hwmon: (lm85) Convert to devm_hwmon_device_register_with_groups
Use devm_hwmon_device_register_with_groups() to simplify the code a bit. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
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6fd5dd5837
commit
746f68841a
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@ -302,7 +302,8 @@ struct lm85_autofan {
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* The structure is dynamically allocated.
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* The structure is dynamically allocated.
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*/
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*/
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struct lm85_data {
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struct lm85_data {
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struct device *hwmon_dev;
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struct i2c_client *client;
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const struct attribute_group *groups[6];
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const int *freq_map;
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const int *freq_map;
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enum chips type;
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enum chips type;
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@ -382,8 +383,8 @@ static void lm85_write_value(struct i2c_client *client, u8 reg, int value)
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static struct lm85_data *lm85_update_device(struct device *dev)
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static struct lm85_data *lm85_update_device(struct device *dev)
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{
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct lm85_data *data = dev_get_drvdata(dev);
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struct lm85_data *data = i2c_get_clientdata(client);
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struct i2c_client *client = data->client;
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int i;
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int i;
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mutex_lock(&data->update_lock);
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mutex_lock(&data->update_lock);
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@ -584,8 +585,8 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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const char *buf, size_t count)
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{
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{
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int nr = to_sensor_dev_attr(attr)->index;
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int nr = to_sensor_dev_attr(attr)->index;
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struct i2c_client *client = to_i2c_client(dev);
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struct lm85_data *data = dev_get_drvdata(dev);
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struct lm85_data *data = i2c_get_clientdata(client);
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struct i2c_client *client = data->client;
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unsigned long val;
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unsigned long val;
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int err;
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int err;
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@ -708,8 +709,8 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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const char *buf, size_t count)
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{
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{
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int nr = to_sensor_dev_attr(attr)->index;
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int nr = to_sensor_dev_attr(attr)->index;
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struct i2c_client *client = to_i2c_client(dev);
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struct lm85_data *data = dev_get_drvdata(dev);
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struct lm85_data *data = i2c_get_clientdata(client);
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struct i2c_client *client = data->client;
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unsigned long val;
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unsigned long val;
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int err;
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int err;
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@ -750,8 +751,8 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute
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*attr, const char *buf, size_t count)
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*attr, const char *buf, size_t count)
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{
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{
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int nr = to_sensor_dev_attr(attr)->index;
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int nr = to_sensor_dev_attr(attr)->index;
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struct i2c_client *client = to_i2c_client(dev);
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struct lm85_data *data = dev_get_drvdata(dev);
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struct lm85_data *data = i2c_get_clientdata(client);
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struct i2c_client *client = data->client;
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u8 config;
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u8 config;
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unsigned long val;
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unsigned long val;
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int err;
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int err;
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@ -808,8 +809,8 @@ static ssize_t set_pwm_freq(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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struct device_attribute *attr, const char *buf, size_t count)
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{
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{
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int nr = to_sensor_dev_attr(attr)->index;
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int nr = to_sensor_dev_attr(attr)->index;
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struct i2c_client *client = to_i2c_client(dev);
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struct lm85_data *data = dev_get_drvdata(dev);
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struct lm85_data *data = i2c_get_clientdata(client);
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struct i2c_client *client = data->client;
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unsigned long val;
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unsigned long val;
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int err;
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int err;
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@ -875,8 +876,8 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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const char *buf, size_t count)
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{
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{
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int nr = to_sensor_dev_attr(attr)->index;
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int nr = to_sensor_dev_attr(attr)->index;
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struct i2c_client *client = to_i2c_client(dev);
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struct lm85_data *data = dev_get_drvdata(dev);
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struct lm85_data *data = i2c_get_clientdata(client);
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struct i2c_client *client = data->client;
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long val;
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long val;
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int err;
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int err;
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@ -903,8 +904,8 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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const char *buf, size_t count)
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{
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{
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int nr = to_sensor_dev_attr(attr)->index;
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int nr = to_sensor_dev_attr(attr)->index;
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struct i2c_client *client = to_i2c_client(dev);
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struct lm85_data *data = dev_get_drvdata(dev);
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struct lm85_data *data = i2c_get_clientdata(client);
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struct i2c_client *client = data->client;
