hwmon: (gl518sm) Convert to devm_hwmon_device_register_with_groups
PATCH 2/2 hwmon: (gl518sm) Convert to devm_hwmon_device_register_with_groups
Use ATTRIBUTE_GROUPS macro and devm_hwmon_device_register_with_groups() to simplify the code a bit.
Signed-off-by Axel Lin <[email protected]>
--- drivers/hwmon/gl518sm.c | 76 ++++++++++++++++--------------------------------- 1 file changed, 25 insertions(+), 51 deletions(-)
drivers/hwmon/gl518sm.c +25 -51
@@ -114,7 +114,8 @@ static inline u8 FAN_TO_REG(long rpm, int div)/* Each client has this additional data */ struct gl518_data { -struct device *hwmon_dev; +struct i2c_client *client; +const struct attribute_group *groups[3 ];enum chips type;struct mutex update_lock;
@@ -160,8 +161,8 @@ static int gl518_write_value(struct i2c_client *client, u8 reg, u16 value)static struct gl518_data *gl518_update_device (struct device *dev) { -struct i2c_client *client =to_i2c_client (dev); -struct gl518_data *data =i2c_get_clientdata (client); +struct gl518_data *data =dev_get_drvdata (dev); +struct i2c_client *client = data->client;int val;mutex_lock (&data->update_lock);
@@ -293,8 +294,8 @@ static ssize_t set_##suffix(struct device *dev, \struct device_attribute *attr, \ const char *buf, size_t count) \ { \ - struct i2c_client *client = to_i2c_client(dev); \ -struct gl518_data *data =i2c_get_clientdata (client); \ + struct gl518_data *data = dev_get_drvdata(dev); \ +struct i2c_client *client = data->client; \long val; \int err =kstrtol (buf,10 , &val); \if (err) \
@@ -312,8 +313,8 @@ static ssize_t set_##suffix(struct device *dev, \struct device_attribute *attr, \ const char *buf, size_t count) \ { \ - struct i2c_client *client = to_i2c_client(dev); \ -struct gl518_data *data =i2c_get_clientdata (client); \ + struct gl518_data *data = dev_get_drvdata(dev); \ +struct i2c_client *client = data->client; \int regvalue; \unsigned long val; \int err =kstrtoul (buf,10 , &val); \
@@ -351,8 +352,8 @@ set(BEEP_MASK, beep_mask, beep_mask, GL518_REG_ALARM);static ssize_t set_fan_min (struct device *dev,struct device_attribute *attr,const char *buf,size_t count) { -struct i2c_client *client =to_i2c_client (dev); -struct gl518_data *data =i2c_get_clientdata (client); +struct gl518_data *data =dev_get_drvdata (dev); +struct i2c_client *client = data->client;int nr =to_sensor_dev_attr (attr)->index;int regvalue;unsigned long val;
@@ -384,8 +385,8 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,static ssize_t set_fan_div (struct device *dev,struct device_attribute *attr,const char *buf,size_t count) { -struct i2c_client *client =to_i2c_client (dev); -struct gl518_data *data =i2c_get_clientdata (client); +struct gl518_data *data =dev_get_drvdata (dev); +struct i2c_client *client = data->client;int nr =to_sensor_dev_attr (attr)->index;int regvalue;unsigned long val;
@@ -485,8 +486,8 @@ static ssize_t show_beep(struct device *dev, struct device_attribute *attr,static ssize_t set_beep (struct device *dev,struct device_attribute *attr,const char *buf,size_t count) { -struct i2c_client *client =to_i2c_client (dev); -struct gl518_data *data =i2c_get_clientdata (client); +struct gl518_data *data =dev_get_drvdata (dev); +struct i2c_client *client = data->client;int bitnr =to_sensor_dev_attr (attr)->index;unsigned long bit;int err;
@@ -627,15 +628,16 @@ static void gl518_init_client(struct i2c_client *client)static int gl518_probe (struct i2c_client *client,const struct i2c_device_id *id) { +struct device *dev = &client->dev; +struct device *hwmon_dev;struct gl518_data *data; -int err, revision; +int revision; - data =devm_kzalloc (&client->dev,sizeof (struct gl518_data ), -GFP_KERNEL ); + data =devm_kzalloc (dev,sizeof (struct gl518_data ),GFP_KERNEL );if (!data)return -ENOMEM ; -i2c_set_clientdata (client, data); + data->client = client; revision =gl518_read_value (client,GL518_REG_REVISION ); data->type = revision =0x80 ? gl518sm_r80 : gl518sm_r00;mutex_init (&data->update_lock);
@@ -644,41 +646,14 @@ static int gl518_probe(struct i2c_client *client, data->alarm_mask =0xff ;gl518_init_client (client); -/* Register sysfs hooks */ - err =sysfs_create_group (&client->dev.kobj, &gl518_group); -if (err) -return err; -if (data->type = gl518sm_r80) { - err =sysfs_create_group (&client->dev.kobj, &gl518_group_r80); -if (err) - goto exit_remove_files; - } - - data->hwmon_dev =hwmon_device_register (&client->dev); -if (IS_ERR (data->hwmon_dev)) { - err =PTR_ERR (data->hwmon_dev); - goto exit_remove_files; - } - -return 0 ; - -exit_remove_files: -sysfs_remove_group (&client->dev.kobj, &gl518_group); -if (data->type = gl518sm_r80) -sysfs_remove_group (&client->dev.kobj, &gl518_group_r80); -return err; -} - -static int gl518_remove (struct i2c_client *client) -{ -struct gl518_data *data =i2c_get_clientdata (client); - -hwmon_device_unregister (data->hwmon_dev); -sysfs_remove_group (&client->dev.kobj, &gl518_group); +/* sysfs hooks */ + data->groups[0 ] = &gl518_group;if (data->type = gl518sm_r80) -sysfs_remove_group (&client->dev.kobj, &gl518_group_r80); + data->groups[1 ] = &gl518_group_r80; -return 0 ; + hwmon_dev =devm_hwmon_device_register_with_groups (dev, client->name, + data, data->groups); +return PTR_ERR_OR_ZERO (hwmon_dev); }static const struct i2c_device_id gl518_id[] = {
@@ -693,7 +668,6 @@ static struct i2c_driver gl518_driver = { .name = "gl518sm", }, .probe = gl518_probe, - .remove = gl518_remove, .id_table = gl518_id, .detect = gl518_detect, .address_list = normal_i2c,
Signature · 9 lines
1.9.1 _______________________________________________ lm-sensors mailing list [email protected] http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
Quoted 4 lines · Axel Lin
Use
ATTRIBUTE_GROUPSmacro anddevm_hwmon_device_register_with_groups()to simplify the code a bit.Signed-off-by Axel Lin <[email protected]>
Applied to -next.
Thanks,
Guenter
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