control for 697, 637 & 627thf not
- supported yet.
-*/
+ * Supports following chips:
+ *
+ * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
+ * w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC)
+ * w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC)
+ * w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC)
+ * w83687thf 7 3 3 3 0x90 0x5ca3 no yes(LPC)
+ * w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC)
+ *
+ * For other winbond chips, and for i2c support in the above chips,
+ * use w83781d.c.
+ *
+ * Note: automatic ("cruise") fan control for 697, 637 & 627thf not
+ * supported yet.
+ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -80,7 +80,7 @@ module_param(force_id, ushort, 0);
MODULE_PARM_DESC(force_id, "Override the detected device ID");
/* modified from kernel/include/traps.c */
-#define DEV 0x07 /* Register: Logical device select */
+#define DEV 0x07 /* Register: Logical device select */
/* logical device numbers for superio_select (below) */
#define W83627HF_LD_FDC 0x00
@@ -99,7 +99,7 @@ MODULE_PARM_DESC(force_id, "Override the detected device ID");
#define W83627HF_LD_ACPI 0x0a
#define W83627HF_LD_HWM 0x0b
-#define DEVID 0x20 /* Register: Device ID */
+#define DEVID 0x20 /* Register: Device ID */
#define W83627THF_GPIO5_EN 0x30 /* w83627thf only */
#define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */
@@ -248,10 +248,12 @@ static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
#define W83781D_DEFAULT_BETA 3435
-/* Conversions. Limit checking is only done on the TO_REG
- variants. Note that you should be a bit careful with which arguments
- these macros are called: arguments may be evaluated more than once.
- Fixing this is just not worth it. */
+/*
+ * Conversions. Limit checking is only done on the TO_REG
+ * variants. Note that you should be a bit careful with which arguments
+ * these macros are called: arguments may be evaluated more than once.
+ * Fixing this is just not worth it.
+ */
#define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8)/16),0,255))
#define IN_FROM_REG(val) ((val) * 16)
@@ -267,8 +269,10 @@ static inline u8 FAN_TO_REG(long rpm, int div)
#define TEMP_MIN (-128000)
#define TEMP_MAX ( 127000)
-/* TEMP: 0.001C/bit (-128C to +127C)
- REG: 1C/bit, two's complement */
+/*
+ * TEMP: 0.001C/bit (-128C to +127C)
+ * REG: 1C/bit, two's complement
+ */
static u8 TEMP_TO_REG(long temp)
{
int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX);
@@ -294,8 +298,10 @@ static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
{
u8 i;
- /* Only 5 dividers (1 2 4 8 16)
- Search for the nearest available frequency */
+ /*
+ * Only 5 dividers (1 2 4 8 16)
+ * Search for the nearest available frequency
+ */
for (i = 0; i < 4; i++) {
if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
(W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
@@ -313,7 +319,7 @@ static inline unsigned long pwm_freq_from_reg(u8 reg)
/* This should not happen but anyway... */
if (reg == 0)
reg++;
- return (clock / (reg << 8));
+ return clock / (reg << 8);
}
static inline u8 pwm_freq_to_reg(unsigned long val)
{
@@ -321,11 +327,11 @@ static inline u8 pwm_freq_to_reg(unsigned long val)
if (val >= 93750) /* The highest we can do */
return 0x01;
if (val >= 720) /* Use 24 MHz clock */
- return (24000000UL / (val << 8));
+ return 24000000UL / (val << 8);
if (val < 6) /* The lowest we can do */
return 0xFF;
else /* Use 180 kHz clock */
- return (0x80 | (180000UL / (val << 8)));
+ return 0x80 | (180000UL / (val << 8));
}
#define BEEP_MASK_FROM_REG(val) ((val) & 0xff7fff)
@@ -342,11 +348,13 @@ static inline u8 DIV_TO_REG(long val)
break;
val >>= 1;
}
- return ((u8) i);
+ return (u8)i;
}
-/* For each registered chip, we need to keep some data in memory.
- The structure is dynamically allocated. */
+/*
+ * For each registered chip, we need to keep some data in memory.
+ * The structure is dynamically allocated.
+ */
struct w83627hf_data {
unsigned short addr;
const char *name;
@@ -372,11 +380,13 @@ struct w83627hf_data {
u32 beep_mask; /* Register encoding, combined */
u8 pwm[3]; /* Register value */
u8 pwm_enable[3]; /* 1 = manual
- 2 = thermal cruise (also called SmartFan I)
- 3 = fan speed cruise */
+ * 2 = thermal cruise (also called SmartFan I)
+ * 3 = fan speed cruise
+ */
u8 pwm_freq[3]; /* Register value */
u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode;
- 4 = thermistor */
+ * 4 = thermistor
+ */
u8 vrm;
u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */
};
@@ -427,7 +437,12 @@ store_in_min(struct device *dev, struct device_attribute *devattr,
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_min[nr] = IN_TO_REG(val);
@@ -441,7 +456,12 @@ store_in_max(struct device *dev, struct device_attribute *devattr,
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_max[nr] = IN_TO_REG(val);
@@ -506,9 +526,12 @@ static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *a
const char *buf, size_t count)
{
struct w83627hf_data *data = dev_get_drvdata(dev);
- u32 val;
+ unsigned long val;
+ int err;
- val = simple_strtoul(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -533,9 +556,12 @@ static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *a
const char *buf, size_t count)
{
struct w83627hf_data *data = dev_get_drvdata(dev);
- u32 val;
+ unsigned long val;
+ int err;
- val = simple_strtoul(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -584,7 +610,12 @@ store_fan_min(struct device *dev, struct device_attribute *devattr,
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
- u32 val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -645,9 +676,15 @@ store_temp_max(struct device *dev, struct device_attribute *devattr,
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
- u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
+ u16 tmp;
+ long val;
+ int err;
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
+
+ tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
mutex_lock(&data->update_lock);
data->temp_max[nr] = tmp;
w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
@@ -661,9 +698,15 @@ store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
- long val = simple_strtol(buf, NULL, 10);
- u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
+ u16 tmp;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
+ tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
mutex_lock(&data->update_lock);
data->temp_max_hyst[nr] = tmp;
w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
@@ -701,9 +744,12 @@ static ssize_t
store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct w83627hf_data *data = dev_get_drvdata(dev);
- u32 val;
+ unsigned long val;
+ int err;
- val = simple_strtoul(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
data->vrm = val;
return count;
@@ -755,8 +801,11 @@ store_beep_mask(struct device *dev, struct device_attribute *attr,
{
struct w83627hf_data *data = dev_get_drvdata(dev);
unsigned long val;
+ int err;
- val = simple_strtoul(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -791,10 +840,14 @@ store_beep(struct device *dev, struct device_attribute *attr,
{
struct w83627hf_data *data = dev_get_drvdata(dev);
int bitnr = to_sensor_dev_attr(attr)->index;
- unsigned long bit;
u8 reg;
+ unsigned long bit;
+ int err;
+
+ err = kstrtoul(buf, 10, &bit);
+ if (err)
+ return err;
- bit = simple_strtoul(buf, NULL, 10);
if (bit & ~1)
return -EINVAL;
@@ -872,10 +925,12 @@ show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
return sprintf(buf, "%ld\n",
(long) DIV_FROM_REG(data->fan_div[nr]));
}
-/* Note: we save and restore the fan minimum here, because its value is
- determined in part by the fan divisor. This follows the principle of
- least surprise; the user doesn't expect the fan minimum to change just
- because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor. This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
static ssize_t
store_fan_div(struct device *dev, struct device_attribute *devattr,
const char *buf, size_t count)
@@ -884,7 +939,12 @@ store_fan_div(struct device *dev, struct device_attribute *devattr,
struct w83627hf_data *data = dev_get_drvdata(dev);
unsigned long min;
u8 reg;
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -933,7 +993,12 @@ store_pwm(struct device *dev, struct device_attribute *devattr,
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
- u32 val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -974,10 +1039,15 @@ store_pwm_enable(struct device *dev, struct device_attribute *devattr,
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
- unsigned long val = simple_strtoul(buf, NULL, 10);
u8 reg;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
- if (!val || (val > 3)) /* modes 1, 2 and 3 are supported */
+ if (!val || val > 3) /* modes 1, 2 and 3 are supported */
return -EINVAL;
mutex_lock(&data->update_lock);
data->pwm_enable[nr] = val;
@@ -1016,9 +1086,12 @@ store_pwm_freq(struct device *dev, struct device_attribute *devattr,
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
static const u8 mask[]={0xF8, 0x8F};
- u32 val;
+ unsigned long val;
+ int err;
- val = simple_strtoul(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -1060,9 +1133,13 @@ store_temp_type(struct device *dev, struct device_attribute *devattr,
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
- u32 val, tmp;
+ unsigned long val;
+ u32 tmp;
+ int err;
- val = simple_strtoul(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -1290,7 +1367,8 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
goto ERROR0;
}
- if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
+ data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL);
+ if (!data) {
err = -ENOMEM;
goto ERROR1;
}
@@ -1311,7 +1389,8 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
w83627hf_update_fan_div(data);
/* Register common device attributes */
- if ((err = sysfs_create_group(&dev->kobj, &w83627hf_group)))
+ err = sysfs_create_group(&dev->kobj, &w83627hf_group);
+ if (err)
goto ERROR3;
/* Register chip-specific device attributes */
@@ -1387,10 +1466,11 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
}
if (data->type == w83627thf || data->type == w83637hf
- || data->type == w83687thf)
- if ((err = device_create_file(dev,
- &sensor_dev_attr_pwm3.dev_attr)))
+ || data->type == w83687thf) {
+ err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
+ if (err)
goto ERROR4;
+ }
if (data->type == w83637hf || data->type == w83687thf)
if ((err = device_create_file(dev,
@@ -1409,10 +1489,12 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
goto ERROR4;
if (data->type == w83627thf || data->type == w83637hf
- || data->type == w83687thf)
- if ((err = device_create_file(dev,
- &sensor_dev_attr_pwm3_enable.dev_attr)))
+ || data->type == w83687thf) {
+ err = device_create_file(dev,
+ &sensor_dev_attr_pwm3_enable.dev_attr);
+ if (err)
goto ERROR4;
+ }
data->hwmon_dev = hwmon_device_register(dev);
if (IS_ERR(data->hwmon_dev)) {
@@ -1510,8 +1592,10 @@ static int __devinit w83627thf_read_gpio5(struct platform_device *pdev)
goto exit;
}
- /* Make sure the pins are configured for input
- There must be at least five (VRM 9), and possibly 6 (VRM 10) */
+ /*
+ * Make sure the pins are configured for input
+ * There must be at least five (VRM 9), and possibly 6 (VRM 10)
+ */
sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
if ((sel & 0x1f) != 0x1f) {
dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index 17a8fa2d9ae..b03d54a799e 100644
--- a/drivers/hwmon/w83781d.c
+++ b/drivers/hwmon/w83781d.c
@@ -1,37 +1,37 @@
/*
- w83781d.c - Part of lm_sensors, Linux kernel modules for hardware
- monitoring
- Copyright (c) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>,
- Philip Edelbrock <phil@netroedge.com>,
- and Mark Studebaker <mdsxyz123@yahoo.com>
- Copyright (c) 2007 - 2008 Jean Delvare <khali@linux-fr.org>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * w83781d.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ * Copyright (c) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>,
+ * Philip Edelbrock <phil@netroedge.com>,
+ * and Mark Studebaker <mdsxyz123@yahoo.com>
+ * Copyright (c) 2007 - 2008 Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
/*
- Supports following chips:
-
- Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
- as99127f 7 3 0 3 0x31 0x12c3 yes no
- as99127f rev.2 (type_name = as99127f) 0x31 0x5ca3 yes no
- w83781d 7 3 0 3 0x10-1 0x5ca3 yes yes
- w83782d 9 3 2-4 3 0x30 0x5ca3 yes yes
- w83783s 5-6 3 2 1-2 0x40 0x5ca3 yes no
-
-*/
+ * Supports following chips:
+ *
+ * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
+ * as99127f 7 3 0 3 0x31 0x12c3 yes no
+ * as99127f rev.2 (type_name = as99127f) 0x31 0x5ca3 yes no
+ * w83781d 7 3 0 3 0x10-1 0x5ca3 yes yes
+ * w83782d 9 3 2-4 3 0x30 0x5ca3 yes yes
+ * w83783s 5-6 3 2 1-2 0x40 0x5ca3 yes no
+ *
+ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -145,8 +145,10 @@ static const u8 W83781D_REG_PWM[] = { 0x5B, 0x5A, 0x5E, 0x5F };
#define W83781D_REG_I2C_ADDR 0x48
#define W83781D_REG_I2C_SUBADDR 0x4A
-/* The following are undocumented in the data sheets however we
- received the information in an email from Winbond tech support */
+/*
+ * The following are undocumented in the data sheets however we
+ * received the information in an email from Winbond tech support
+ */
/* Sensor selection - not on 781d */
#define W83781D_REG_SCFG1 0x5D
static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
@@ -182,9 +184,9 @@ FAN_FROM_REG(u8 val, int div)
#define TEMP_TO_REG(val) SENSORS_LIMIT((val) / 1000, -127, 128)
#define TEMP_FROM_REG(val) ((val) * 1000)
-#define BEEP_MASK_FROM_REG(val,type) ((type) == as99127f ? \
+#define BEEP_MASK_FROM_REG(val, type) ((type) == as99127f ? \
(~(val)) & 0x7fff : (val) & 0xff7fff)
-#define BEEP_MASK_TO_REG(val,type) ((type) == as99127f ? \
+#define BEEP_MASK_TO_REG(val, type) ((type) == as99127f ? \
(~(val)) & 0x7fff : (val) & 0xff7fff)
#define DIV_FROM_REG(val) (1 << (val))
@@ -238,9 +240,11 @@ struct w83781d_data {
u32 beep_mask; /* Register encoding, combined */
u8 pwm[4]; /* Register value */
u8 pwm2_enable; /* Boolean */
- u16 sens[3]; /* 782D/783S only.
- 1 = pentium diode; 2 = 3904 diode;
- 4 = thermistor */
+ u16 sens[3]; /*
+ * 782D/783S only.
