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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-30 10:09:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-30 10:09:14 -0700
commitb94d10e7f6fce9af7d5054845511a00575c4b4f5 (patch)
tree8be617e5d9cfc8a1fe232ac2b6454caec7ca466a /drivers/media/dvb/b2c2/flexcop-eeprom.c
parentb80e0d271606a0f5b35c85b11f9014ce09cbc415 (diff)
parentfd3a019534e0a9ada11bcc357a8faa9251029cbb (diff)
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (707 commits) V4L/DVB (11316): saa7191: tuner ops wasn't set. V4L/DVB (11315): cx25840: fix 'unused variable' warning. V4L/DVB (11314): au8522: remove unused I2C_DRIVERID V4L/DVB (11313): v4l2-subdev: add enum_framesizes and enum_frameintervals. V4L/DVB (11312): tuner: remove V4L1 code from this driver. V4L/DVB (11311): v4l: replace 'ioctl' references in v4l i2c drivers V4L/DVB (11310): cx18: remove intermediate 'ioctl' step V4L/DVB (11309): cx25840: cleanup: remove intermediate 'ioctl' step V4L/DVB (11308): msp3400: use the V4L2 header since no V4L1 code is there V4L/DVB (11305): cx88: prevent probing rtc and ir devices V4L/DVB (11304): v4l2: remove v4l2_subdev_command calls where they are no longer needed. V4L/DVB (11303): tda7432: remove legacy code for old-style i2c API V4L/DVB (11302): tda9875: remove legacy code for old-style i2c API V4L/DVB (11301): wm8775: remove legacy code for old-style i2c API V4L/DVB (11300): cx88: convert to v4l2_subdev. V4L/DVB (11298): cx25840: remove legacy code for old-style i2c API V4L/DVB (11297): cx23885: convert to v4l2_subdev. V4L/DVB (11296): cx23885: bugfix error message if firmware is not found V4L/DVB (11295): cx23885: convert to v4l2_device. V4L/DVB (11293): uvcvideo: Add zero fill for VIDIOC_ENUM_FMT ...
Diffstat (limited to 'drivers/media/dvb/b2c2/flexcop-eeprom.c')
-rw-r--r--drivers/media/dvb/b2c2/flexcop-eeprom.c47
1 files changed, 19 insertions, 28 deletions
diff --git a/drivers/media/dvb/b2c2/flexcop-eeprom.c b/drivers/media/dvb/b2c2/flexcop-eeprom.c
index 8a8ae8a3e6b..a25373a9bd8 100644
--- a/drivers/media/dvb/b2c2/flexcop-eeprom.c
+++ b/drivers/media/dvb/b2c2/flexcop-eeprom.c
@@ -1,9 +1,7 @@
/*
- * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
- *
- * flexcop-eeprom.c - eeprom access methods (currently only MAC address reading is used)
- *
- * see flexcop.c for copyright information.
+ * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
+ * flexcop-eeprom.c - eeprom access methods (currently only MAC address reading)
+ * see flexcop.c for copyright information
*/
#include "flexcop.h"
@@ -14,17 +12,17 @@ static int eeprom_write(struct adapter *adapter, u16 addr, u8 *buf, u16 len)
return flex_i2c_write(adapter, 0x20000000, 0x50, addr, buf, len);
}
-static int eeprom_lrc_write(struct adapter *adapter, u32 addr, u32 len, u8 *wbuf, u8 *rbuf, int retries)
+static int eeprom_lrc_write(struct adapter *adapter, u32 addr,
+ u32 len, u8 *wbuf, u8 *rbuf, int retries)
{
- int i;
+int i;
- for (i = 0; i < retries; i++) {
- if (eeprom_write(adapter, addr, wbuf, len) == len) {
- if (eeprom_lrc_read(adapter, addr, len, rbuf, retries) == 1)
- return 1;
+for (i = 0; i < retries; i++) {
+ if (eeprom_write(adapter, addr, wbuf, len) == len) {
+ if (eeprom_lrc_read(adapter, addr, len, rbuf, retries) == 1)
+ return 1;
}
}
-
return 0;
}
@@ -39,12 +37,10 @@ static int eeprom_writeKey(struct adapter *adapter, u8 *key, u32 len)
return 0;
memcpy(wbuf, key, len);
-
wbuf[16] = 0;
wbuf[17] = 0;
wbuf[18] = 0;
wbuf[19] = calc_lrc(wbuf, 19);
-
return eeprom_lrc_write(adapter, 0x3e4, 20, wbuf, rbuf, 4);
}
@@ -59,7 +55,6 @@ static int eeprom_readKey(struct adapter *adapter, u8 *key, u32 len)
return 0;
memcpy(key, buf, len);
-
return 1;
}
@@ -74,9 +69,7 @@ static char eeprom_set_mac_addr(struct adapter *adapter, char type, u8 *mac)
tmp[3] = mac[5];
tmp[4] = mac[6];
tmp[5] = mac[7];
-
} else {
-
tmp[0] = mac[0];
tmp[1] = mac[1];
tmp[2] = mac[2];
@@ -90,11 +83,11 @@ static char eeprom_set_mac_addr(struct adapter *adapter, char type, u8 *mac)
if (eeprom_write(adapter, 0x3f8, tmp, 8) == 8)
return 1;
-
return 0;
}
-static int flexcop_eeprom_read(struct flexcop_device *fc, u16 addr, u8 *buf, u16 len)
+static int flexcop_eeprom_read(struct flexcop_device *fc,
+ u16 addr, u8 *buf, u16 len)
{
return fc->i2c_request(fc,FC_READ,FC_I2C_PORT_EEPROM,0x50,addr,buf,len);
}
@@ -110,7 +103,8 @@ static u8 calc_lrc(u8 *buf, int len)
return sum;
}
-static int flexcop_eeprom_request(struct flexcop_device *fc, flexcop_access_op_t op, u16 addr, u8 *buf, u16 len, int retries)
+static int flexcop_eeprom_request(struct flexcop_device *fc,
+ flexcop_access_op_t op, u16 addr, u8 *buf, u16 len, int retries)
{
int i,ret = 0;
u8 chipaddr = 0x50 | ((addr >> 8) & 3);
@@ -123,7 +117,8 @@ static int flexcop_eeprom_request(struct flexcop_device *fc, flexcop_access_op_t
return ret;
}
-static int flexcop_eeprom_lrc_read(struct flexcop_device *fc, u16 addr, u8 *buf, u16 len, int retries)
+static int flexcop_eeprom_lrc_read(struct flexcop_device *fc, u16 addr,
+ u8 *buf, u16 len, int retries)
{
int ret = flexcop_eeprom_request(fc, FC_READ, addr, buf, len, retries);
if (ret == 0)
@@ -133,8 +128,7 @@ static int flexcop_eeprom_lrc_read(struct flexcop_device *fc, u16 addr, u8 *buf,
}
/* JJ's comment about extended == 1: it is not presently used anywhere but was
- * added to the low-level functions for possible support of EUI64
- */
+ * added to the low-level functions for possible support of EUI64 */
int flexcop_eeprom_check_mac_addr(struct flexcop_device *fc, int extended)
{
u8 buf[8];
@@ -142,12 +136,9 @@ int flexcop_eeprom_check_mac_addr(struct flexcop_device *fc, int extended)
if ((ret = flexcop_eeprom_lrc_read(fc,0x3f8,buf,8,4)) == 0) {
if (extended != 0) {
- err("TODO: extended (EUI64) MAC addresses aren't completely supported yet");
+ err("TODO: extended (EUI64) MAC addresses aren't "
+ "completely supported yet");
ret = -EINVAL;
-/* memcpy(fc->dvb_adapter.proposed_mac,buf,3);
- mac[3] = 0xfe;
- mac[4] = 0xff;
- memcpy(&fc->dvb_adapter.proposed_mac[3],&buf[5],3); */
} else
memcpy(fc->dvb_adapter.proposed_mac,buf,6);
}