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path: root/drivers/hwmon/adt7411.c
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Diffstat (limited to 'drivers/hwmon/adt7411.c')
-rw-r--r--drivers/hwmon/adt7411.c43
1 files changed, 16 insertions, 27 deletions
diff --git a/drivers/hwmon/adt7411.c b/drivers/hwmon/adt7411.c
index f13c843a296..d9299dee37d 100644
--- a/drivers/hwmon/adt7411.c
+++ b/drivers/hwmon/adt7411.c
@@ -8,14 +8,13 @@
* 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>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
-#include <linux/delay.h>
#include <linux/mutex.h>
#include <linux/jiffies.h>
#include <linux/i2c.h>
@@ -197,7 +196,7 @@ static ssize_t adt7411_set_bit(struct device *dev,
int ret;
unsigned long flag;
- ret = strict_strtoul(buf, 0, &flag);
+ ret = kstrtoul(buf, 0, &flag);
if (ret || flag > 1)
return -EINVAL;
@@ -260,15 +259,17 @@ static int adt7411_detect(struct i2c_client *client,
val = i2c_smbus_read_byte_data(client, ADT7411_REG_MANUFACTURER_ID);
if (val < 0 || val != ADT7411_MANUFACTURER_ID) {
- dev_dbg(&client->dev, "Wrong manufacturer ID. Got %d, "
- "expected %d\n", val, ADT7411_MANUFACTURER_ID);
+ dev_dbg(&client->dev,
+ "Wrong manufacturer ID. Got %d, expected %d\n",
+ val, ADT7411_MANUFACTURER_ID);
return -ENODEV;
}
val = i2c_smbus_read_byte_data(client, ADT7411_REG_DEVICE_ID);
if (val < 0 || val != ADT7411_DEVICE_ID) {
- dev_dbg(&client->dev, "Wrong device ID. Got %d, "
- "expected %d\n", val, ADT7411_DEVICE_ID);
+ dev_dbg(&client->dev,
+ "Wrong device ID. Got %d, expected %d\n",
+ val, ADT7411_DEVICE_ID);
return -ENODEV;
}
@@ -277,13 +278,13 @@ static int adt7411_detect(struct i2c_client *client,
return 0;
}
-static int __devinit adt7411_probe(struct i2c_client *client,
+static int adt7411_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct adt7411_data *data;
int ret;
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
@@ -294,14 +295,14 @@ static int __devinit adt7411_probe(struct i2c_client *client,
ret = adt7411_modify_bit(client, ADT7411_REG_CFG1,
ADT7411_CFG1_START_MONITOR, 1);
if (ret < 0)
- goto exit_free;
+ return ret;
/* force update on first occasion */
data->next_update = jiffies;
ret = sysfs_create_group(&client->dev.kobj, &adt7411_attr_grp);
if (ret)
- goto exit_free;
+ return ret;
data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
@@ -315,18 +316,15 @@ static int __devinit adt7411_probe(struct i2c_client *client,
exit_remove:
sysfs_remove_group(&client->dev.kobj, &adt7411_attr_grp);
- exit_free:
- kfree(data);
return ret;
}
-static int __devexit adt7411_remove(struct i2c_client *client)
+static int adt7411_remove(struct i2c_client *client)
{
struct adt7411_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &adt7411_attr_grp);
- kfree(data);
return 0;
}
@@ -334,30 +332,21 @@ static const struct i2c_device_id adt7411_id[] = {
{ "adt7411", 0 },
{ }
};
+MODULE_DEVICE_TABLE(i2c, adt7411_id);
static struct i2c_driver adt7411_driver = {
.driver = {
.name = "adt7411",
},
.probe = adt7411_probe,
- .remove = __devexit_p(adt7411_remove),
+ .remove = adt7411_remove,
.id_table = adt7411_id,
.detect = adt7411_detect,
.address_list = normal_i2c,
.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>");