+ * 1 = pentium diode; 2 = 3904 diode;
+ * 4 = thermistor
+ */
u8 vrm;
};
@@ -254,7 +258,7 @@ static void w83781d_init_device(struct device *dev);
/* following are the sysfs callback functions */
#define show_in_reg(reg) \
-static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \
+static ssize_t show_##reg(struct device *dev, struct device_attribute *da, \
char *buf) \
{ \
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
@@ -267,20 +271,21 @@ show_in_reg(in_min);
show_in_reg(in_max);
#define store_in_reg(REG, reg) \
-static ssize_t store_in_##reg (struct device *dev, struct device_attribute \
+static ssize_t store_in_##reg(struct device *dev, struct device_attribute \
*da, const char *buf, size_t count) \
{ \
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
struct w83781d_data *data = dev_get_drvdata(dev); \
int nr = attr->index; \
- u32 val; \
- \
- val = simple_strtoul(buf, NULL, 10); \
- \
+ unsigned long val; \
+ int err = kstrtoul(buf, 10, &val); \
+ if (err) \
+ return err; \
mutex_lock(&data->update_lock); \
data->in_##reg[nr] = IN_TO_REG(val); \
- w83781d_write_value(data, W83781D_REG_IN_##REG(nr), data->in_##reg[nr]); \
- \
+ w83781d_write_value(data, W83781D_REG_IN_##REG(nr), \
+ data->in_##reg[nr]); \
+ \
mutex_unlock(&data->update_lock); \
return count; \
}
@@ -306,12 +311,12 @@ sysfs_in_offsets(7);
sysfs_in_offsets(8);
#define show_fan_reg(reg) \
-static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \
+static ssize_t show_##reg(struct device *dev, struct device_attribute *da, \
char *buf) \
{ \
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
struct w83781d_data *data = w83781d_update_device(dev); \
- return sprintf(buf,"%ld\n", \
+ return sprintf(buf, "%ld\n", \
FAN_FROM_REG(data->reg[attr->index], \
DIV_FROM_REG(data->fan_div[attr->index]))); \
}
@@ -325,9 +330,12 @@ store_fan_min(struct device *dev, struct device_attribute *da,
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct w83781d_data *data = dev_get_drvdata(dev);
int nr = attr->index;
- u32 val;
+ unsigned long val;
+ int err;
- val = simple_strtoul(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->fan_min[nr] =
@@ -350,17 +358,17 @@ static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR,
show_fan_min, store_fan_min, 2);
#define show_temp_reg(reg) \
-static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \
+static ssize_t show_##reg(struct device *dev, struct device_attribute *da, \
char *buf) \
{ \
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
struct w83781d_data *data = w83781d_update_device(dev); \
int nr = attr->index; \
if (nr >= 2) { /* TEMP2 and TEMP3 */ \
- return sprintf(buf,"%d\n", \
+ return sprintf(buf, "%d\n", \
LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \
} else { /* TEMP1 */ \
- return sprintf(buf,"%ld\n", (long)TEMP_FROM_REG(data->reg)); \
+ return sprintf(buf, "%ld\n", (long)TEMP_FROM_REG(data->reg)); \
} \
}
show_temp_reg(temp);
@@ -368,16 +376,16 @@ show_temp_reg(temp_max);
show_temp_reg(temp_max_hyst);
#define store_temp_reg(REG, reg) \
-static ssize_t store_temp_##reg (struct device *dev, \
+static ssize_t store_temp_##reg(struct device *dev, \
struct device_attribute *da, const char *buf, size_t count) \
{ \
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
struct w83781d_data *data = dev_get_drvdata(dev); \
int nr = attr->index; \
long val; \
- \
- val = simple_strtol(buf, NULL, 10); \
- \
+ int err = kstrtol(buf, 10, &val); \
+ if (err) \
+ return err; \
mutex_lock(&data->update_lock); \
\
if (nr >= 2) { /* TEMP2 and TEMP3 */ \
@@ -425,13 +433,17 @@ show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
}
static ssize_t
-store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+store_vrm_reg(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct w83781d_data *data = dev_get_drvdata(dev);
- u32 val;
+ unsigned long val;
+ int err;
- val = simple_strtoul(buf, NULL, 10);
- data->vrm = val;
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+ data->vrm = SENSORS_LIMIT(val, 0, 255);
return count;
}
@@ -480,7 +492,8 @@ static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_temp3_alarm, NULL, 0);
-static ssize_t show_beep_mask (struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_beep_mask(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct w83781d_data *data = w83781d_update_device(dev);
return sprintf(buf, "%ld\n",
@@ -492,9 +505,12 @@ store_beep_mask(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct w83781d_data *data = dev_get_drvdata(dev);
- u32 val;
+ unsigned long val;
+ int err;
- val = simple_strtoul(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->beep_mask &= 0x8000; /* preserve beep enable */
@@ -529,10 +545,14 @@ store_beep(struct device *dev, struct device_attribute *attr,
{
struct w83781d_data *data = dev_get_drvdata(dev);
int bitnr = to_sensor_dev_attr(attr)->index;
- unsigned long bit;
u8 reg;
+ unsigned long bit;
+ int err;
+
+ err = kstrtoul(buf, 10, &bit);
+ if (err)
+ return err;
- bit = simple_strtoul(buf, NULL, 10);
if (bit & ~1)
return -EINVAL;
@@ -620,10 +640,12 @@ show_fan_div(struct device *dev, struct device_attribute *da, char *buf)
(long) DIV_FROM_REG(data->fan_div[attr->index]));
}
-/* Note: we save and restore the fan minimum here, because its value is
- determined in part by the fan divisor. This follows the principle of
- least surprise; the user doesn't expect the fan minimum to change just
- because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor. This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
static ssize_t
store_fan_div(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
@@ -633,7 +655,12 @@ store_fan_div(struct device *dev, struct device_attribute *da,
unsigned long min;
int nr = attr->index;
u8 reg;
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -643,10 +670,12 @@ store_fan_div(struct device *dev, struct device_attribute *da,
data->fan_div[nr] = DIV_TO_REG(val, data->type);
- reg = (w83781d_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
- & (nr==0 ? 0xcf : 0x3f))
- | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
- w83781d_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
+ reg = (w83781d_read_value(data, nr == 2 ?
+ W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
+ & (nr == 0 ? 0xcf : 0x3f))
+ | ((data->fan_div[nr] & 0x03) << (nr == 0 ? 4 : 6));
+ w83781d_write_value(data, nr == 2 ?
+ W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
/* w83781d and as99127f don't have extended divisor bits */
if (data->type != w83781d && data->type != as99127f) {
@@ -693,9 +722,12 @@ store_pwm(struct device *dev, struct device_attribute *da, const char *buf,
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct w83781d_data *data = dev_get_drvdata(dev);
int nr = attr->index;
- u32 val;
+ unsigned long val;
+ int err;
- val = simple_strtoul(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->pwm[nr] = SENSORS_LIMIT(val, 0, 255);
@@ -709,9 +741,13 @@ store_pwm2_enable(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
struct w83781d_data *data = dev_get_drvdata(dev);
- u32 val, reg;
+ unsigned long val;
+ u32 reg;
+ int err;
- val = simple_strtoul(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -761,9 +797,13 @@ store_sensor(struct device *dev, struct device_attribute *da,
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct w83781d_data *data = dev_get_drvdata(dev);
int nr = attr->index;
- u32 val, tmp;
+ unsigned long val;
+ u32 tmp;
+ int err;
- val = simple_strtoul(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -813,7 +853,8 @@ static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO | S_IWUSR,
static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO | S_IWUSR,
show_sensor, store_sensor, 2);
-/* Assumes that adapter is of I2C, not ISA variety.
+/*
+ * Assumes that adapter is of I2C, not ISA variety.
* OTHERWISE DON'T CALL THIS
*/
static int
@@ -911,7 +952,7 @@ ERROR_SC_1:
&sensor_dev_attr_temp##X##_alarm.dev_attr.attr, \
&sensor_dev_attr_temp##X##_beep.dev_attr.attr
-static struct attribute* w83781d_attributes[] = {
+static struct attribute *w83781d_attributes[] = {
IN_UNIT_ATTRS(0),
IN_UNIT_ATTRS(2),
IN_UNIT_ATTRS(3),
@@ -934,23 +975,58 @@ static const struct attribute_group w83781d_group = {
.attrs = w83781d_attributes,
};
-static struct attribute *w83781d_attributes_opt[] = {
+static struct attribute *w83781d_attributes_in1[] = {
IN_UNIT_ATTRS(1),
+ NULL
+};
+static const struct attribute_group w83781d_group_in1 = {
+ .attrs = w83781d_attributes_in1,
+};
+
+static struct attribute *w83781d_attributes_in78[] = {
IN_UNIT_ATTRS(7),
IN_UNIT_ATTRS(8),
+ NULL
+};
+static const struct attribute_group w83781d_group_in78 = {
+ .attrs = w83781d_attributes_in78,
+};
+
+static struct attribute *w83781d_attributes_temp3[] = {
TEMP_UNIT_ATTRS(3),
+ NULL
+};
+static const struct attribute_group w83781d_group_temp3 = {
+ .attrs = w83781d_attributes_temp3,
+};
+
+static struct attribute *w83781d_attributes_pwm12[] = {
&sensor_dev_attr_pwm1.dev_attr.attr,
&sensor_dev_attr_pwm2.dev_attr.attr,
+ &dev_attr_pwm2_enable.attr,
+ NULL
+};
+static const struct attribute_group w83781d_group_pwm12 = {
+ .attrs = w83781d_attributes_pwm12,
+};
+
+static struct attribute *w83781d_attributes_pwm34[] = {
&sensor_dev_attr_pwm3.dev_attr.attr,
&sensor_dev_attr_pwm4.dev_attr.attr,
- &dev_attr_pwm2_enable.attr,
+ NULL
+};
+static const struct attribute_group w83781d_group_pwm34 = {
+ .attrs = w83781d_attributes_pwm34,
+};
+
+static struct attribute *w83781d_attributes_other[] = {
&sensor_dev_attr_temp1_type.dev_attr.attr,
&sensor_dev_attr_temp2_type.dev_attr.attr,
&sensor_dev_attr_temp3_type.dev_attr.attr,
NULL
};
-static const struct attribute_group w83781d_group_opt = {
- .attrs = w83781d_attributes_opt,
+static const struct attribute_group w83781d_group_other = {
+ .attrs = w83781d_attributes_other,
};
/* No clean up is done on error, it's up to the caller */
@@ -959,56 +1035,23 @@ w83781d_create_files(struct device *dev, int kind, int is_isa)
{
int err;
- if ((err = sysfs_create_group(&dev->kobj, &w83781d_group)))
+ err = sysfs_create_group(&dev->kobj, &w83781d_group);
+ if (err)
return err;
if (kind != w83783s) {
- if ((err = device_create_file(dev,
- &sensor_dev_attr_in1_input.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_in1_min.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_in1_max.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_in1_alarm.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_in1_beep.dev_attr)))
+ err = sysfs_create_group(&dev->kobj, &w83781d_group_in1);
+ if (err)
return err;
}
if (kind != as99127f && kind != w83781d && kind != w83783s) {
- if ((err = device_create_file(dev,
- &sensor_dev_attr_in7_input.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_in7_min.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_in7_max.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_in7_alarm.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_in7_beep.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_in8_input.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_in8_min.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_in8_max.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_in8_alarm.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_in8_beep.dev_attr)))
+ err = sysfs_create_group(&dev->kobj, &w83781d_group_in78);
+ if (err)
return err;
}
if (kind != w83783s) {
- if ((err = device_create_file(dev,
- &sensor_dev_attr_temp3_input.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_temp3_max.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_temp3_max_hyst.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_temp3_alarm.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_temp3_beep.dev_attr)))
+ err = sysfs_create_group(&dev->kobj, &w83781d_group_temp3);
+ if (err)
return err;
if (kind != w83781d) {
@@ -1021,30 +1064,29 @@ w83781d_create_files(struct device *dev, int kind, int is_isa)
}
if (kind != w83781d && kind != as99127f) {
- if ((err = device_create_file(dev,
- &sensor_dev_attr_pwm1.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_pwm2.dev_attr))
- || (err = device_create_file(dev, &dev_attr_pwm2_enable)))
+ err = sysfs_create_group(&dev->kobj, &w83781d_group_pwm12);
+ if (err)
return err;
}
if (kind == w83782d && !is_isa) {
- if ((err = device_create_file(dev,
- &sensor_dev_attr_pwm3.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_pwm4.dev_attr)))
+ err = sysfs_create_group(&dev->kobj, &w83781d_group_pwm34);
+ if (err)
return err;
}
if (kind != as99127f && kind != w83781d) {
- if ((err = device_create_file(dev,
- &sensor_dev_attr_temp1_type.dev_attr))
- || (err = device_create_file(dev,
- &sensor_dev_attr_temp2_type.dev_attr)))
+ err = device_create_file(dev,
+ &sensor_dev_attr_temp1_type.dev_attr);
+ if (err)
+ return err;
+ err = device_create_file(dev,
+ &sensor_dev_attr_temp2_type.dev_attr);
+ if (err)
return err;
if (kind != w83783s) {
- if ((err = device_create_file(dev,
- &sensor_dev_attr_temp3_type.dev_attr)))
+ err = device_create_file(dev,
+ &sensor_dev_attr_temp3_type.dev_attr);
+ if (err)
return err;
}
}
@@ -1066,9 +1108,11 @@ w83781d_detect(struct i2c_client *client, struct i2c_board_info *info)
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -ENODEV;
- /* We block updates of the ISA device to minimize the risk of
- concurrent access to the same W83781D chip through different
- interfaces. */
+ /*
+ * We block updates of the ISA device to minimize the risk of
+ * concurrent access to the same W83781D chip through different
+ * interfaces.
+ */
if (isa)
mutex_lock(&isa->update_lock);
@@ -1083,15 +1127,17 @@ w83781d_detect(struct i2c_client *client, struct i2c_board_info *info)
/* Check for Winbond or Asus ID if in bank 0 */
if (!(val1 & 0x07) &&
((!(val1 & 0x80) && val2 != 0xa3 && val2 != 0xc3) ||
- ( (val1 & 0x80) && val2 != 0x5c && val2 != 0x12))) {
+ ((val1 & 0x80) && val2 != 0x5c && val2 != 0x12))) {
dev_dbg(&adapter->dev,
"Detection of w83781d chip failed at step 4\n");
goto err_nodev;
}
- /* If Winbond SMBus, check address at 0x48.
- Asus doesn't support, except for as99127f rev.2 */
+ /*
+ * If Winbond SMBus, check address at 0x48.
+ * Asus doesn't support, except for as99127f rev.2
+ */
if ((!(val1 & 0x80) && val2 == 0xa3) ||
- ( (val1 & 0x80) && val2 == 0x5c)) {
+ ((val1 & 0x80) && val2 == 0x5c)) {
if (i2c_smbus_read_byte_data(client, W83781D_REG_I2C_ADDR)
!= address) {
dev_dbg(&adapter->dev,
@@ -1149,6 +1195,17 @@ w83781d_detect(struct i2c_client *client, struct i2c_board_info *info)
return -ENODEV;
}
+static void w83781d_remove_files(struct device *dev)
+{
+ sysfs_remove_group(&dev->kobj, &w83781d_group);
+ sysfs_remove_group(&dev->kobj, &w83781d_group_in1);
+ sysfs_remove_group(&dev->kobj, &w83781d_group_in78);
+ sysfs_remove_group(&dev->kobj, &w83781d_group_temp3);
+ sysfs_remove_group(&dev->kobj, &w83781d_group_pwm12);
+ sysfs_remove_group(&dev->kobj, &w83781d_group_pwm34);
+ sysfs_remove_group(&dev->kobj, &w83781d_group_other);
+}
+
static int
w83781d_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
@@ -1191,9 +1248,7 @@ w83781d_probe(struct i2c_client *client, const struct i2c_device_id *id)
return 0;
ERROR4:
- sysfs_remove_group(&dev->kobj, &w83781d_group);
- sysfs_remove_group(&dev->kobj, &w83781d_group_opt);
-
+ w83781d_remove_files(dev);
if (data->lm75[0])
i2c_unregister_device(data->lm75[0]);
if (data->lm75[1])
@@ -1211,9 +1266,7 @@ w83781d_remove(struct i2c_client *client)
struct device *dev = &client->dev;
hwmon_device_unregister(data->hwmon_dev);
-
- sysfs_remove_group(&dev->kobj, &w83781d_group);
- sysfs_remove_group(&dev->kobj, &w83781d_group_opt);
+ w83781d_remove_files(dev);
if (data->lm75[0])
i2c_unregister_device(data->lm75[0]);
@@ -1310,35 +1363,47 @@ w83781d_init_device(struct device *dev)
int type = data->type;
u8 tmp;
- if (reset && type != as99127f) { /* this resets registers we don't have
- documentation for on the as99127f */
- /* Resetting the chip has been the default for a long time,
- but it causes the BIOS initializations (fan clock dividers,
- thermal sensor types...) to be lost, so it is now optional.
- It might even go away if nobody reports it as being useful,
- as I see very little reason why this would be needed at
- all. */
+ if (reset && type != as99127f) { /*
+ * this resets registers we don't have
+ * documentation for on the as99127f
+ */
+ /*
+ * Resetting the chip has been the default for a long time,
+ * but it causes the BIOS initializations (fan clock dividers,
+ * thermal sensor types...) to be lost, so it is now optional.
+ * It might even go away if nobody reports it as being useful,
+ * as I see very little reason why this would be needed at
+ * all.
