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authorJean Delvare <khali@linux-fr.org>2008-01-05 09:35:09 -0500
committerMark M. Hoffman <mhoffman@lightlink.com>2008-02-07 20:39:45 -0500
commit6cc37ee536bb90c428c8a7cde91f33ffe1fd27bd (patch)
tree04e127c56a8750a29a9ce61045082da338b865de /drivers/hwmon/lm80.c
parent1c1381076f8c6cf0a2c9918194e3fa6369cdf06a (diff)
hwmon: (lm80) Various cleanups
* Drop trailing whitespace * Fold a long line * Rename new_client to client * Drop redundant initializations to 0 * Drop bogus comment Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Diffstat (limited to 'drivers/hwmon/lm80.c')
-rw-r--r--drivers/hwmon/lm80.c49
1 files changed, 24 insertions, 25 deletions
diff --git a/drivers/hwmon/lm80.c b/drivers/hwmon/lm80.c
index 0bde0a382ef1..32dfdf38b161 100644
--- a/drivers/hwmon/lm80.c
+++ b/drivers/hwmon/lm80.c
@@ -127,7 +127,7 @@ struct lm80_data {
127 u16 alarms; /* Register encoding, combined */ 127 u16 alarms; /* Register encoding, combined */
128}; 128};
129 129
130/* 130/*
131 * Functions declaration 131 * Functions declaration
132 */ 132 */
133 133
@@ -336,7 +336,8 @@ set_temp(hot_hyst, temp_hot_hyst, LM80_REG_TEMP_HOT_HYST);
336set_temp(os_max, temp_os_max, LM80_REG_TEMP_OS_MAX); 336set_temp(os_max, temp_os_max, LM80_REG_TEMP_OS_MAX);
337set_temp(os_hyst, temp_os_hyst, LM80_REG_TEMP_OS_HYST); 337set_temp(os_hyst, temp_os_hyst, LM80_REG_TEMP_OS_HYST);
338 338
339static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) 339static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
340 char *buf)
340{ 341{
341 struct lm80_data *data = lm80_update_device(dev); 342 struct lm80_data *data = lm80_update_device(dev);
342 return sprintf(buf, "%u\n", data->alarms); 343 return sprintf(buf, "%u\n", data->alarms);
@@ -438,7 +439,7 @@ static const struct attribute_group lm80_group = {
438static int lm80_detect(struct i2c_adapter *adapter, int address, int kind) 439static int lm80_detect(struct i2c_adapter *adapter, int address, int kind)
439{ 440{
440 int i, cur; 441 int i, cur;
441 struct i2c_client *new_client; 442 struct i2c_client *client;
442 struct lm80_data *data; 443 struct lm80_data *data;
443 int err = 0; 444 int err = 0;
444 const char *name; 445 const char *name;
@@ -454,21 +455,20 @@ static int lm80_detect(struct i2c_adapter *adapter, int address, int kind)
454 goto exit; 455 goto exit;
455 } 456 }
456 457
457 new_client = &data->client; 458 client = &data->client;
458 i2c_set_clientdata(new_client, data); 459 i2c_set_clientdata(client, data);
459 new_client->addr = address; 460 client->addr = address;
460 new_client->adapter = adapter; 461 client->adapter = adapter;
461 new_client->driver = &lm80_driver; 462 client->driver = &lm80_driver;
462 new_client->flags = 0;
463 463
464 /* Now, we do the remaining detection. It is lousy. */ 464 /* Now, we do the remaining detection. It is lousy. */
465 if (lm80_read_value(new_client, LM80_REG_ALARM2) & 0xc0) 465 if (lm80_read_value(client, LM80_REG_ALARM2) & 0xc0)
466 goto error_free; 466 goto error_free;
467 for (i = 0x2a; i <= 0x3d; i++) { 467 for (i = 0x2a; i <= 0x3d; i++) {
468 cur = i2c_smbus_read_byte_data(new_client, i); 468 cur = i2c_smbus_read_byte_data(client, i);
469 if ((i2c_smbus_read_byte_data(new_client, i + 0x40) != cur) 469 if ((i2c_smbus_read_byte_data(client, i + 0x40) != cur)
470 || (i2c_smbus_read_byte_data(new_client, i + 0x80) != cur) 470 || (i2c_smbus_read_byte_data(client, i + 0x80) != cur)
471 || (i2c_smbus_read_byte_data(new_client, i + 0xc0) != cur)) 471 || (i2c_smbus_read_byte_data(client, i + 0xc0) != cur))
472 goto error_free; 472 goto error_free;
473 } 473 }
474 474
@@ -476,27 +476,26 @@ static int lm80_detect(struct i2c_adapter *adapter, int address, int kind)
476 kind = lm80; 476 kind = lm80;
477 name = "lm80"; 477 name = "lm80";
478 478
479 /* Fill in the remaining client fields and put it into the global list */ 479 /* Fill in the remaining client fields */
480 strlcpy(new_client->name, name, I2C_NAME_SIZE); 480 strlcpy(client->name, name, I2C_NAME_SIZE);
481 data->valid = 0;
482 mutex_init(&data->update_lock); 481 mutex_init(&data->update_lock);
483 482
484 /* Tell the I2C layer a new client has arrived */ 483 /* Tell the I2C layer a new client has arrived */
485 if ((err = i2c_attach_client(new_client))) 484 if ((err = i2c_attach_client(client)))
486 goto error_free; 485 goto error_free;
487 486
488 /* Initialize the LM80 chip */ 487 /* Initialize the LM80 chip */
489 lm80_init_client(new_client); 488 lm80_init_client(client);
490 489
491 /* A few vars need to be filled upon startup */ 490 /* A few vars need to be filled upon startup */
492 data->fan_min[0] = lm80_read_value(new_client, LM80_REG_FAN_MIN(1)); 491 data->fan_min[0] = lm80_read_value(client, LM80_REG_FAN_MIN(1));
493 data->fan_min[1] = lm80_read_value(new_client, LM80_REG_FAN_MIN(2)); 492 data->fan_min[1] = lm80_read_value(client, LM80_REG_FAN_MIN(2));
494 493
495 /* Register sysfs hooks */ 494 /* Register sysfs hooks */
496 if ((err = sysfs_create_group(&new_client->dev.kobj, &lm80_group))) 495 if ((err = sysfs_create_group(&client->dev.kobj, &lm80_group)))
497 goto error_detach; 496 goto error_detach;
498 497
499 data->hwmon_dev = hwmon_device_register(&new_client->dev); 498 data->hwmon_dev = hwmon_device_register(&client->dev);
500 if (IS_ERR(data->hwmon_dev)) { 499 if (IS_ERR(data->hwmon_dev)) {
501 err = PTR_ERR(data->hwmon_dev); 500 err = PTR_ERR(data->hwmon_dev);
502 goto error_remove; 501 goto error_remove;
@@ -505,9 +504,9 @@ static int lm80_detect(struct i2c_adapter *adapter, int address, int kind)
505 return 0; 504 return 0;
506 505
507error_remove: 506error_remove:
508 sysfs_remove_group(&new_client->dev.kobj, &lm80_group); 507 sysfs_remove_group(&client->dev.kobj, &lm80_group);
509error_detach: 508error_detach:
510 i2c_detach_client(new_client); 509 i2c_detach_client(client);
511error_free: 510error_free:
512 kfree(data); 511 kfree(data);
513exit: 512exit: