diff options
author | Jean Delvare <khali@linux-fr.org> | 2007-11-04 23:44:23 +0100 |
---|---|---|
committer | Mark M. Hoffman <mhoffman@lightlink.com> | 2008-02-08 02:39:41 +0100 |
commit | f28dc2f78bbcbf07b8a084fcd89cf6b4256f0664 (patch) | |
tree | ac051fe9264ff967cea12f96ac7dd58e52bca409 /drivers | |
parent | hwmon: (lm90) Use generic i2c reads during detection (diff) | |
download | linux-f28dc2f78bbcbf07b8a084fcd89cf6b4256f0664.tar.xz linux-f28dc2f78bbcbf07b8a084fcd89cf6b4256f0664.zip |
hwmon: (gl520sm) Various cleanups
* Drop trailing spaces
* Drop unused driver ID
* Drop stray backslashes in macros
* Rename new_client to client
* Drop redundant initializations to 0
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/hwmon/gl520sm.c | 63 |
1 files changed, 30 insertions, 33 deletions
diff --git a/drivers/hwmon/gl520sm.c b/drivers/hwmon/gl520sm.c index 2d39d8fc2389..4fdfe820294b 100644 --- a/drivers/hwmon/gl520sm.c +++ b/drivers/hwmon/gl520sm.c @@ -43,9 +43,9 @@ static unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; /* Insmod parameters */ I2C_CLIENT_INSMOD_1(gl520sm); -/* Many GL520 constants specified below +/* 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 +That's why _TEMP2 and _IN4 access the same register */ /* The GL520 registers */ @@ -114,7 +114,6 @@ static struct i2c_driver gl520_driver = { .driver = { .name = "gl520sm", }, - .id = I2C_DRIVERID_GL520, .attach_adapter = gl520_attach_adapter, .detach_client = gl520_detach_client, }; @@ -194,7 +193,7 @@ sysfs_ro_n(cpu, n, _vid, GL520_REG_VID_INPUT) #define sysfs_in(n) \ sysfs_ro_n(in, n, _input, GL520_REG_IN##n##INPUT) \ sysfs_rw_n(in, n, _min, GL520_REG_IN##n##_MIN) \ -sysfs_rw_n(in, n, _max, GL520_REG_IN##n##_MAX) \ +sysfs_rw_n(in, n, _max, GL520_REG_IN##n##_MAX) #define sysfs_fan(n) \ sysfs_ro_n(fan, n, _input, GL520_REG_FAN_INPUT) \ @@ -202,7 +201,7 @@ sysfs_rw_n(fan, n, _min, GL520_REG_FAN_MIN) \ sysfs_rw_n(fan, n, _div, GL520_REG_FAN_DIV) #define sysfs_fan_off(n) \ -sysfs_rw_n(fan, n, _off, GL520_REG_FAN_OFF) \ +sysfs_rw_n(fan, n, _off, GL520_REG_FAN_OFF) #define sysfs_temp(n) \ sysfs_ro_n(temp, n, _input, GL520_REG_TEMP##n##_INPUT) \ @@ -477,7 +476,7 @@ static ssize_t set_beep_enable(struct i2c_client *client, struct gl520_data *dat static ssize_t set_beep_mask(struct i2c_client *client, struct gl520_data *data, const char *buf, size_t count, int n, int reg) { u8 r = simple_strtoul(buf, NULL, 10); - + mutex_lock(&data->update_lock); r &= data->alarm_mask; data->beep_mask = r; @@ -553,7 +552,7 @@ static int gl520_attach_adapter(struct i2c_adapter *adapter) static int gl520_detect(struct i2c_adapter *adapter, int address, int kind) { - struct i2c_client *new_client; + struct i2c_client *client; struct gl520_data *data; int err = 0; @@ -570,59 +569,57 @@ static int gl520_detect(struct i2c_adapter *adapter, int address, int kind) goto exit; } - new_client = &data->client; - i2c_set_clientdata(new_client, data); - new_client->addr = address; - new_client->adapter = adapter; - new_client->driver = &gl520_driver; - new_client->flags = 0; + client = &data->client; + i2c_set_clientdata(client, data); + client->addr = address; + client->adapter = adapter; + client->driver = &gl520_driver; /* Determine the chip type. */ if (kind < 0) { - if ((gl520_read_value(new_client, GL520_REG_CHIP_ID) != 0x20) || - ((gl520_read_value(new_client, GL520_REG_REVISION) & 0x7f) != 0x00) || - ((gl520_read_value(new_client, GL520_REG_CONF) & 0x80) != 0x00)) { - dev_dbg(&new_client->dev, "Unknown chip type, skipping\n"); + if ((gl520_read_value(client, GL520_REG_CHIP_ID) != 0x20) || + ((gl520_read_value(client, GL520_REG_REVISION) & 0x7f) != 0x00) || + ((gl520_read_value(client, GL520_REG_CONF) & 0x80) != 0x00)) { + dev_dbg(&client->dev, "Unknown chip type, skipping\n"); goto exit_free; } } /* Fill in the remaining client fields */ - strlcpy(new_client->name, "gl520sm", I2C_NAME_SIZE); - data->valid = 0; + strlcpy(client->name, "gl520sm", I2C_NAME_SIZE); mutex_init(&data->update_lock); /* Tell the I2C layer a new client has arrived */ - if ((err = i2c_attach_client(new_client))) + if ((err = i2c_attach_client(client))) goto exit_free; /* Initialize the GL520SM chip */ - gl520_init_client(new_client); + gl520_init_client(client); /* Register sysfs hooks */ - if ((err = sysfs_create_group(&new_client->dev.kobj, &gl520_group))) + if ((err = sysfs_create_group(&client->dev.kobj, &gl520_group))) goto exit_detach; if (data->two_temps) { - if ((err = device_create_file(&new_client->dev, + if ((err = device_create_file(&client->dev, &dev_attr_temp2_input)) - || (err = device_create_file(&new_client->dev, + || (err = device_create_file(&client->dev, &dev_attr_temp2_max)) - || (err = device_create_file(&new_client->dev, + || (err = device_create_file(&client->dev, &dev_attr_temp2_max_hyst))) goto exit_remove_files; } else { - if ((err = device_create_file(&new_client->dev, + if ((err = device_create_file(&client->dev, &dev_attr_in4_input)) - || (err = device_create_file(&new_client->dev, + || (err = device_create_file(&client->dev, &dev_attr_in4_min)) - || (err = device_create_file(&new_client->dev, + || (err = device_create_file(&client->dev, &dev_attr_in4_max))) goto exit_remove_files; } - 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_files; @@ -631,10 +628,10 @@ static int gl520_detect(struct i2c_adapter *adapter, int address, int kind) return 0; exit_remove_files: - sysfs_remove_group(&new_client->dev.kobj, &gl520_group); - sysfs_remove_group(&new_client->dev.kobj, &gl520_group_opt); + sysfs_remove_group(&client->dev.kobj, &gl520_group); + sysfs_remove_group(&client->dev.kobj, &gl520_group_opt); exit_detach: - i2c_detach_client(new_client); + i2c_detach_client(client); exit_free: kfree(data); exit: @@ -697,7 +694,7 @@ static int gl520_detach_client(struct i2c_client *client) } -/* Registers 0x07 to 0x0c are word-sized, others are byte-sized +/* 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) { |