+ */
dev_info(dev, "If reset=1 solved a problem you were "
"having, please report!\n");
/* save these registers */
i = w83781d_read_value(data, W83781D_REG_BEEP_CONFIG);
p = w83781d_read_value(data, W83781D_REG_PWMCLK12);
- /* Reset all except Watchdog values and last conversion values
- This sets fan-divs to 2, among others */
+ /*
+ * Reset all except Watchdog values and last conversion values
+ * This sets fan-divs to 2, among others
+ */
w83781d_write_value(data, W83781D_REG_CONFIG, 0x80);
- /* Restore the registers and disable power-on abnormal beep.
- This saves FAN 1/2/3 input/output values set by BIOS. */
+ /*
+ * Restore the registers and disable power-on abnormal beep.
+ * This saves FAN 1/2/3 input/output values set by BIOS.
+ */
w83781d_write_value(data, W83781D_REG_BEEP_CONFIG, i | 0x80);
w83781d_write_value(data, W83781D_REG_PWMCLK12, p);
- /* Disable master beep-enable (reset turns it on).
- Individual beep_mask should be reset to off but for some reason
- disabling this bit helps some people not get beeped */
+ /*
+ * Disable master beep-enable (reset turns it on).
+ * Individual beep_mask should be reset to off but for some
+ * reason disabling this bit helps some people not get beeped
+ */
w83781d_write_value(data, W83781D_REG_BEEP_INTS2, 0);
}
- /* Disable power-on abnormal beep, as advised by the datasheet.
- Already done if reset=1. */
+ /*
+ * Disable power-on abnormal beep, as advised by the datasheet.
+ * Already done if reset=1.
+ */
if (init && !reset && type != as99127f) {
i = w83781d_read_value(data, W83781D_REG_BEEP_CONFIG);
w83781d_write_value(data, W83781D_REG_BEEP_CONFIG, i | 0x80);
@@ -1444,7 +1509,7 @@ static struct w83781d_data *w83781d_update_device(struct device *dev)
}
/* Only PWM2 can be disabled */
data->pwm2_enable = (w83781d_read_value(data,
- W83781D_REG_PWMCLK12) & 0x08) >> 3;
+ W83781D_REG_PWMCLK12) & 0x08) >> 3;
}
data->temp = w83781d_read_value(data, W83781D_REG_TEMP(1));
@@ -1495,8 +1560,10 @@ static struct w83781d_data *w83781d_update_device(struct device *dev)
| (w83781d_read_value(data,
W83782D_REG_ALARM2) << 8);
} else {
- /* No real-time status registers, fall back to
- interrupt status registers */
+ /*
+ * No real-time status registers, fall back to
+ * interrupt status registers
+ */
data->alarms = w83781d_read_value(data,
W83781D_REG_ALARM1)
| (w83781d_read_value(data,
@@ -1550,8 +1617,10 @@ static struct platform_device *pdev;
static unsigned short isa_address = 0x290;
-/* I2C devices get this name attribute automatically, but for ISA devices
- we must create it by ourselves. */
+/*
+ * I2C devices get this name attribute automatically, but for ISA devices
+ * we must create it by ourselves.
+ */
static ssize_t
show_name(struct device *dev, struct device_attribute *devattr, char *buf)
{
@@ -1581,8 +1650,10 @@ static int w83781d_alias_detect(struct i2c_client *client, u8 chipid)
if (w83781d_read_value(isa, W83781D_REG_WCHIPID) != chipid)
return 0; /* Chip type doesn't match */
- /* We compare all the limit registers, the config register and the
- * interrupt mask registers */
+ /*
+ * We compare all the limit registers, the config register and the
+ * interrupt mask registers
+ */
for (i = 0x2b; i <= 0x3d; i++) {
if (w83781d_read_value(isa, i) !=
i2c_smbus_read_byte_data(client, i))
@@ -1663,12 +1734,14 @@ w83781d_write_value_isa(struct w83781d_data *data, u16 reg, u16 value)
}
}
-/* The SMBus locks itself, usually, but nothing may access the Winbond between
- bank switches. ISA access must always be locked explicitly!
- We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks,
- would slow down the W83781D access and should not be necessary.
- There are some ugly typecasts here, but the good news is - they should
- nowhere else be necessary! */
+/*
+ * The SMBus locks itself, usually, but nothing may access the Winbond between
+ * bank switches. ISA access must always be locked explicitly!
+ * We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks,
+ * would slow down the W83781D access and should not be necessary.
+ * There are some ugly typecasts here, but the good news is - they should
+ * nowhere else be necessary!
+ */
static int
w83781d_read_value(struct w83781d_data *data, u16 reg)
{
@@ -1754,8 +1827,7 @@ w83781d_isa_probe(struct platform_device *pdev)
return 0;
exit_remove_files:
- sysfs_remove_group(&pdev->dev.kobj, &w83781d_group);
- sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt);
+ w83781d_remove_files(&pdev->dev);
device_remove_file(&pdev->dev, &dev_attr_name);
kfree(data);
exit_release_region:
@@ -1770,8 +1842,7 @@ w83781d_isa_remove(struct platform_device *pdev)
struct w83781d_data *data = platform_get_drvdata(pdev);
hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&pdev->dev.kobj, &w83781d_group);
- sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt);
+ w83781d_remove_files(&pdev->dev);
device_remove_file(&pdev->dev, &dev_attr_name);
release_region(data->isa_addr + W83781D_ADDR_REG_OFFSET, 2);
kfree(data);
@@ -1795,9 +1866,11 @@ w83781d_isa_found(unsigned short address)
int val, save, found = 0;
int port;
- /* Some boards declare base+0 to base+7 as a PNP device, some base+4
+ /*
+ * Some boards declare base+0 to base+7 as a PNP device, some base+4
* to base+7 and some base+5 to base+6. So we better request each port
- * individually for the probing phase. */
+ * individually for the probing phase.
+ */
for (port = address; port < address + W83781D_EXTENT; port++) {
if (!request_region(port, 1, "w83781d")) {
pr_debug("Failed to request port 0x%x\n", port);
@@ -1806,8 +1879,10 @@ w83781d_isa_found(unsigned short address)
}
#define REALLY_SLOW_IO
- /* We need the timeouts for at least some W83781D-like
- chips. But only if we read 'undefined' registers. */
+ /*
+ * We need the timeouts for at least some W83781D-like
+ * chips. But only if we read 'undefined' registers.
+ */
val = inb_p(address + 1);
if (inb_p(address + 2) != val
|| inb_p(address + 3) != val
@@ -1817,8 +1892,10 @@ w83781d_isa_found(unsigned short address)
}
#undef REALLY_SLOW_IO
- /* We should be able to change the 7 LSB of the address port. The
- MSB (busy flag) should be clear initially, set after the write. */
+ /*
+ * We should be able to change the 7 LSB of the address port. The
+ * MSB (busy flag) should be clear initially, set after the write.
+ */
save = inb_p(address + W83781D_ADDR_REG_OFFSET);
if (save & 0x80) {
pr_debug("Detection failed at step %d\n", 2);
@@ -2004,8 +2081,10 @@ sensors_w83781d_init(void)
{
int res;
- /* We register the ISA device first, so that we can skip the
- * registration of an I2C interface to the same device. */
+ /*
+ * We register the ISA device first, so that we can skip the
+ * registration of an I2C interface to the same device.
+ */
res = w83781d_isa_register();
if (res)
goto exit;
diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c
index 35aa5149307..2f446f92acf 100644
--- a/drivers/hwmon/w83791d.c
+++ b/drivers/hwmon/w83791d.c
@@ -1,36 +1,36 @@
/*
- w83791d.c - Part of lm_sensors, Linux kernel modules for hardware
- monitoring
-
- Copyright (C) 2006-2007 Charles Spirakis <bezaur@gmail.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * w83791d.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ *
+ * Copyright (C) 2006-2007 Charles Spirakis <bezaur@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
/*
- Supports following chips:
-
- Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
- w83791d 10 5 5 3 0x71 0x5ca3 yes no
-
- The w83791d chip appears to be part way between the 83781d and the
- 83792d. Thus, this file is derived from both the w83792d.c and
- w83781d.c files.
-
- The w83791g chip is the same as the w83791d but lead-free.
-*/
+ * Supports following chips:
+ *
+ * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
+ * w83791d 10 5 5 3 0x71 0x5ca3 yes no
+ *
+ * The w83791d chip appears to be part way between the 83781d and the
+ * 83792d. Thus, this file is derived from both the w83792d.c and
+ * w83781d.c files.
+ *
+ * The w83791g chip is the same as the w83791d but lead-free.
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -198,10 +198,12 @@ static const u8 W83791D_REG_BEEP_CTRL[3] = {
#define W83791D_REG_VBAT 0x5D
#define W83791D_REG_I2C_ADDR 0x48
-/* The SMBus locks itself. The Winbond W83791D has a bank select register
- (index 0x4e), but the driver only accesses registers in bank 0. Since
- we don't switch banks, we don't need any special code to handle
- locking access between bank switches */
+/*
+ * The SMBus locks itself. The Winbond W83791D has a bank select register
+ * (index 0x4e), but the driver only accesses registers in bank 0. Since
+ * we don't switch banks, we don't need any special code to handle
+ * locking access between bank switches
+ */
static inline int w83791d_read(struct i2c_client *client, u8 reg)
{
return i2c_smbus_read_byte_data(client, reg);
@@ -212,9 +214,11 @@ static inline int w83791d_write(struct i2c_client *client, u8 reg, u8 value)
return i2c_smbus_write_byte_data(client, reg, value);
}
-/* The analog voltage inputs have 16mV LSB. Since the sysfs output is
- in mV as would be measured on the chip input pin, need to just
- multiply/divide by 16 to translate from/to register values. */
+/*
+ * The analog voltage inputs have 16mV LSB. Since the sysfs output is
+ * in mV as would be measured on the chip input pin, need to just
+ * multiply/divide by 16 to translate from/to register values.
+ */
#define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8) / 16), 0, 255))
#define IN_FROM_REG(val) ((val) * 16)
@@ -226,7 +230,7 @@ static u8 fan_to_reg(long rpm, int div)
return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
}
-#define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \
+#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : \
((val) == 255 ? 0 : \
1350000 / ((val) * (div))))
@@ -237,10 +241,12 @@ static u8 fan_to_reg(long rpm, int div)
(val) < 0 ? ((val) - 500) / 1000 : \
((val) + 500) / 1000)
-/* for temp2 and temp3 which are 9-bit resolution, LSB = 0.5 degree Celsius
- Assumes the top 8 bits are the integral amount and the bottom 8 bits
- are the fractional amount. Since we only have 0.5 degree resolution,
- the bottom 7 bits will always be zero */
+/*
+ * for temp2 and temp3 which are 9-bit resolution, LSB = 0.5 degree Celsius
+ * Assumes the top 8 bits are the integral amount and the bottom 8 bits
+ * are the fractional amount. Since we only have 0.5 degree resolution,
+ * the bottom 7 bits will always be zero
+ */
#define TEMP23_FROM_REG(val) ((val) / 128 * 500)
#define TEMP23_TO_REG(val) ((val) <= -128000 ? 0x8000 : \
(val) >= 127500 ? 0x7F80 : \
@@ -300,17 +306,19 @@ struct w83791d_data {
s8 temp1[3]; /* current, over, thyst */
s16 temp_add[2][3]; /* fixed point value. Top 8 bits are the
- integral part, bottom 8 bits are the
- fractional part. We only use the top
- 9 bits as the resolution is only
- to the 0.5 degree C...
- two sensors with three values
- (cur, over, hyst) */
+ * integral part, bottom 8 bits are the
+ * fractional part. We only use the top
+ * 9 bits as the resolution is only
+ * to the 0.5 degree C...
+ * two sensors with three values
+ * (cur, over, hyst)
+ */
/* PWMs */
u8 pwm[5]; /* pwm duty cycle */
u8 pwm_enable[3]; /* pwm enable status for fan 1-3
- (fan 4-5 only support manual mode) */
+ * (fan 4-5 only support manual mode)
+ */
u8 temp_target[3]; /* pwm 1-3 target temperature */
u8 temp_tolerance[3]; /* pwm 1-3 temperature tolerance */
@@ -366,7 +374,7 @@ static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
to_sensor_dev_attr(attr); \
struct w83791d_data *data = w83791d_update_device(dev); \
int nr = sensor_attr->index; \
- return sprintf(buf,"%d\n", IN_FROM_REG(data->reg[nr])); \
+ return sprintf(buf, "%d\n", IN_FROM_REG(data->reg[nr])); \
}
show_in_reg(in);
@@ -382,9 +390,11 @@ static ssize_t store_in_##reg(struct device *dev, \
to_sensor_dev_attr(attr); \
struct i2c_client *client = to_i2c_client(dev); \
struct w83791d_data *data = i2c_get_clientdata(client); \
- unsigned long val = simple_strtoul(buf, NULL, 10); \
int nr = sensor_attr->index; \
- \
+ unsigned long val; \
+ int err = kstrtoul(buf, 10, &val); \
+ if (err) \
+ return err; \
mutex_lock(&data->update_lock); \
data->in_##reg[nr] = IN_TO_REG(val); \
w83791d_write(client, W83791D_REG_IN_##REG[nr], data->in_##reg[nr]); \
@@ -455,7 +465,14 @@ static ssize_t store_beep(struct device *dev, struct device_attribute *attr,
struct w83791d_data *data = i2c_get_clientdata(client);
int bitnr = sensor_attr->index;
int bytenr = bitnr / 8;
- long val = simple_strtol(buf, NULL, 10) ? 1 : 0;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
+ val = val ? 1 : 0;
mutex_lock(&data->update_lock);
@@ -485,8 +502,10 @@ static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1);
}
-/* Note: The bitmask for the beep enable/disable is different than
- the bitmask for the alarm. */
+/*
+ * Note: The bitmask for the beep enable/disable is different than
+ * the bitmask for the alarm.
+ */
static struct sensor_device_attribute sda_in_beep[] = {
SENSOR_ATTR(in0_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 0),
SENSOR_ATTR(in1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 13),
@@ -521,7 +540,7 @@ static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
to_sensor_dev_attr(attr); \
struct w83791d_data *data = w83791d_update_device(dev); \
int nr = sensor_attr->index; \
- return sprintf(buf,"%d\n", \
+ return sprintf(buf, "%d\n", \
FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \
}
@@ -534,8 +553,13 @@ static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr,
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct i2c_client *client = to_i2c_client(dev);
struct w83791d_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
int nr = sensor_attr->index;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->fan_min[nr] = fan_to_reg(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -554,10 +578,12 @@ static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr]));
}
-/* Note: we save and restore the fan minimum here, because its value is
- determined in part by the fan divisor. This follows the principle of
- least surprise; the user doesn't expect the fan minimum to change just
- because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor. This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
static ssize_t store_fan_div(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -572,12 +598,18 @@ static ssize_t store_fan_div(struct device *dev, struct device_attribute *attr,
int indx = 0;
u8 keep_mask = 0;
u8 new_shift = 0;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
/* Save fan_min */
min = FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr]));
mutex_lock(&data->update_lock);
- data->fan_div[nr] = div_to_reg(nr, simple_strtoul(buf, NULL, 10));
+ data->fan_div[nr] = div_to_reg(nr, val);
switch (nr) {
case 0:
@@ -918,8 +950,13 @@ static ssize_t store_temp1(struct device *dev, struct device_attribute *devattr,
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct w83791d_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
int nr = attr->index;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp1[nr] = TEMP1_TO_REG(val);
@@ -946,10 +983,15 @@ static ssize_t store_temp23(struct device *dev,
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct w83791d_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
int nr = attr->nr;
int index = attr->index;
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
+
mutex_lock(&data->update_lock);
data->temp_add[nr][index] = TEMP23_TO_REG(val);
w83791d_write(client, W83791D_REG_TEMP_ADD[nr][index * 2],
@@ -985,8 +1027,10 @@ static struct sensor_device_attribute_2 sda_temp_max_hyst[] = {
show_temp23, store_temp23, 1, 2),
};
-/* Note: The bitmask for the beep enable/disable is different than
- the bitmask for the alarm. */
+/*
+ * Note: The bitmask for the beep enable/disable is different than
+ * the bitmask for the alarm.
+ */
static struct sensor_device_attribute sda_temp_beep[] = {
SENSOR_ATTR(temp1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 4),
SENSOR_ATTR(temp2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 5),
@@ -1035,13 +1079,20 @@ static ssize_t store_beep_mask(struct device *dev,
{
struct i2c_client *client = to_i2c_client(dev);
struct w83791d_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
int i;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
- /* The beep_enable state overrides any enabling request from
- the masks */
+ /*
+ * The beep_enable state overrides any enabling request from
+ * the masks
+ */
data->beep_mask = BEEP_MASK_TO_REG(val) & ~GLOBAL_BEEP_ENABLE_MASK;
data->beep_mask |= (data->beep_enable << GLOBAL_BEEP_ENABLE_SHIFT);
@@ -1063,7 +1114,12 @@ static ssize_t store_beep_enable(struct device *dev,
{
struct i2c_client *client = to_i2c_client(dev);
struct w83791d_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -1073,8 +1129,10 @@ static ssize_t store_beep_enable(struct device *dev,
data->beep_mask &= ~GLOBAL_BEEP_ENABLE_MASK;
data->beep_mask |= (data->beep_enable << GLOBAL_BEEP_ENABLE_SHIFT);
- /* The global control is in the second beep control register
- so only need to update that register */
+ /*
+ * The global control is in the second beep control register
+ * so only need to update that register
+ */
val = (data->beep_mask >> 8) & 0xff;
w83791d_write(client, W83791D_REG_BEEP_CTRL[1], val);
@@ -1113,36 +1171,44 @@ static ssize_t store_vrm_reg(struct device *dev,
const char *buf, size_t count)
{
struct w83791d_data *data = dev_get_drvdata(dev);
+ unsigned long val;
+ int err;
+
+ /*
+ * No lock needed as vrm is internal to the driver
+ * (not read from a chip register) and so is not
+ * updated in w83791d_update_device()
+ */
- /* No lock needed as vrm is internal to the driver
- (not read from a chip register) and so is not
- updated in w83791d_update_device() */
- data->vrm = simple_strtoul(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+ data->vrm = val;
return count;
}
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
#define IN_UNIT_ATTRS(X) \
- &sda_in_input[X].dev_attr.attr, \
- &sda_in_min[X].dev_attr.attr, \
- &sda_in_max[X].dev_attr.attr, \
- &sda_in_beep[X].dev_attr.attr, \
+ &sda_in_input[X].dev_attr.attr, \
+ &sda_in_min[X].dev_attr.attr, \
+ &sda_in_max[X].dev_attr.attr, \
+ &sda_in_beep[X].dev_attr.attr, \
&sda_in_alarm[X].dev_attr.attr
#define FAN_UNIT_ATTRS(X) \
- &sda_fan_input[X].dev_attr.attr, \
- &sda_fan_min[X].dev_attr.attr, \
- &sda_fan_div[X].dev_attr.attr, \
- &sda_fan_beep[X].dev_attr.attr, \
+ &sda_fan_input[X].dev_attr.attr, \
+ &sda_fan_min[X].dev_attr.attr, \
+ &sda_fan_div[X].dev_attr.attr, \
+ &sda_fan_beep[X].dev_attr.attr, \
&sda_fan_alarm[X].dev_attr.attr
#define TEMP_UNIT_ATTRS(X) \
- &sda_temp_input[X].dev_attr.attr, \
- &sda_temp_max[X].dev_attr.attr, \
- &sda_temp_max_hyst[X].dev_attr.attr, \
- &sda_temp_beep[X].dev_attr.attr, \
+ &sda_temp_input[X].dev_attr.attr, \
+ &sda_temp_max[X].dev_attr.attr, \
+ &sda_temp_max_hyst[X].dev_attr.attr, \
+ &sda_temp_beep[X].dev_attr.attr, \
&sda_temp_alarm[X].dev_attr.attr
static struct attribute *w83791d_attributes[] = {
@@ -1186,9 +1252,11 @@ static const struct attribute_group w83791d_group = {
.attrs = w83791d_attributes,
};
-/* Separate group of attributes for fan/pwm 4-5. Their pins can also be
- in use for GPIO in which case their sysfs-interface should not be made
- available */
+/*
+ * Separate group of attributes for fan/pwm 4-5. Their pins can also be
+ * in use for GPIO in which case their sysfs-interface should not be made
+ * available
+ */
static struct attribute *w83791d_attributes_fanpwm45[] = {
FAN_UNIT_ATTRS(3),
FAN_UNIT_ATTRS(4),
@@ -1228,9 +1296,8 @@ static int w83791d_detect_subclients(struct i2c_client *client)
}
val = w83791d_read(client, W83791D_REG_I2C_SUBADDR);
- if (!(val & 0x08)) {
+ if (!(val & 0x08))
data->lm75[0] = i2c_new_dummy(adapter, 0x48 + (val & 0x7));
- }
if (!(val & 0x80)) {
if ((data->lm75[0] != NULL) &&
((val & 0x7) == ((val >> 4) & 0x7))) {
@@ -1265,9 +1332,8 @@ static int w83791d_detect(struct i2c_client *client,
int val1, val2;
unsigned short address = client->addr;
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -ENODEV;
- }
if (w83791d_read(client, W83791D_REG_CONFIG) & 0x80)
return -ENODEV;
@@ -1277,12 +1343,14 @@ static int w83791d_detect(struct i2c_client *client,
/* Check for Winbond ID if in bank 0 */
if (!(val1 & 0x07)) {
if ((!(val1 & 0x80) && val2 != 0xa3) ||
- ( (val1 & 0x80) && val2 != 0x5c)) {
+ ((val1 & 0x80) && val2 != 0x5c)) {
return -ENODEV;
}
}
- /* If Winbond chip, address of chip and W83791D_REG_I2C_ADDR
- should match */
+ /*
+ * If Winbond chip, address of chip and W83791D_REG_I2C_ADDR
+ * should match
+ */
if (w83791d_read(client, W83791D_REG_I2C_ADDR) != address)
return -ENODEV;
@@ -1332,14 +1400,16 @@ static int w83791d_probe(struct i2c_client *client,
/* Initialize the chip */
w83791d_init_client(client);
- /* If the fan_div is changed, make sure there is a rational
- fan_min in place */
- for (i = 0; i < NUMBER_OF_FANIN; i++) {
+ /*
+ * If the fan_div is changed, make sure there is a rational
+ * fan_min in place
+ */
+ for (i = 0; i < NUMBER_OF_FANIN; i++)
data->fan_min[i] = w83791d_read(client, W83791D_REG_FAN_MIN[i]);
- }
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&client->dev.kobj, &w83791d_group)))
+ err = sysfs_create_group(&client->dev.kobj, &w83791d_group);
+ if (err)
goto error3;
/* Check if pins of fan/pwm 4-5 are in use as GPIO */
@@ -1398,19 +1468,20 @@ static void w83791d_init_client(struct i2c_client *client)
u8 tmp;
u8 old_beep;
- /* The difference between reset and init is that reset
- does a hard reset of the chip via index 0x40, bit 7,
- but init simply forces certain registers to have "sane"
- values. The hope is that the BIOS has done the right
- thing (which is why the default is reset=0, init=0),
- but if not, reset is the hard hammer and init
- is the soft mallet both of which are trying to whack
- things into place...
- NOTE: The data sheet makes a distinction between
- "power on defaults" and "reset by MR". As far as I can tell,
- the hard reset puts everything into a power-on state so I'm
- not sure what "reset by MR" means or how it can happen.
- */
+ /*
+ * The difference between reset and init is that reset
+ * does a hard reset of the chip via index 0x40, bit 7,
+ * but init simply forces certain registers to have "sane"
+ * values. The hope is that the BIOS has done the right
+ * thing (which is why the default is reset=0, init=0),
+ * but if not, reset is the hard hammer and init
+ * is the soft mallet both of which are trying to whack
+ * things into place...
+ * NOTE: The data sheet makes a distinction between
+ * "power on defaults" and "reset by MR". As far as I can tell,
+ * the hard reset puts everything into a power-on state so I'm
+ * not sure what "reset by MR" means or how it can happen.
+ */
if (reset || init) {
/* keep some BIOS settings when we... */
old_beep = w83791d_read(client, W83791D_REG_BEEP_CONFIG);
@@ -1494,8 +1565,10 @@ static struct w83791d_data *w83791d_update_device(struct device *dev)
data->fan_div[3] = reg_array_tmp[2] & 0x07;
data->fan_div[4] = (reg_array_tmp[2] >> 4) & 0x07;
- /* The fan divisor for fans 0-2 get bit 2 from
- bits 5-7 respectively of vbat register */
+ /*
+ * The fan divisor for fans 0-2 get bit 2 from
+ * bits 5-7 respectively of vbat register
+ */
vbat_reg = w83791d_read(client, W83791D_REG_VBAT);
for (i = 0; i < 3; i++)
data->fan_div[i] |= (vbat_reg >> (3 + i)) & 0x04;
@@ -1601,12 +1674,13 @@ static void w83791d_print_debug(struct w83791d_data *data, struct device *dev)
dev_dbg(dev, "fan_div[%d] is: 0x%02x\n", i, data->fan_div[i]);
}
- /* temperature math is signed, but only print out the
- bits that matter */
+ /*
+ * temperature math is signed, but only print out the
+ * bits that matter
+ */
dev_dbg(dev, "%d set of Temperatures: ===>\n", NUMBER_OF_TEMPIN);
- for (i = 0; i < 3; i++) {
+ for (i = 0; i < 3; i++)
dev_dbg(dev, "temp1[%d] is: 0x%02x\n", i, (u8) data->temp1[i]);
- }
for (i = 0; i < 2; i++) {
for (j = 0; j < 3; j++) {
dev_dbg(dev, "temp_add[%d][%d] is: 0x%04x\n", i, j,
@@ -1625,19 +1699,8 @@ static void w83791d_print_debug(struct w83791d_data *data, struct device *dev)
}
#endif
-static int __init sensors_w83791d_init(void)
-{
- return i2c_add_driver(&w83791d_driver);
-}
-
-static void __exit sensors_w83791d_exit(void)
-{
- i2c_del_driver(&w83791d_driver);
-}
+module_i2c_driver(w83791d_driver);
MODULE_AUTHOR("Charles Spirakis <bezaur@gmail.com>");
MODULE_DESCRIPTION("W83791D driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_w83791d_init);
-module_exit(sensors_w83791d_exit);
diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c
index d3100eab6b2..ffb5fdfecf0 100644
--- a/drivers/hwmon/w83792d.c
+++ b/drivers/hwmon/w83792d.c
@@ -1,39 +1,39 @@
/*
- w83792d.c - Part of lm_sensors, Linux kernel modules for hardware
- monitoring
- Copyright (C) 2004, 2005 Winbond Electronics Corp.
- Chunhao Huang <DZShen@Winbond.com.tw>,
- Rudolf Marek <r.marek@assembler.cz>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- Note:
- 1. This driver is only for 2.6 kernel, 2.4 kernel need a different driver.
- 2. This driver is only for Winbond W83792D C version device, there
- are also some motherboards with B version W83792D device. The
- calculation method to in6-in7(measured value, limits) is a little
- different between C and B version. C or B version can be identified
- by CR[0x49h].
-*/
+ * w83792d.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ * Copyright (C) 2004, 2005 Winbond Electronics Corp.
+ * Chunhao Huang <DZShen@Winbond.com.tw>,
+ * Rudolf Marek <r.marek@assembler.cz>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Note:
+ * 1. This driver is only for 2.6 kernel, 2.4 kernel need a different driver.
+ * 2. This driver is only for Winbond W83792D C version device, there
+ * are also some motherboards with B version W83792D device. The
+ * calculation method to in6-in7(measured value, limits) is a little
+ * different between C and B version. C or B version can be identified
+ * by CR[0x49h].
+ */
/*
- Supports following chips:
-
- Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
- w83792d 9 7 7 3 0x7a 0x5ca3 yes no
-*/
+ * Supports following chips:
+ *
+ * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
+ * w83792d 9 7 7 3 0x7a 0x5ca3 yes no
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -218,14 +218,16 @@ static const u8 W83792D_REG_LEVELS[3][4] = {
#define W83792D_REG_VBAT 0x5D
#define W83792D_REG_I2C_ADDR 0x48
-/* Conversions. Rounding and limit checking is only done on the TO_REG
- variants. Note that you should be a bit careful with which arguments
- these macros are called: arguments may be evaluated more than once.
- Fixing this is just not worth it. */
-#define IN_FROM_REG(nr,val) (((nr)<=1)?(val*2): \
- ((((nr)==6)||((nr)==7))?(val*6):(val*4)))
-#define IN_TO_REG(nr,val) (((nr)<=1)?(val/2): \
- ((((nr)==6)||((nr)==7))?(val/6):(val/4)))
+/*
+ * Conversions. Rounding and limit checking is only done on the TO_REG
+ * variants. Note that you should be a bit careful with which arguments
+ * these macros are called: arguments may be evaluated more than once.
+ * Fixing this is just not worth it.
+ */
+#define IN_FROM_REG(nr, val) (((nr) <= 1) ? ((val) * 2) : \
+ ((((nr) == 6) || ((nr) == 7)) ? ((val) * 6) : ((val) * 4)))
+#define IN_TO_REG(nr, val) (((nr) <= 1) ? ((val) / 2) : \
+ ((((nr) == 6) || ((nr) == 7)) ? ((val) / 6) : ((val) / 4)))
static inline u8
FAN_TO_REG(long rpm, int div)
@@ -236,7 +238,7 @@ FAN_TO_REG(long rpm, int div)
return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
}
-#define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \
+#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : \
((val) == 255 ? 0 : \
1350000 / ((val) * (div))))
@@ -265,7 +267,7 @@ DIV_TO_REG(long val)
break;
val >>= 1;
}
- return ((u8) i);
+ return (u8)i;
}
struct w83792d_data {
@@ -287,8 +289,10 @@ struct w83792d_data {
u8 temp1[3]; /* current, over, thyst */
u8 temp_add[2][6]; /* Register value */
u8 fan_div[7]; /* Register encoding, shifted right */
- u8 pwm[7]; /* We only consider the first 3 set of pwm,
- although 792 chip has 7 set of pwm. */
+ u8 pwm[7]; /*
+ * We only consider the first 3 set of pwm,
+ * although 792 chip has 7 set of pwm.
+ */
u8 pwmenable[3];
u32 alarms; /* realtime status register encoding,combined */
u8 chassis; /* Chassis status */
@@ -333,12 +337,14 @@ static struct i2c_driver w83792d_driver = {
static inline long in_count_from_reg(int nr, struct w83792d_data *data)
{
/* in7 and in8 do not have low bits, but the formula still works */
- return ((data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03));
+ return (data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03);
}
-/* The SMBus locks itself. The Winbond W83792D chip has a bank register,
- but the driver only accesses registers in bank 0, so we don't have
- to switch banks and lock access between switches. */
+/*
+ * The SMBus locks itself. The Winbond W83792D chip has a bank register,
+ * but the driver only accesses registers in bank 0, so we don't have
+ * to switch banks and lock access between switches.
