hwmon: (adm1025) Various cleanups
Subsystems (2)
PATCH 3/3 hwmon: (adm1025) Various cleanups
* Whitespace cleanups
* Constify scaling constants
* Fold long lines
* Drop redundant initializations to 0
* Rename new_client to just client
* Use sysfs_create_group()
* Drop a useless comment
Signed-off-by Jean Delvare <[email protected]>
--- drivers/hwmon/adm1025.c | 80 +++++++++++++++++++++-------------------------- 1 file changed, 36 insertions(+), 44 deletions(-)
drivers/hwmon/adm1025.c +36 -44
@@ -75,7 +75,7 @@ I2C_CLIENT_INSMOD_2(adm1025, ne1619);*/ #define ADM1025_REG_MAN_ID 0x3E -#define ADM1025_REG_CHIP_ID 0x3F +#define ADM1025_REG_CHIP_ID 0x3F#define ADM1025_REG_CONFIG 0x40#define ADM1025_REG_STATUS1 0x41#define ADM1025_REG_STATUS2 0x42
@@ -93,7 +93,7 @@ I2C_CLIENT_INSMOD_2(adm1025, ne1619);* The ADM1025 uses signed 8-bit values for temperatures. */ -static int in_scale[6 ] = {2500 ,2250 ,3300 ,5000 ,12000 ,3300 }; +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 : \
@@ -293,7 +293,8 @@ static SENSOR_DEVICE_ATTR(temp##offset##set_temp (1 );set_temp (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 adm1025_data *data =adm1025_update_device (dev);return sprintf (buf,"%u\n" , data->alarms);
@@ -317,19 +318,22 @@ static SENSOR_DEVICE_ATTR(temp1_alarm, S static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 4); static SENSOR_DEVICE_ATTR(temp1_fault, S_IRUGO, show_alarm, NULL, 14); -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 adm1025_data *data =adm1025_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 adm1025_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 i2c_client *client =to_i2c_client (dev);struct adm1025_data *data =i2c_get_clientdata (client);
@@ -389,7 +393,7 @@ static const struct attribute_group adm1 .attrs = adm1025_attributes, }; -static struct attribute *adm1025_attributes_opt[] = { +static struct attribute *adm1025_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,
@@ -397,8 +401,8 @@ static struct attribute *adm1025_attribu NULL }; -static const struct attribute_group adm1025_group_opt = { - .attrs = adm1025_attributes_opt, +static const struct attribute_group adm1025_group_in4 = { + .attrs = adm1025_attributes_in4, };/*
@@ -407,7 +411,7 @@ static const struct attribute_group adm1*/ static int adm1025_detect (struct i2c_adapter *adapter,int address,int kind) { -struct i2c_client *new_client; +struct i2c_client *client;struct adm1025_data *data;int err =0 ;const char *name ="" ;
@@ -421,14 +425,11 @@ static int adm1025_detect(struct i2c_ada goto exit; } -/* The common I2C client data is placed right before the -ADM1025-specific data. */ - new_client = &data->client; -i2c_set_clientdata (new_client, data); - new_client->addr = address; - new_client->adapter = adapter; - new_client->driver = &adm1025_driver; - new_client->flags =0 ; + client = &data->client; +i2c_set_clientdata (client, data); + client->addr = address; + client->adapter = adapter; + client->driver = &adm1025_driver;/* * Now we do the remaining detection. A negative kind means that
@@ -440,12 +441,12 @@ static int adm1025_detect(struct i2c_ada* requested, so both the detection and the identification steps * are skipped. */ - config =i2c_smbus_read_byte_data (new_client,ADM1025_REG_CONFIG ); + config =i2c_smbus_read_byte_data (client,ADM1025_REG_CONFIG );if (kind <0 ) {/* detection */ if ((config &0x80 ) !=0x00 - || (i2c_smbus_read_byte_data (new_client, + || (i2c_smbus_read_byte_data (client,ADM1025_REG_STATUS1 ) &0xC0 ) !=0x00 - || (i2c_smbus_read_byte_data (new_client, + || (i2c_smbus_read_byte_data (client,ADM1025_REG_STATUS2 ) &0xBC ) !=0x00 ) { dev_dbg(&adapter->dev, "ADM1025 detection failed at 0x%02x.\n",
@@ -457,11 +458,9 @@ static int adm1025_detect(struct i2c_adaif (kind <=0 ) {/* identification */ u8 man_id, chip_id; - man_id =i2c_smbus_read_byte_data (new_client, -ADM1025_REG_MAN_ID ); - chip_id =i2c_smbus_read_byte_data (new_client, -ADM1025_REG_CHIP_ID ); - + man_id =i2c_smbus_read_byte_data (client,ADM1025_REG_MAN_ID ); + chip_id =i2c_smbus_read_byte_data (client,ADM1025_REG_CHIP_ID ); +if (man_id =0x41 ) {/* Analog Devices */ if ((chip_id &0xF0 ) =0x20 ) {/* ADM1025/ADM1025A */ kind = adm1025;
@@ -489,35 +488,28 @@ static int adm1025_detect(struct i2c_ada }/* We can fill in the remaining client fields */ -strlcpy (new_client->name, name,I2C_NAME_SIZE ); - data->valid =0 ; +strlcpy (client->name, name,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 ADM1025 chip */ -adm1025_init_client (new_client); +adm1025_init_client (client);/* Register sysfs hooks */ -if ((err =sysfs_create_group (&new_client->dev.kobj, &adm1025_group))) +if ((err =sysfs_create_group (&client->dev.kobj, &adm1025_group))) goto exit_detach;/* Pin 11 is either in4 (+12V) or VID4 */ if (!(config &0x20 )) { -if ((err =device_create_file (&new_client->dev, - &sensor_dev_attr_in4_input.dev_attr)) - || (err =device_create_file (&new_client->dev, - &sensor_dev_attr_in4_min.dev_attr)) - || (err =device_create_file (&new_client->dev, - &sensor_dev_attr_in4_max.dev_attr)) - || (err =device_create_file (&new_client->dev, - &sensor_dev_attr_in4_alarm.dev_attr))) +if ((err =sysfs_create_group (&client->dev.kobj, + &adm1025_group_in4))) 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;
@@ -526,10 +518,10 @@ static int adm1025_detect(struct i2c_adareturn 0 ; exit_remove: -sysfs_remove_group (&new_client->dev.kobj, &adm1025_group); -sysfs_remove_group (&new_client->dev.kobj, &adm1025_group_opt); +sysfs_remove_group (&client->dev.kobj, &adm1025_group); +sysfs_remove_group (&client->dev.kobj, &adm1025_group_in4); exit_detach: -i2c_detach_client (new_client); +i2c_detach_client (client); exit_free:kfree (data); exit:
@@ -585,7 +577,7 @@ static int adm1025_detach_client(structhwmon_device_unregister (data->hwmon_dev);sysfs_remove_group (&client->dev.kobj, &adm1025_group); -sysfs_remove_group (&client->dev.kobj, &adm1025_group_opt); +sysfs_remove_group (&client->dev.kobj, &adm1025_group_in4);if ((err =i2c_detach_client (client)))return err;
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Jean Delvare _______________________________________________ lm-sensors mailing list [email protected] http://lists.lm-sensors.org/mailman/listinfo/lm-sensors