+ */
static inline int w83792d_read_value(struct i2c_client *client, u8 reg)
{
return i2c_smbus_read_byte_data(client, reg);
@@ -357,37 +363,43 @@ static ssize_t show_in(struct device *dev, struct device_attribute *attr,
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
struct w83792d_data *data = w83792d_update_device(dev);
- return sprintf(buf,"%ld\n", IN_FROM_REG(nr,(in_count_from_reg(nr, data))));
+ return sprintf(buf, "%ld\n",
+ IN_FROM_REG(nr, in_count_from_reg(nr, data)));
}
#define show_in_reg(reg) \
static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
char *buf) \
{ \
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \
+ struct sensor_device_attribute *sensor_attr \
+ = to_sensor_dev_attr(attr); \
int nr = sensor_attr->index; \
struct w83792d_data *data = w83792d_update_device(dev); \
- return sprintf(buf,"%ld\n", (long)(IN_FROM_REG(nr, (data->reg[nr])*4))); \
+ return sprintf(buf, "%ld\n", \
+ (long)(IN_FROM_REG(nr, data->reg[nr]) * 4)); \
}
show_in_reg(in_min);
show_in_reg(in_max);
#define store_in_reg(REG, reg) \
-static ssize_t store_in_##reg (struct device *dev, \
+static ssize_t store_in_##reg(struct device *dev, \
struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \
+ struct sensor_device_attribute *sensor_attr \
+ = to_sensor_dev_attr(attr); \
int nr = sensor_attr->index; \
struct i2c_client *client = to_i2c_client(dev); \
struct w83792d_data *data = i2c_get_clientdata(client); \
- u32 val; \
- \
- val = simple_strtoul(buf, NULL, 10); \
+ unsigned long val; \
+ int err = kstrtoul(buf, 10, &val); \
+ if (err) \
+ return err; \
mutex_lock(&data->update_lock); \
- data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val)/4, 0, 255); \
- w83792d_write_value(client, W83792D_REG_IN_##REG[nr], data->in_##reg[nr]); \
+ data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val) / 4, 0, 255); \
+ w83792d_write_value(client, W83792D_REG_IN_##REG[nr], \
+ data->in_##reg[nr]); \
mutex_unlock(&data->update_lock); \
\
return count; \
@@ -396,13 +408,14 @@ store_in_reg(MIN, min);
store_in_reg(MAX, max);
#define show_fan_reg(reg) \
-static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \
+static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
char *buf) \
{ \
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \
+ struct sensor_device_attribute *sensor_attr \
+ = to_sensor_dev_attr(attr); \
int nr = sensor_attr->index - 1; \
struct w83792d_data *data = w83792d_update_device(dev); \
- return sprintf(buf,"%d\n", \
+ return sprintf(buf, "%d\n", \
FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \
}
@@ -417,9 +430,13 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index - 1;
struct i2c_client *client = to_i2c_client(dev);
struct w83792d_data *data = i2c_get_clientdata(client);
- u32 val;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
- val = simple_strtoul(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
w83792d_write_value(client, W83792D_REG_FAN_MIN[nr],
@@ -439,10 +456,12 @@ show_fan_div(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1]));
}
-/* Note: we save and restore the fan minimum here, because its value is
- determined in part by the fan divisor. This follows the principle of
- least surprise; the user doesn't expect the fan minimum to change just
- because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor. This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
static ssize_t
store_fan_div(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
@@ -455,13 +474,19 @@ store_fan_div(struct device *dev, struct device_attribute *attr,
/*u8 reg;*/
u8 fan_div_reg = 0;
u8 tmp_fan_div;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
/* Save fan_min */
mutex_lock(&data->update_lock);
min = FAN_FROM_REG(data->fan_min[nr],
DIV_FROM_REG(data->fan_div[nr]));
- data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10));
+ data->fan_div[nr] = DIV_TO_REG(val);
fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]);
fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8;
@@ -496,9 +521,13 @@ static ssize_t store_temp1(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct w83792d_data *data = i2c_get_clientdata(client);
- s32 val;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
- val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->temp1[nr] = TEMP1_TO_REG(val);
w83792d_write_value(client, W83792D_REG_TEMP1[nr],
@@ -513,11 +542,12 @@ static ssize_t store_temp1(struct device *dev, struct device_attribute *attr,
static ssize_t show_temp23(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
+ struct sensor_device_attribute_2 *sensor_attr
+ = to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr;
int index = sensor_attr->index;
struct w83792d_data *data = w83792d_update_device(dev);
- return sprintf(buf,"%ld\n",
+ return sprintf(buf, "%ld\n",
(long)TEMP_ADD_FROM_REG(data->temp_add[nr][index],
data->temp_add[nr][index+1]));
}
@@ -525,14 +555,19 @@ static ssize_t show_temp23(struct device *dev, struct device_attribute *attr,
static ssize_t store_temp23(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
+ struct sensor_device_attribute_2 *sensor_attr
+ = to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr;
int index = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct w83792d_data *data = i2c_get_clientdata(client);
- s32 val;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
- val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val);
data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val);
@@ -604,7 +639,13 @@ store_pwm(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct w83792d_data *data = i2c_get_clientdata(client);
- u8 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 255) >> 4;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+ val = SENSORS_LIMIT(val, 0, 255) >> 4;
mutex_lock(&data->update_lock);
val |= w83792d_read_value(client, W83792D_REG_PWM[nr]) & 0xf0;
@@ -623,10 +664,14 @@ store_pwmenable(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index - 1;
struct i2c_client *client = to_i2c_client(dev);
struct w83792d_data *data = i2c_get_clientdata(client);
- u32 val;
u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
- val = simple_strtoul(buf, NULL, 10);
if (val < 1 || val > 3)
return -EINVAL;
@@ -645,7 +690,7 @@ store_pwmenable(struct device *dev, struct device_attribute *attr,
cfg1_tmp = data->pwmenable[0];
cfg2_tmp = (data->pwmenable[1]) << 2;
cfg3_tmp = (data->pwmenable[2]) << 4;
- cfg4_tmp = w83792d_read_value(client,W83792D_REG_FAN_CFG) & 0xc0;
+ cfg4_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG) & 0xc0;
fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp;
w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp);
mutex_unlock(&data->update_lock);
@@ -671,10 +716,13 @@ store_pwm_mode(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct w83792d_data *data = i2c_get_clientdata(client);
- u32 val;
+ unsigned long val;
+ int err;
- val = simple_strtoul(buf, NULL, 10);
- if (val != 0 && val != 1)
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+ if (val > 1)
return -EINVAL;
mutex_lock(&data->update_lock);
@@ -721,16 +769,20 @@ store_chassis_clear_legacy(struct device *dev, struct device_attribute *attr,
{
struct i2c_client *client = to_i2c_client(dev);
struct w83792d_data *data = i2c_get_clientdata(client);
- u32 val;
+ unsigned long val;
+ int err;
u8 temp1 = 0, temp2 = 0;
dev_warn(dev,
"Attribute %s is deprecated, use intrusion0_alarm instead\n",
"chassis_clear");
- val = simple_strtoul(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
mutex_lock(&data->update_lock);
- data->chassis_clear = SENSORS_LIMIT(val, 0 ,1);
+ data->chassis_clear = SENSORS_LIMIT(val, 0, 1);
temp1 = ((data->chassis_clear) << 7) & 0x80;
temp2 = w83792d_read_value(client,
W83792D_REG_CHASSIS_CLR) & 0x7f;
@@ -780,14 +832,19 @@ store_thermal_cruise(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index - 1;
struct i2c_client *client = to_i2c_client(dev);
struct w83792d_data *data = i2c_get_clientdata(client);
- u32 val;
- u8 target_tmp=0, target_mask=0;
+ u8 target_tmp = 0, target_mask = 0;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
- val = simple_strtoul(buf, NULL, 10);
target_tmp = val;
target_tmp = target_tmp & 0x7f;
mutex_lock(&data->update_lock);
- target_mask = w83792d_read_value(client, W83792D_REG_THERMAL[nr]) & 0x80;
+ target_mask = w83792d_read_value(client,
+ W83792D_REG_THERMAL[nr]) & 0x80;
data->thermal_cruise[nr] = SENSORS_LIMIT(target_tmp, 0, 255);
w83792d_write_value(client, W83792D_REG_THERMAL[nr],
(data->thermal_cruise[nr]) | target_mask);
@@ -815,19 +872,22 @@ store_tolerance(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->index - 1;
struct i2c_client *client = to_i2c_client(dev);
struct w83792d_data *data = i2c_get_clientdata(client);
- u32 val;
u8 tol_tmp, tol_mask;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
- val = simple_strtoul(buf, NULL, 10);
mutex_lock(&data->update_lock);
tol_mask = w83792d_read_value(client,
W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0);
tol_tmp = SENSORS_LIMIT(val, 0, 15);
tol_tmp &= 0x0f;
data->tolerance[nr] = tol_tmp;
- if (nr == 1) {
+ if (nr == 1)
tol_tmp <<= 4;
- }
w83792d_write_value(client, W83792D_REG_TOLERANCE[nr],
tol_mask | tol_tmp);
mutex_unlock(&data->update_lock);
@@ -840,7 +900,8 @@ static ssize_t
show_sf2_point(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
+ struct sensor_device_attribute_2 *sensor_attr
+ = to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr;
int index = sensor_attr->index;
struct w83792d_data *data = w83792d_update_device(dev);
@@ -851,15 +912,20 @@ static ssize_t
store_sf2_point(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
+ struct sensor_device_attribute_2 *sensor_attr
+ = to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr - 1;
int index = sensor_attr->index - 1;
struct i2c_client *client = to_i2c_client(dev);
struct w83792d_data *data = i2c_get_clientdata(client);
- u32 val;
u8 mask_tmp = 0;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
- val = simple_strtoul(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->sf2_points[index][nr] = SENSORS_LIMIT(val, 0, 127);
mask_tmp = w83792d_read_value(client,
@@ -875,7 +941,8 @@ static ssize_t
show_sf2_level(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
+ struct sensor_device_attribute_2 *sensor_attr
+ = to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr;
int index = sensor_attr->index;
struct w83792d_data *data = w83792d_update_device(dev);
@@ -887,25 +954,30 @@ static ssize_t
store_sf2_level(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
+ struct sensor_device_attribute_2 *sensor_attr
+ = to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr;
int index = sensor_attr->index - 1;
struct i2c_client *client = to_i2c_client(dev);
struct w83792d_data *data = i2c_get_clientdata(client);
- u32 val;
- u8 mask_tmp=0, level_tmp=0;
+ u8 mask_tmp = 0, level_tmp = 0;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
- val = simple_strtoul(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->sf2_levels[index][nr] = SENSORS_LIMIT((val * 15) / 100, 0, 15);
mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr])
- & ((nr==3) ? 0xf0 : 0x0f);
- if (nr==3) {
+ & ((nr == 3) ? 0xf0 : 0x0f);
+ if (nr == 3)
level_tmp = data->sf2_levels[index][nr];
- } else {
+ else
level_tmp = data->sf2_levels[index][nr] << 4;
- }
- w83792d_write_value(client, W83792D_REG_LEVELS[index][nr], level_tmp | mask_tmp);
+ w83792d_write_value(client, W83792D_REG_LEVELS[index][nr],
+ level_tmp | mask_tmp);
mutex_unlock(&data->update_lock);
return count;
@@ -939,9 +1011,8 @@ w83792d_detect_subclients(struct i2c_client *new_client)
}
val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR);
- if (!(val & 0x08)) {
+ if (!(val & 0x08))
data->lm75[0] = i2c_new_dummy(adapter, 0x48 + (val & 0x7));
- }
if (!(val & 0x80)) {
if ((data->lm75[0] != NULL) &&
((val & 0x7) == ((val >> 4) & 0x7))) {
@@ -1306,9 +1377,8 @@ w83792d_detect(struct i2c_client *client, struct i2c_board_info *info)
int val1, val2;
unsigned short address = client->addr;
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -ENODEV;
- }
if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80)
return -ENODEV;
@@ -1318,11 +1388,13 @@ w83792d_detect(struct i2c_client *client, struct i2c_board_info *info)
/* Check for Winbond ID if in bank 0 */
if (!(val1 & 0x07)) { /* is Bank0 */
if ((!(val1 & 0x80) && val2 != 0xa3) ||
- ( (val1 & 0x80) && val2 != 0x5c))
+ ((val1 & 0x80) && val2 != 0x5c))
return -ENODEV;
}
- /* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR
- should match */
+ /*
+ * If Winbond chip, address of chip and W83792D_REG_I2C_ADDR
+ * should match
+ */
if (w83792d_read_value(client, W83792D_REG_I2C_ADDR) != address)
return -ENODEV;
@@ -1374,33 +1446,40 @@ w83792d_probe(struct i2c_client *client, const struct i2c_device_id *id)
}
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&dev->kobj, &w83792d_group)))
+ err = sysfs_create_group(&dev->kobj, &w83792d_group);
+ if (err)
goto ERROR3;
- /* Read GPIO enable register to check if pins for fan 4,5 are used as
- GPIO */
+ /*
+ * Read GPIO enable register to check if pins for fan 4,5 are used as
+ * GPIO
+ */
val1 = w83792d_read_value(client, W83792D_REG_GPIO_EN);
- if (!(val1 & 0x40))
- if ((err = sysfs_create_group(&dev->kobj,
- &w83792d_group_fan[0])))
+ if (!(val1 & 0x40)) {
+ err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[0]);
+ if (err)
goto exit_remove_files;
+ }
- if (!(val1 & 0x20))
- if ((err = sysfs_create_group(&dev->kobj,
- &w83792d_group_fan[1])))
+ if (!(val1 & 0x20)) {
+ err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[1]);
+ if (err)
goto exit_remove_files;
+ }
val1 = w83792d_read_value(client, W83792D_REG_PIN);
- if (val1 & 0x40)
- if ((err = sysfs_create_group(&dev->kobj,
- &w83792d_group_fan[2])))
+ if (val1 & 0x40) {
+ err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[2]);
+ if (err)
goto exit_remove_files;
+ }
- if (val1 & 0x04)
- if ((err = sysfs_create_group(&dev->kobj,
- &w83792d_group_fan[3])))
+ if (val1 & 0x04) {
+ err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[3]);
+ if (err)
goto exit_remove_files;
+ }
data->hwmon_dev = hwmon_device_register(dev);
if (IS_ERR(data->hwmon_dev)) {
@@ -1451,14 +1530,16 @@ w83792d_init_client(struct i2c_client *client)
{
u8 temp2_cfg, temp3_cfg, vid_in_b;
- if (init) {
+ if (init)
w83792d_write_value(client, W83792D_REG_CONFIG, 0x80);
- }
- /* Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0):
- W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of
- vin0/vin1 can be modified by user;
- W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of
- vin0/vin1 auto-updated, can NOT be modified by user. */
+
+ /*
+ * Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0):
+ * W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of
+ * vin0/vin1 can be modified by user;
+ * W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of
+ * vin0/vin1 auto-updated, can NOT be modified by user.
+ */
vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B);
w83792d_write_value(client, W83792D_REG_VID_IN_B,
vid_in_b & 0xbf);
@@ -1527,7 +1608,7 @@ static struct w83792d_data *w83792d_update_device(struct device *dev)
for (i = 0; i < 2; i++) {
for (j = 0; j < 6; j++) {
data->temp_add[i][j] = w83792d_read_value(
- client,W83792D_REG_TEMP_ADD[i][j]);
+ client, W83792D_REG_TEMP_ADD[i][j]);
}
}
@@ -1572,8 +1653,9 @@ static struct w83792d_data *w83792d_update_device(struct device *dev)
/* Update Smart Fan II temperature points */
for (i = 0; i < 3; i++) {
for (j = 0; j < 4; j++) {
- data->sf2_points[i][j] = w83792d_read_value(
- client,W83792D_REG_POINTS[i][j]) & 0x7f;
+ data->sf2_points[i][j]
+ = w83792d_read_value(client,
+ W83792D_REG_POINTS[i][j]) & 0x7f;
}
}
@@ -1605,10 +1687,10 @@ static struct w83792d_data *w83792d_update_device(struct device *dev)
#ifdef DEBUG
static void w83792d_print_debug(struct w83792d_data *data, struct device *dev)
{
- int i=0, j=0;
+ int i = 0, j = 0;
dev_dbg(dev, "==========The following is the debug message...========\n");
dev_dbg(dev, "9 set of Voltages: =====>\n");
- for (i=0; i<9; i++) {
+ for (i = 0; i < 9; i++) {
dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]);
dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]);
dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]);
@@ -1616,47 +1698,32 @@ static void w83792d_print_debug(struct w83792d_data *data, struct device *dev)
dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff);
dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8);
dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n");
- for (i=0; i<7; i++) {
+ for (i = 0; i < 7; i++) {
dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]);
dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]);
dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]);
}
dev_dbg(dev, "3 set of Temperatures: =====>\n");
- for (i=0; i<3; i++) {
+ for (i = 0; i < 3; i++)
dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]);
- }
- for (i=0; i<2; i++) {
- for (j=0; j<6; j++) {
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 6; j++) {
dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j,
data->temp_add[i][j]);
}
}
- for (i=0; i<7; i++) {
+ for (i = 0; i < 7; i++)
dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]);
- }
- dev_dbg(dev, "==========End of the debug message...==================\n");
+
+ dev_dbg(dev, "==========End of the debug message...================\n");
dev_dbg(dev, "\n");
}
#endif
-static int __init
-sensors_w83792d_init(void)
-{
- return i2c_add_driver(&w83792d_driver);
-}
-
-static void __exit
-sensors_w83792d_exit(void)
-{
- i2c_del_driver(&w83792d_driver);
-}
+module_i2c_driver(w83792d_driver);
MODULE_AUTHOR("Chunhao Huang @ Winbond <DZShen@Winbond.com.tw>");
MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6");
MODULE_LICENSE("GPL");
-
-module_init(sensors_w83792d_init);
-module_exit(sensors_w83792d_exit);
-
diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c
index 45ec7e7c3c2..834e49d1827 100644
--- a/drivers/hwmon/w83793.c
+++ b/drivers/hwmon/w83793.c
@@ -1,34 +1,34 @@
/*
- w83793.c - Linux kernel driver for hardware monitoring
- Copyright (C) 2006 Winbond Electronics Corp.
- Yuan Mu
- Rudolf Marek <r.marek@assembler.cz>
- Copyright (C) 2009-2010 Sven Anders <anders@anduras.de>, ANDURAS AG.
- Watchdog driver part
- (Based partially on fschmd driver,
- Copyright 2007-2008 by Hans de Goede)
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation - version 2.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301 USA.
-*/
+ * w83793.c - Linux kernel driver for hardware monitoring
+ * Copyright (C) 2006 Winbond Electronics Corp.
+ * Yuan Mu
+ * Rudolf Marek <r.marek@assembler.cz>
+ * Copyright (C) 2009-2010 Sven Anders <anders@anduras.de>, ANDURAS AG.
+ * Watchdog driver part
+ * (Based partially on fschmd driver,
+ * Copyright 2007-2008 by Hans de Goede)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation - version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA.
+ */
/*
- Supports following chips:
-
- Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
- w83793 10 12 8 6 0x7b 0x5ca3 yes no
-*/
+ * Supports following chips:
+ *
+ * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
+ * w83793 10 12 8 6 0x7b 0x5ca3 yes no
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -78,9 +78,9 @@ MODULE_PARM_DESC(nowayout,
__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
- Address 0x00, 0x0d, 0x0e, 0x0f in all three banks are reserved
- as ID, Bank Select registers
-*/
+ * Address 0x00, 0x0d, 0x0e, 0x0f in all three banks are reserved
+ * as ID, Bank Select registers
+ */
#define W83793_REG_BANKSEL 0x00
#define W83793_REG_VENDORID 0x0d
#define W83793_REG_CHIPID 0x0e
@@ -110,8 +110,10 @@ static u16 W83793_REG_TEMP_MODE[2] = { 0x5e, 0x5f };
#define TEMP_CRIT_HYST 2
#define TEMP_WARN 3
#define TEMP_WARN_HYST 4
-/* only crit and crit_hyst affect real-time alarm status
- current crit crit_hyst warn warn_hyst */
+/*
+ * only crit and crit_hyst affect real-time alarm status
+ * current crit crit_hyst warn warn_hyst
+ */
static u16 W83793_REG_TEMP[][5] = {
{0x1c, 0x78, 0x79, 0x7a, 0x7b},
{0x1d, 0x7c, 0x7d, 0x7e, 0x7f},
@@ -181,7 +183,7 @@ static inline unsigned long FAN_FROM_REG(u16 val)
{
if ((val >= 0xfff) || (val == 0))
return 0;
- return (1350000UL / val);
+ return 1350000UL / val;
}
static inline u16 FAN_TO_REG(long rpm)
@@ -193,7 +195,7 @@ static inline u16 FAN_TO_REG(long rpm)
static inline unsigned long TIME_FROM_REG(u8 reg)
{
- return (reg * 100);
+ return reg * 100;
}
static inline u8 TIME_TO_REG(unsigned long val)
@@ -203,7 +205,7 @@ static inline u8 TIME_TO_REG(unsigned long val)
static inline long TEMP_FROM_REG(s8 reg)
{
- return (reg * 1000);
+ return reg * 1000;
}
static inline s8 TEMP_TO_REG(long val, s8 min, s8 max)
@@ -218,7 +220,8 @@ struct w83793_data {
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
unsigned long last_nonvolatile; /* In jiffies, last time we update the
- nonvolatile registers */
+ * nonvolatile registers
+ */
u8 bank;
u8 vrm;
@@ -233,7 +236,8 @@ struct w83793_data {
s8 temp[6][5]; /* current, crit, crit_hyst,warn, warn_hyst */
u8 temp_low_bits; /* Additional resolution TD1-TD4 */
u8 temp_mode[2]; /* byte 0: Temp D1-D4 mode each has 2 bits
- byte 1: Temp R1,R2 mode, each has 1 bit */
+ * byte 1: Temp R1,R2 mode, each has 1 bit
+ */
u8 temp_critical; /* If reached all fan will be at full speed */
u8 temp_fan_map[6]; /* Temp controls which pwm fan, bit field */
@@ -268,17 +272,21 @@ struct w83793_data {
int watchdog_timeout; /* watchdog timeout in minutes */
};
-/* Somewhat ugly :( global data pointer list with all devices, so that
- we can find our device data as when using misc_register. There is no
- other method to get to one's device data from the open file-op and
- for usage in the reboot notifier callback. */
+/*
+ * Somewhat ugly :( global data pointer list with all devices, so that
+ * we can find our device data as when using misc_register. There is no
+ * other method to get to one's device data from the open file-op and
+ * for usage in the reboot notifier callback.
+ */
static LIST_HEAD(watchdog_data_list);
/* Note this lock not only protect list access, but also data.kref access */
static DEFINE_MUTEX(watchdog_data_mutex);
-/* Release our data struct when we're detached from the i2c client *and* all
- references to our watchdog device are released */
+/*
+ * Release our data struct when we're detached from the i2c client *and* all
+ * references to our watchdog device are released
+ */
static void w83793_release_resources(struct kref *ref)
{
struct w83793_data *data = container_of(ref, struct w83793_data, kref);
@@ -337,7 +345,14 @@ store_vrm(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct w83793_data *data = dev_get_drvdata(dev);
- data->vrm = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
+ data->vrm = val;
return count;
}
@@ -354,7 +369,7 @@ show_alarm_beep(struct device *dev, struct device_attribute *attr, char *buf)
int bit = sensor_attr->index & 0x07;
u8 val;
- if (ALARM_STATUS == nr) {
+ if (nr == ALARM_STATUS) {
val = (data->alarms[index] >> (bit)) & 1;
} else { /* BEEP_ENABLE */
val = (data->beeps[index] >> (bit)) & 1;
@@ -374,10 +389,14 @@ store_beep(struct device *dev, struct device_attribute *attr,
int index = sensor_attr->index >> 3;
int shift = sensor_attr->index & 0x07;
u8 beep_bit = 1 << shift;
- u8 val;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
- val = simple_strtoul(buf, NULL, 10);
- if (val != 0 && val != 1)
+ if (val > 1)
return -EINVAL;
mutex_lock(&data->update_lock);
@@ -403,9 +422,14 @@ store_beep_enable(struct device *dev, struct device_attribute *attr,
{
struct i2c_client *client = to_i2c_client(dev);
struct w83793_data *data = i2c_get_clientdata(client);
- u8 val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
- if (val != 0 && val != 1)
+ if (val > 1)
return -EINVAL;
mutex_lock(&data->update_lock);
@@ -449,8 +473,12 @@ store_chassis_clear(struct device *dev,
struct w83793_data *data = i2c_get_clientdata(client);
unsigned long val;
u8 reg;
+ int err;
- if (kstrtoul(buf, 10, &val) || val != 0)
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+ if (val)
return -EINVAL;
mutex_lock(&data->update_lock);
@@ -473,11 +501,10 @@ show_fan(struct device *dev, struct device_attribute *attr, char *buf)
struct w83793_data *data = w83793_update_device(dev);
u16 val;
- if (FAN_INPUT == nr) {
+ if (nr == FAN_INPUT)
val = data->fan[index] & 0x0fff;
- } else {
+ else
val = data->fan_min[index] & 0x0fff;
- }
return sprintf(buf, "%lu\n", FAN_FROM_REG(val));
}
@@ -491,7 +518,13 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
int index = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct w83793_data *data = i2c_get_clientdata(client);
- u16 val = FAN_TO_REG(simple_strtoul(buf, NULL, 10));
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+ val = FAN_TO_REG(val);
mutex_lock(&data->update_lock);
data->fan_min[index] = val;
@@ -513,7 +546,7 @@ show_pwm(struct device *dev, struct device_attribute *attr, char *buf)
int nr = sensor_attr->nr;
int index = sensor_attr->index;
- if (PWM_STOP_TIME == nr)
+ if (nr == PWM_STOP_TIME)
val = TIME_FROM_REG(data->pwm_stop_time[index]);
else
val = (data->pwm[index][nr] & 0x3f) << 2;
@@ -531,17 +564,21 @@ store_pwm(struct device *dev, struct device_attribute *attr,
to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr;
int index = sensor_attr->index;
- u8 val;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
- if (PWM_STOP_TIME == nr) {
- val = TIME_TO_REG(simple_strtoul(buf, NULL, 10));
+ if (nr == PWM_STOP_TIME) {
+ val = TIME_TO_REG(val);
data->pwm_stop_time[index] = val;
w83793_write_value(client, W83793_REG_PWM_STOP_TIME(index),
val);
} else {
- val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 0xff)
- >> 2;
+ val = SENSORS_LIMIT(val, 0, 0xff) >> 2;
data->pwm[index][nr] =
w83793_read_value(client, W83793_REG_PWM(index, nr)) & 0xc0;
data->pwm[index][nr] |= val;
@@ -563,7 +600,7 @@ show_temp(struct device *dev, struct device_attribute *attr, char *buf)
struct w83793_data *data = w83793_update_device(dev);
long temp = TEMP_FROM_REG(data->temp[index][nr]);
- if (TEMP_READ == nr && index < 4) { /* Only TD1-TD4 have low bits */
+ if (nr == TEMP_READ && index < 4) { /* Only TD1-TD4 have low bits */
int low = ((data->temp_low_bits >> (index * 2)) & 0x03) * 250;
temp += temp > 0 ? low : -low;
}
@@ -580,7 +617,12 @@ store_temp(struct device *dev, struct device_attribute *attr,
int index = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct w83793_data *data = i2c_get_clientdata(client);
- long tmp = simple_strtol(buf, NULL, 10);
+ long tmp;
+ int err;
+
+ err = kstrtol(buf, 10, &tmp);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp[index][nr] = TEMP_TO_REG(tmp, -128, 127);
@@ -591,18 +633,18 @@ store_temp(struct device *dev, struct device_attribute *attr,
}
/*
- TD1-TD4
- each has 4 mode:(2 bits)
- 0: Stop monitor
- 1: Use internal temp sensor(default)
- 2: Reserved
- 3: Use sensor in Intel CPU and get result by PECI
-
- TR1-TR2
- each has 2 mode:(1 bit)
- 0: Disable temp sensor monitor
- 1: To enable temp sensors monitor
-*/
+ * TD1-TD4
+ * each has 4 mode:(2 bits)
+ * 0: Stop monitor
+ * 1: Use internal temp sensor(default)
+ * 2: Reserved
+ * 3: Use sensor in Intel CPU and get result by PECI
+ *
+ * TR1-TR2
+ * each has 2 mode:(1 bit)
+ * 0: Disable temp sensor monitor
+ * 1: To enable temp sensors monitor
+ */
/* 0 disable, 6 PECI */
static u8 TO_TEMP_MODE[] = { 0, 0, 0, 6 };
@@ -622,11 +664,10 @@ show_temp_mode(struct device *dev, struct device_attribute *attr, char *buf)
tmp = (data->temp_mode[index] >> shift) & mask;
/* for the internal sensor, found out if diode or thermistor */
- if (tmp == 1) {
+ if (tmp == 1)
tmp = index == 0 ? 3 : 4;
- } else {
+ else
tmp = TO_TEMP_MODE[tmp];
- }
return sprintf(buf, "%d\n", tmp);
}
@@ -642,7 +683,12 @@ store_temp_mode(struct device *dev, struct device_attribute *attr,
int index = sensor_attr->index;
u8 mask = (index < 4) ? 0x03 : 0x01;
u8 shift = (index < 4) ? (2 * index) : (index - 4);
- u8 val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
/* transform the sysfs interface values into table above */
if ((val == 6) && (index < 4)) {
@@ -681,15 +727,14 @@ show_sf_setup(struct device *dev, struct device_attribute *attr, char *buf)
struct w83793_data *data = w83793_update_device(dev);
u32 val = 0;
- if (SETUP_PWM_DEFAULT == nr) {
+ if (nr == SETUP_PWM_DEFAULT)
val = (data->pwm_default & 0x3f) << 2;
- } else if (SETUP_PWM_UPTIME == nr) {
+ else if (nr == SETUP_PWM_UPTIME)
val = TIME_FROM_REG(data->pwm_uptime);
- } else if (SETUP_PWM_DOWNTIME == nr) {
+ else if (nr == SETUP_PWM_DOWNTIME)
val = TIME_FROM_REG(data->pwm_downtime);
- } else if (SETUP_TEMP_CRITICAL == nr) {
+ else if (nr == SETUP_TEMP_CRITICAL)
val = TEMP_FROM_REG(data->temp_critical & 0x7f);
- }
return sprintf(buf, "%d\n", val);
}
@@ -703,31 +748,34 @@ store_sf_setup(struct device *dev, struct device_attribute *attr,
int nr = sensor_attr->nr;
struct i2c_client *client = to_i2c_client(dev);
struct w83793_data *data = i2c_get_clientdata(client);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
- if (SETUP_PWM_DEFAULT == nr) {
+ if (nr == SETUP_PWM_DEFAULT) {
data->pwm_default =
w83793_read_value(client, W83793_REG_PWM_DEFAULT) & 0xc0;
- data->pwm_default |= SENSORS_LIMIT(simple_strtoul(buf, NULL,
- 10),
- 0, 0xff) >> 2;
+ data->pwm_default |= SENSORS_LIMIT(val, 0, 0xff) >> 2;
w83793_write_value(client, W83793_REG_PWM_DEFAULT,
data->pwm_default);
- } else if (SETUP_PWM_UPTIME == nr) {
- data->pwm_uptime = TIME_TO_REG(simple_strtoul(buf, NULL, 10));
+ } else if (nr == SETUP_PWM_UPTIME) {
+ data->pwm_uptime = TIME_TO_REG(val);
data->pwm_uptime += data->pwm_uptime == 0 ? 1 : 0;
w83793_write_value(client, W83793_REG_PWM_UPTIME,
data->pwm_uptime);
- } else if (SETUP_PWM_DOWNTIME == nr) {
- data->pwm_downtime = TIME_TO_REG(simple_strtoul(buf, NULL, 10));
+ } else if (nr == SETUP_PWM_DOWNTIME) {
+ data->pwm_downtime = TIME_TO_REG(val);
data->pwm_downtime += data->pwm_downtime == 0 ? 1 : 0;
w83793_write_value(client, W83793_REG_PWM_DOWNTIME,
data->pwm_downtime);
} else { /* SETUP_TEMP_CRITICAL */
data->temp_critical =
w83793_read_value(client, W83793_REG_TEMP_CRITICAL) & 0x80;
- data->temp_critical |= TEMP_TO_REG(simple_strtol(buf, NULL, 10),
- 0, 0x7f);
+ data->temp_critical |= TEMP_TO_REG(val, 0, 0x7f);
w83793_write_value(client, W83793_REG_TEMP_CRITICAL,
data->temp_critical);
}
@@ -737,31 +785,31 @@ store_sf_setup(struct device *dev, struct device_attribute *attr,
}
/*
- Temp SmartFan control
- TEMP_FAN_MAP
- Temp channel control which pwm fan, bitfield, bit 0 indicate pwm1...
- It's possible two or more temp channels control the same fan, w83793
- always prefers to pick the most critical request and applies it to
- the related Fan.
- It's possible one fan is not in any mapping of 6 temp channels, this
- means the fan is manual mode
-
- TEMP_PWM_ENABLE
- Each temp channel has its own SmartFan mode, and temp channel
- control fans that are set by TEMP_FAN_MAP
- 0: SmartFanII mode
- 1: Thermal Cruise Mode
-
- TEMP_CRUISE
- Target temperature in thermal cruise mode, w83793 will try to turn
- fan speed to keep the temperature of target device around this
- temperature.
-
- TEMP_TOLERANCE
- If Temp higher or lower than target with this tolerance, w83793
- will take actions to speed up or slow down the fan to keep the
- temperature within the tolerance range.
-*/
+ * Temp SmartFan control
+ * TEMP_FAN_MAP
+ * Temp channel control which pwm fan, bitfield, bit 0 indicate pwm1...
+ * It's possible two or more temp channels control the same fan, w83793
+ * always prefers to pick the most critical request and applies it to
+ * the related Fan.
+ * It's possible one fan is not in any mapping of 6 temp channels, this
+ * means the fan is manual mode
+ *
+ * TEMP_PWM_ENABLE
+ * Each temp channel has its own SmartFan mode, and temp channel
+ * control fans that are set by TEMP_FAN_MAP
+ * 0: SmartFanII mode
+ * 1: Thermal Cruise Mode
+ *
+ * TEMP_CRUISE
+ * Target temperature in thermal cruise mode, w83793 will try to turn
+ * fan speed to keep the temperature of target device around this
+ * temperature.
+ *
+ * TEMP_TOLERANCE
+ * If Temp higher or lower than target with this tolerance, w83793
+ * will take actions to speed up or slow down the fan to keep the
+ * temperature within the tolerance range.
+ */
#define TEMP_FAN_MAP 0
#define TEMP_PWM_ENABLE 1
@@ -777,12 +825,12 @@ show_sf_ctrl(struct device *dev, struct device_attribute *attr, char *buf)
struct w83793_data *data = w83793_update_device(dev);
u32 val;
- if (TEMP_FAN_MAP == nr) {
+ if (nr == TEMP_FAN_MAP) {
val = data->temp_fan_map[index];
- } else if (TEMP_PWM_ENABLE == nr) {
+ } else if (nr == TEMP_PWM_ENABLE) {
/* +2 to transfrom into 2 and 3 to conform with sysfs intf */
val = ((data->pwm_enable >> index) & 0x01) + 2;
- } else if (TEMP_CRUISE == nr) {
+ } else if (nr == TEMP_CRUISE) {
val = TEMP_FROM_REG(data->temp_cruise[index] & 0x7f);
} else { /* TEMP_TOLERANCE */
val = data->tolerance[index >> 1] >> ((index & 0x01) ? 4 : 0);
@@ -801,16 +849,20 @@ store_sf_ctrl(struct device *dev, struct device_attribute *attr,
int index = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct w83793_data *data = i2c_get_clientdata(client);
- u32 val;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
- if (TEMP_FAN_MAP == nr) {
- val = simple_strtoul(buf, NULL, 10) & 0xff;
+ if (nr == TEMP_FAN_MAP) {
+ val = SENSORS_LIMIT(val, 0, 255);
w83793_write_value(client, W83793_REG_TEMP_FAN_MAP(index), val);
data->temp_fan_map[index] = val;
- } else if (TEMP_PWM_ENABLE == nr) {
- val = simple_strtoul(buf, NULL, 10);
- if (2 == val || 3 == val) {
+ } else if (nr == TEMP_PWM_ENABLE) {
+ if (val == 2 || val == 3) {
data->pwm_enable =
w83793_read_value(client, W83793_REG_PWM_ENABLE);
if (val - 2)
@@ -823,12 +875,11 @@ store_sf_ctrl(struct device *dev, struct device_attribute *attr,
mutex_unlock(&data->update_lock);
return -EINVAL;
}
- } else if (TEMP_CRUISE == nr) {
+ } else if (nr == TEMP_CRUISE) {
data->temp_cruise[index] =
w83793_read_value(client, W83793_REG_TEMP_CRUISE(index));
- val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x7f);
data->temp_cruise[index] &= 0x80;
- data->temp_cruise[index] |= val;
+ data->temp_cruise[index] |= TEMP_TO_REG(val, 0, 0x7f);
w83793_write_value(client, W83793_REG_TEMP_CRUISE(index),
data->temp_cruise[index]);
@@ -838,9 +889,8 @@ store_sf_ctrl(struct device *dev, struct device_attribute *attr,
data->tolerance[i] =
w83793_read_value(client, W83793_REG_TEMP_TOL(i));
- val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x0f);
data->tolerance[i] &= ~(0x0f << shift);
- data->tolerance[i] |= val << shift;
+ data->tolerance[i] |= TEMP_TO_REG(val, 0, 0x0f) << shift;
w83793_write_value(client, W83793_REG_TEMP_TOL(i),
data->tolerance[i]);
}
@@ -871,7 +921,13 @@ store_sf2_pwm(struct device *dev, struct device_attribute *attr,
to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr;
int index = sensor_attr->index;
- u8 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 0xff) >> 2;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+ val = SENSORS_LIMIT(val, 0, 0xff) >> 2;
mutex_lock(&data->update_lock);
data->sf2_pwm[index][nr] =
@@ -906,7 +962,13 @@ store_sf2_temp(struct device *dev, struct device_attribute *attr,
to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr;
int index = sensor_attr->index;
- u8 val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x7f);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
+ val = TEMP_TO_REG(val, 0, 0x7f);
mutex_lock(&data->update_lock);
data->sf2_temp[index][nr] =
@@ -948,17 +1010,19 @@ store_in(struct device *dev, struct device_attribute *attr,
int index = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct w83793_data *data = i2c_get_clientdata(client);
- u32 val;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+ val = (val + scale_in[index] / 2) / scale_in[index];
- val =
- (simple_strtoul(buf, NULL, 10) +
- scale_in[index] / 2) / scale_in[index];
mutex_lock(&data->update_lock);
if (index > 2) {
/* fix the limit values of 5VDD and 5VSB to ALARM mechanism */
- if (1 == nr || 2 == nr) {
+ if (nr == 1 || nr == 2)
val -= scale_in_add[index] / scale_in[index];
- }
val = SENSORS_LIMIT(val, 0, 255);
} else {
val = SENSORS_LIMIT(val, 0, 0x3FF);
@@ -1143,9 +1207,8 @@ static struct sensor_device_attribute_2 sda_single_files[] = {
static void w83793_init_client(struct i2c_client *client)
{
- if (reset) {
+ if (reset)
w83793_write_value(client, W83793_REG_CONFIG, 0x80);
- }
/* Start monitoring */
w83793_write_value(client, W83793_REG_CONFIG,
@@ -1259,10 +1322,12 @@ static int watchdog_open(struct inode *inode, struct file *filp)
struct w83793_data *pos, *data = NULL;
int watchdog_is_open;
- /* We get called from drivers/char/misc.c with misc_mtx hold, and we
- call misc_register() from w83793_probe() with watchdog_data_mutex
- hold, as misc_register() takes the misc_mtx lock, this is a possible
- deadlock, so we use mutex_trylock here. */
+ /*
+ * We get called from drivers/char/misc.c with misc_mtx hold, and we
+ * call misc_register() from w83793_probe() with watchdog_data_mutex
+ * hold, as misc_register() takes the misc_mtx lock, this is a possible
+ * deadlock, so we use mutex_trylock here.
+ */
if (!mutex_trylock(&watchdog_data_mutex))
return -ERESTARTSYS;
list_for_each_entry(pos, &watchdog_data_list, list) {
@@ -1275,8 +1340,10 @@ static int watchdog_open(struct inode *inode, struct file *filp)
/* Check, if device is already open */
watchdog_is_open = test_and_set_bit(0, &data->watchdog_is_open);
- /* Increase data reference counter (if not already done).
- Note we can never not have found data, so we don't check for this */
+ /*
+ * Increase data reference counter (if not already done).
+ * Note we can never not have found data, so we don't check for this
+ */
if (!watchdog_is_open)
kref_get(&data->kref);
@@ -1556,9 +1623,8 @@ w83793_detect_subclients(struct i2c_client *client)
}
tmp = w83793_read_value(client, W83793_REG_I2C_SUBADDR);
- if (!(tmp & 0x08)) {
+ if (!(tmp & 0x08))
data->lm75[0] = i2c_new_dummy(adapter, 0x48 + (tmp & 0x7));
- }
if (!(tmp & 0x80)) {
if ((data->lm75[0] != NULL)
&& ((tmp & 0x7) == ((tmp >> 4) & 0x7))) {
@@ -1591,9 +1657,8 @@ static int w83793_detect(struct i2c_client *client,
struct i2c_adapter *adapter = client->adapter;
unsigned short address = client->addr;
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -ENODEV;
- }
bank = i2c_smbus_read_byte_data(client, W83793_REG_BANKSEL);
@@ -1604,8 +1669,10 @@ static int w83793_detect(struct i2c_client *client,
return -ENODEV;
}
- /* If Winbond chip, address of chip and W83793_REG_I2C_ADDR
- should match */
+ /*
+ * If Winbond chip, address of chip and W83793_REG_I2C_ADDR
+ * should match
+ */
if ((bank & 0x07) == 0
&& i2c_smbus_read_byte_data(client, W83793_REG_I2C_ADDR) !=
(address << 1)) {
@@ -1647,9 +1714,11 @@ static int w83793_probe(struct i2c_client *client,
INIT_LIST_HEAD(&data->list);
kref_init(&data->kref);
- /* Store client pointer in our data struct for watchdog usage
- (where the client is found through a data ptr instead of the
- otherway around) */
+ /*
+ * Store client pointer in our data struct for watchdog usage
+ * (where the client is found through a data ptr instead of the
+ * otherway around)
+ */
data->client = client;
err = w83793_detect_subclients(client);
@@ -1660,8 +1729,8 @@ static int w83793_probe(struct i2c_client *client,
w83793_init_client(client);
/*
- Only fan 1-5 has their own input pins,
- Pwm 1-3 has their own pins
+ * Only fan 1-5 has their own input pins,
+ * Pwm 1-3 has their own pins
*/
data->has_fan = 0x1f;
data->has_pwm = 0x07;
@@ -1723,7 +1792,7 @@ static int w83793_probe(struct i2c_client *client,
}
/* check the temp1-6 mode, ignore former AMDSI selected inputs */
- tmp = w83793_read_value(client,W83793_REG_TEMP_MODE[0]);
+ tmp = w83793_read_value(client, W83793_REG_TEMP_MODE[0]);
if (tmp & 0x01)
data->has_temp |= 0x01;
if (tmp & 0x04)
@@ -1733,7 +1802,7 @@ static int w83793_probe(struct i2c_client *client,
if (tmp & 0x40)
data->has_temp |= 0x08;
- tmp = w83793_read_value(client,W83793_REG_TEMP_MODE[1]);
+ tmp = w83793_read_value(client, W83793_REG_TEMP_MODE[1]);
if (tmp & 0x01)
data->has_temp |= 0x10;
if (tmp & 0x02)
@@ -1823,9 +1892,11 @@ static int w83793_probe(struct i2c_client *client,
goto exit_devunreg;
}
- /* Enable Watchdog registers.
- Set Configuration Register to Enable Watch Dog Registers
- (Bit 2) = XXXX, X1XX. */
+ /*
+ * Enable Watchdog registers.
+ * Set Configuration Register to Enable Watch Dog Registers
+ * (Bit 2) = XXXX, X1XX.
+ */
tmp = w83793_read_value(client, W83793_REG_CONFIG);
w83793_write_value(client, W83793_REG_CONFIG, tmp | 0x04);
@@ -1839,9 +1910,11 @@ static int w83793_probe(struct i2c_client *client,
/* Disable Soft Watchdog during initialiation */
watchdog_disable(data);
- /* We take the data_mutex lock early so that watchdog_open() cannot
- run when misc_register() has completed, but we've not yet added
- our data to the watchdog_data_list (and set the default timeout) */
+ /*
+ * We take the data_mutex lock early so that watchdog_open() cannot
+ * run when misc_register() has completed, but we've not yet added
+ * our data to the watchdog_data_list (and set the default timeout)
+ */
mutex_lock(&watchdog_data_mutex);
for (i = 0; i < ARRAY_SIZE(watchdog_minors); i++) {
/* Register our watchdog part */
@@ -1921,9 +1994,9 @@ static void w83793_update_nonvolatile(struct device *dev)
struct w83793_data *data = i2c_get_clientdata(client);
int i, j;
/*
- They are somewhat "stable" registers, and to update them every time
- takes so much time, it's just not worthy. Update them in a long
- interval to avoid exception.
+ * They are somewhat "stable" registers, and to update them every time
+ * takes so much time, it's just not worthy. Update them in a long
+ * interval to avoid exception.
*/
if (!(time_after(jiffies, data->last_nonvolatile + HZ * 300)
|| !data->valid))
@@ -1940,9 +2013,8 @@ static void w83793_update_nonvolatile(struct device *dev)
for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) {
/* Update the Fan measured value and limits */
- if (!(data->has_fan & (1 << i))) {
+ if (!(data->has_fan & (1 << i)))
continue;
- }
data->fan_min[i] =
w83793_read_value(client, W83793_REG_FAN_MIN(i)) << 8;
data->fan_min[i] |=
@@ -1997,9 +2069,8 @@ static void w83793_update_nonvolatile(struct device *dev)
w83793_read_value(client, W83793_REG_TEMP_CRITICAL);
data->beep_enable = w83793_read_value(client, W83793_REG_OVT_BEEP);
- for (i = 0; i < ARRAY_SIZE(data->beeps); i++) {
+ for (i = 0; i < ARRAY_SIZE(data->beeps); i++)
data->beeps[i] = w83793_read_value(client, W83793_REG_BEEP(i));
- }
data->last_nonvolatile = jiffies;
}
@@ -2025,9 +2096,8 @@ static struct w83793_data *w83793_update_device(struct device *dev)
w83793_read_value(client, W83793_REG_IN_LOW_BITS[IN_READ]);
for (i = 0; i < ARRAY_SIZE(data->fan); i++) {
- if (!(data->has_fan & (1 << i))) {
+ if (!(data->has_fan & (1 << i)))
continue;
- }
data->fan[i] =
w83793_read_value(client, W83793_REG_FAN(i)) << 8;
data->fan[i] |=
@@ -2067,8 +2137,10 @@ END:
return data;
}
-/* Ignore the possibility that somebody change bank outside the driver
- Must be called with data->update_lock held, except during initialization */
+/*
+ * Ignore the possibility that somebody change bank outside the driver
+ * Must be called with data->update_lock held, except during initialization
+ */
static u8 w83793_read_value(struct i2c_client *client, u16 reg)
{
struct w83793_data *data = i2c_get_clientdata(client);
@@ -2103,16 +2175,16 @@ static int w83793_write_value(struct i2c_client *client, u16 reg, u8 value)
new_bank |= data->bank & 0xfc;
if (data->bank != new_bank) {
- if ((res = i2c_smbus_write_byte_data
- (client, W83793_REG_BANKSEL, new_bank)) >= 0)
- data->bank = new_bank;
- else {
+ res = i2c_smbus_write_byte_data(client, W83793_REG_BANKSEL,
+ new_bank);
+ if (res < 0) {
dev_err(&client->dev,
"set bank to %d failed, fall back "
"to bank %d, write reg 0x%x error\n",
new_bank, data->bank, reg);
goto END;
}
+ data->bank = new_bank;
}
res = i2c_smbus_write_byte_data(client, reg & 0xff, value);
@@ -2120,19 +2192,8 @@ END:
return res;
}
-static int __init sensors_w83793_init(void)
-{
- return i2c_add_driver(&w83793_driver);
-}
-
-static void __exit sensors_w83793_exit(void)
-{
- i2c_del_driver(&w83793_driver);
-}
+module_i2c_driver(w83793_driver);
MODULE_AUTHOR("Yuan Mu, Sven Anders");
MODULE_DESCRIPTION("w83793 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_w83793_init);
-module_exit(sensors_w83793_exit);
diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c
index aa58b25565b..deb12c98280 100644
--- a/drivers/hwmon/w83795.c
+++ b/drivers/hwmon/w83795.c
@@ -2244,19 +2244,8 @@ static struct i2c_driver w83795_driver = {
.address_list = normal_i2c,
};
-static int __init sensors_w83795_init(void)
-{
- return i2c_add_driver(&w83795_driver);
-}
-
-static void __exit sensors_w83795_exit(void)
-{
- i2c_del_driver(&w83795_driver);
-}
+module_i2c_driver(w83795_driver);
MODULE_AUTHOR("Wei Song, Jean Delvare <khali@linux-fr.org>");
MODULE_DESCRIPTION("W83795G/ADG hardware monitoring driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_w83795_init);
-module_exit(sensors_w83795_exit);
diff --git a/drivers/hwmon/w83l785ts.c b/drivers/hwmon/w83l785ts.c
index 20781def65e..5f14e389705 100644
--- a/drivers/hwmon/w83l785ts.c
+++ b/drivers/hwmon/w83l785ts.c
@@ -86,7 +86,7 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev);
/*
* Driver data (common to all clients)
*/
-
+
static const struct i2c_device_id w83l785ts_id[] = {
{ "w83l785ts", 0 },
{ }
@@ -116,8 +116,7 @@ struct w83l785ts_data {
unsigned long last_updated; /* in jiffies */
/* registers values */
- s8 temp[2]; /* 0: input
- 1: critical limit */
+ s8 temp[2]; /* 0: input, 1: critical limit */
};
/*
@@ -250,8 +249,10 @@ static u8 w83l785ts_read_value(struct i2c_client *client, u8 reg, u8 defval)
struct device *dev;
const char *prefix;
- /* We might be called during detection, at which point the client
- isn't yet fully initialized, so we can't use dev_dbg on it */
+ /*
+ * We might be called during detection, at which point the client
+ * isn't yet fully initialized, so we can't use dev_dbg on it
+ */
if (i2c_get_clientdata(client)) {
dev = &client->dev;
prefix = "";
@@ -260,9 +261,11 @@ static u8 w83l785ts_read_value(struct i2c_client *client, u8 reg, u8 defval)
prefix = "w83l785ts: ";
}
- /* Frequent read errors have been reported on Asus boards, so we
+ /*
+ * Frequent read errors have been reported on Asus boards, so we
* retry on read errors. If it still fails (unlikely), return the
- * default value requested by the caller. */
+ * default value requested by the caller.
+ */
for (i = 1; i <= MAX_RETRIES; i++) {
value = i2c_smbus_read_byte_data(client, reg);
if (value >= 0) {
@@ -302,19 +305,8 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev)
return data;
}
-static int __init sensors_w83l785ts_init(void)
-{
- return i2c_add_driver(&w83l785ts_driver);
-}
-
-static void __exit sensors_w83l785ts_exit(void)
-{
- i2c_del_driver(&w83l785ts_driver);
-}
+module_i2c_driver(w83l785ts_driver);
MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
MODULE_DESCRIPTION("W83L785TS-S driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_w83l785ts_init);
-module_exit(sensors_w83l785ts_exit);
diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c
index 063bd9508d8..5850b770608 100644
--- a/drivers/hwmon/w83l786ng.c
+++ b/drivers/hwmon/w83l786ng.c
@@ -1,28 +1,28 @@
/*
- w83l786ng.c - Linux kernel driver for hardware monitoring
- Copyright (c) 2007 Kevin Lo <kevlo@kevlo.org>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation - version 2.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301 USA.
-*/
+ * w83l786ng.c - Linux kernel driver for hardware monitoring
+ * Copyright (c) 2007 Kevin Lo <kevlo@kevlo.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation - version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA.
+ */
/*
- Supports following chips:
-
- Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
- w83l786ng 3 2 2 2 0x7b 0x5ca3 yes no
-*/
+ * Supports following chips:
+ *
+ * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
+ * w83l786ng 3 2 2 2 0x7b 0x5ca3 yes no
+ */
#include <linux/module.h>
#include <linux/init.h>
@@ -52,7 +52,7 @@ MODULE_PARM_DESC(reset, "Set to 1 to reset chip, not recommended");
#define W83L786NG_REG_CONFIG 0x40
#define W83L786NG_REG_ALARM1 0x41
-#define W83L786NG_REG_ALARM2 0x42
+#define W83L786NG_REG_ALARM2 0x42
#define W83L786NG_REG_GPIO_EN 0x47
#define W83L786NG_REG_MAN_ID2 0x4C
#define W83L786NG_REG_MAN_ID1 0x4D
@@ -89,19 +89,23 @@ FAN_TO_REG(long rpm, int div)
return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
}
-#define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \
+#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : \
((val) == 255 ? 0 : \
1350000 / ((val) * (div))))
/* for temp */
-#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \
- : (val)) / 1000, 0, 0xff))
-#define TEMP_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000)
-
-/* The analog voltage inputs have 8mV LSB. Since the sysfs output is
- in mV as would be measured on the chip input pin, need to just
- multiply/divide by 8 to translate from/to register values. */
-#define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 4) / 8), 0, 255))
+#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val) < 0 ? \
+ (val) + 0x100 * 1000 \
+ : (val)) / 1000, 0, 0xff))
+#define TEMP_FROM_REG(val) (((val) & 0x80 ? \
+ (val) - 0x100 : (val)) * 1000)
+
+/*
+ * The analog voltage inputs have 8mV LSB. Since the sysfs output is
+ * in mV as would be measured on the chip input pin, need to just
+ * multiply/divide by 8 to translate from/to register values.
+ */
+#define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 4) / 8), 0, 255))
#define IN_FROM_REG(val) ((val) * 8)
#define DIV_FROM_REG(val) (1 << (val))
@@ -116,7 +120,7 @@ DIV_TO_REG(long val)
break;
val >>= 1;
}
- return ((u8) i);
+ return (u8)i;
}
struct w83l786ng_data {
@@ -125,7 +129,7 @@ struct w83l786ng_data {
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
unsigned long last_nonvolatile; /* In jiffies, last time we update the
- nonvolatile registers */
+ * nonvolatile registers */
u8 in[3];
u8 in_max[3];
@@ -137,10 +141,10 @@ struct w83l786ng_data {
u8 temp[2][3];
u8 pwm[2];
u8 pwm_mode[2]; /* 0->DC variable voltage
- 1->PWM variable duty cycle */
+ * 1->PWM variable duty cycle */
u8 pwm_enable[2]; /* 1->manual
- 2->thermal cruise (also called SmartFan I) */
+ * 2->thermal cruise (also called SmartFan I) */
u8 tolerance[2];
};
@@ -186,11 +190,11 @@ w83l786ng_write_value(struct i2c_client *client, u8 reg, u8 value)
#define show_in_reg(reg) \
static ssize_t \
show_##reg(struct device *dev, struct device_attribute *attr, \
- char *buf) \
+ char *buf) \
{ \
int nr = to_sensor_dev_attr(attr)->index; \
struct w83l786ng_data *data = w83l786ng_update_device(dev); \
- return sprintf(buf,"%d\n", IN_FROM_REG(data->reg[nr])); \
+ return sprintf(buf, "%d\n", IN_FROM_REG(data->reg[nr])); \
}
show_in_reg(in)
@@ -199,13 +203,16 @@ show_in_reg(in_max)
#define store_in_reg(REG, reg) \
static ssize_t \
-store_in_##reg (struct device *dev, struct device_attribute *attr, \
- const char *buf, size_t count) \
+store_in_##reg(struct device *dev, struct device_attribute *attr, \
+ const char *buf, size_t count) \
{ \
int nr = to_sensor_dev_attr(attr)->index; \
struct i2c_client *client = to_i2c_client(dev); \
struct w83l786ng_data *data = i2c_get_clientdata(client); \
- unsigned long val = simple_strtoul(buf, NULL, 10); \
+ unsigned long val; \
+ int err = kstrtoul(buf, 10, &val); \
+ if (err) \
+ return err; \
mutex_lock(&data->update_lock); \
data->in_##reg[nr] = IN_TO_REG(val); \
w83l786ng_write_value(client, W83L786NG_REG_IN_##REG(nr), \
@@ -241,8 +248,8 @@ static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
{ \
int nr = to_sensor_dev_attr(attr)->index; \
struct w83l786ng_data *data = w83l786ng_update_device(dev); \
- return sprintf(buf,"%d\n", \
- FAN_FROM_REG(data->fan[nr], DIV_FROM_REG(data->fan_div[nr]))); \
+ return sprintf(buf, "%d\n", \
+ FAN_FROM_REG(data->fan[nr], DIV_FROM_REG(data->fan_div[nr]))); \
}
show_fan_reg(fan);
@@ -255,9 +262,13 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct w83l786ng_data *data = i2c_get_clientdata(client);
- u32 val;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
- val = simple_strtoul(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
w83l786ng_write_value(client, W83L786NG_REG_FAN_MIN(nr),
@@ -276,10 +287,12 @@ show_fan_div(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr]));
}
-/* Note: we save and restore the fan minimum here, because its value is
- determined in part by the fan divisor. This follows the principle of
- least surprise; the user doesn't expect the fan minimum to change just
- because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor. This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
static ssize_t
store_fan_div(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
@@ -294,11 +307,18 @@ store_fan_div(struct device *dev, struct device_attribute *attr,
u8 keep_mask = 0;
u8 new_shift = 0;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
/* Save fan_min */
mutex_lock(&data->update_lock);
min = FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr]));
- data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10));
+ data->fan_div[nr] = DIV_TO_REG(val);
switch (nr) {
case 0:
@@ -371,16 +391,20 @@ store_temp(struct device *dev, struct device_attribute *attr,
int index = sensor_attr->index;
struct i2c_client *client = to_i2c_client(dev);
struct w83l786ng_data *data = i2c_get_clientdata(client);
- s32 val;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
- val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->temp[nr][index] = TEMP_TO_REG(val);
w83l786ng_write_value(client, W83L786NG_REG_TEMP[nr][index],
data->temp[nr][index]);
mutex_unlock(&data->update_lock);
- return count;
+ return count;
}
static struct sensor_device_attribute_2 sda_temp_input[] = {
@@ -403,8 +427,8 @@ static struct sensor_device_attribute_2 sda_temp_max_hyst[] = {
};
#define show_pwm_reg(reg) \
-static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \
- char *buf) \
+static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
+ char *buf) \
{ \
struct w83l786ng_data *data = w83l786ng_update_device(dev); \
int nr = to_sensor_dev_attr(attr)->index; \
@@ -422,8 +446,13 @@ store_pwm_mode(struct device *dev, struct device_attribute *attr,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct w83l786ng_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
u8 reg;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
if (val > 1)
return -EINVAL;
@@ -445,7 +474,13 @@ store_pwm(struct device *dev, struct device_attribute *attr,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct w83l786ng_data *data = i2c_get_clientdata(client);
- u32 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 255);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+ val = SENSORS_LIMIT(val, 0, 255);
mutex_lock(&data->update_lock);
data->pwm[nr] = val;
@@ -461,11 +496,15 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct w83l786ng_data *data = i2c_get_clientdata(client);
- u32 val = simple_strtoul(buf, NULL, 10);
-
u8 reg;
+ unsigned long val;
+ int err;
- if (!val || (val > 2)) /* only modes 1 and 2 are supported */
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
+ if (!val || val > 2) /* only modes 1 and 2 are supported */
return -EINVAL;
mutex_lock(&data->update_lock);
@@ -513,10 +552,13 @@ store_tolerance(struct device *dev, struct device_attribute *attr,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct w83l786ng_data *data = i2c_get_clientdata(client);
- u32 val;
u8 tol_tmp, tol_mask;
+ unsigned long val;
+ int err;
- val = simple_strtoul(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
tol_mask = w83l786ng_read_value(client,
@@ -524,9 +566,8 @@ store_tolerance(struct device *dev, struct device_attribute *attr,
tol_tmp = SENSORS_LIMIT(val, 0, 15);
tol_tmp &= 0x0f;
data->tolerance[nr] = tol_tmp;
- if (nr == 1) {
+ if (nr == 1)
tol_tmp <<= 4;
- }
w83l786ng_write_value(client, W83L786NG_REG_TOLERANCE,
tol_mask | tol_tmp);
@@ -591,9 +632,8 @@ w83l786ng_detect(struct i2c_client *client, struct i2c_board_info *info)
u16 man_id;
u8 chip_id;
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -ENODEV;
- }
/* Detection */
if ((w83l786ng_read_value(client, W83L786NG_REG_CONFIG) & 0x80)) {
@@ -652,7 +692,8 @@ w83l786ng_probe(struct i2c_client *client, const struct i2c_device_id *id)
data->fan_div[1] = (reg_tmp >> 4) & 0x07;
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&client->dev.kobj, &w83l786ng_group)))
+ err = sysfs_create_group(&client->dev.kobj, &w83l786ng_group);
+ if (err)
goto exit_remove;
data->hwmon_dev = hwmon_device_register(dev);
@@ -769,21 +810,8 @@ static struct w83l786ng_data *w83l786ng_update_device(struct device *dev)
return data;
}
-static int __init
-sensors_w83l786ng_init(void)
-{
- return i2c_add_driver(&w83l786ng_driver);
-}
-
-static void __exit
-sensors_w83l786ng_exit(void)
-{
- i2c_del_driver(&w83l786ng_driver);
-}
+module_i2c_driver(w83l786ng_driver);
MODULE_AUTHOR("Kevin Lo");
MODULE_DESCRIPTION("w83l786ng driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_w83l786ng_init);
-module_exit(sensors_w83l786ng_exit);
diff --git a/drivers/hwmon/wm831x-hwmon.c b/drivers/hwmon/wm831x-hwmon.c
index 9b598ed2602..07cb25ae69b 100644
--- a/drivers/hwmon/wm831x-hwmon.c
+++ b/drivers/hwmon/wm831x-hwmon.c
@@ -40,7 +40,7 @@ static ssize_t show_name(struct device *dev,
return sprintf(buf, "wm831x\n");
}
-static const char *input_names[] = {
+static const char * const input_names[] = {
[WM831X_AUX_SYSVDD] = "SYSVDD",
[WM831X_AUX_USB] = "USB",
[WM831X_AUX_BKUP_BATT] = "Backup battery",
@@ -117,8 +117,10 @@ static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_chip_temp, NULL,
WM831X_AUX_CHIP_TEMP);
static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, show_label, NULL,
WM831X_AUX_CHIP_TEMP);
-/* Report as a voltage since conversion depends on external components
- * and that's what the ABI wants. */
+/*
+ * Report as a voltage since conversion depends on external components
+ * and that's what the ABI wants.
+ */
static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_voltage, NULL,
WM831X_AUX_BATT_TEMP);
static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, show_label, NULL,
diff --git a/drivers/hwmon/wm8350-hwmon.c b/drivers/hwmon/wm8350-hwmon.c
index 3ff67edbdc4..b955756bdb4 100644
--- a/drivers/hwmon/wm8350-hwmon.c
+++ b/drivers/hwmon/wm8350-hwmon.c
@@ -34,7 +34,7 @@ static ssize_t show_name(struct device *dev,
return sprintf(buf, "wm8350\n");
}
-static const char *input_names[] = {
+static const char * const input_names[] = {
[WM8350_AUXADC_USB] = "USB",
[WM8350_AUXADC_LINE] = "Line",
[WM8350_AUXADC_BATT] = "Battery",