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long val;
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long val;
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int err;
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int err;
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@ -959,8 +960,8 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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const char *buf, size_t count)
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{
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{
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int nr = to_sensor_dev_attr(attr)->index;
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int nr = to_sensor_dev_attr(attr)->index;
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struct i2c_client *client = to_i2c_client(dev);
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struct lm85_data *data = dev_get_drvdata(dev);
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struct lm85_data *data = i2c_get_clientdata(client);
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struct i2c_client *client = data->client;
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long val;
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long val;
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int err;
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int err;
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@ -990,8 +991,8 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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const char *buf, size_t count)
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{
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{
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int nr = to_sensor_dev_attr(attr)->index;
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int nr = to_sensor_dev_attr(attr)->index;
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struct i2c_client *client = to_i2c_client(dev);
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struct lm85_data *data = dev_get_drvdata(dev);
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struct lm85_data *data = i2c_get_clientdata(client);
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struct i2c_client *client = data->client;
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long val;
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long val;
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int err;
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int err;
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@ -1036,8 +1037,8 @@ static ssize_t set_pwm_auto_channels(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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struct device_attribute *attr, const char *buf, size_t count)
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{
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{
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int nr = to_sensor_dev_attr(attr)->index;
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int nr = to_sensor_dev_attr(attr)->index;
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struct i2c_client *client = to_i2c_client(dev);
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struct lm85_data *data = dev_get_drvdata(dev);
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struct lm85_data *data = i2c_get_clientdata(client);
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struct i2c_client *client = data->client;
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long val;
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long val;
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int err;
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int err;
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@ -1066,8 +1067,8 @@ static ssize_t set_pwm_auto_pwm_min(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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struct device_attribute *attr, const char *buf, size_t count)
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{
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{
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int nr = to_sensor_dev_attr(attr)->index;
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int nr = to_sensor_dev_attr(attr)->index;
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struct i2c_client *client = to_i2c_client(dev);
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struct lm85_data *data = dev_get_drvdata(dev);
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struct lm85_data *data = i2c_get_clientdata(client);
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struct i2c_client *client = data->client;
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unsigned long val;
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unsigned long val;
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int err;
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int err;
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@ -1095,8 +1096,8 @@ static ssize_t set_pwm_auto_pwm_minctl(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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struct device_attribute *attr, const char *buf, size_t count)
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{
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{
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int nr = to_sensor_dev_attr(attr)->index;
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int nr = to_sensor_dev_attr(attr)->index;
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struct i2c_client *client = to_i2c_client(dev);
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struct lm85_data *data = dev_get_drvdata(dev);
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struct lm85_data *data = i2c_get_clientdata(client);
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struct i2c_client *client = data->client;
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u8 tmp;
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u8 tmp;
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long val;
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long val;
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int err;
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int err;
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@ -1146,8 +1147,8 @@ static ssize_t set_temp_auto_temp_off(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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struct device_attribute *attr, const char *buf, size_t count)
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{
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{
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int nr = to_sensor_dev_attr(attr)->index;
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int nr = to_sensor_dev_attr(attr)->index;
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struct i2c_client *client = to_i2c_client(dev);
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struct lm85_data *data = dev_get_drvdata(dev);
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struct lm85_data *data = i2c_get_clientdata(client);
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struct i2c_client *client = data->client;
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int min;
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int min;
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long val;
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long val;
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int err;
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int err;
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@ -1183,8 +1184,8 @@ static ssize_t set_temp_auto_temp_min(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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struct device_attribute *attr, const char *buf, size_t count)
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{
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{
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int nr = to_sensor_dev_attr(attr)->index;
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int nr = to_sensor_dev_attr(attr)->index;
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struct i2c_client *client = to_i2c_client(dev);
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struct lm85_data *data = dev_get_drvdata(dev);
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struct lm85_data *data = i2c_get_clientdata(client);
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struct i2c_client *client = data->client;
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long val;
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long val;
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int err;
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int err;
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@ -1222,8 +1223,8 @@ static ssize_t set_temp_auto_temp_max(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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struct device_attribute *attr, const char *buf, size_t count)
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{
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{
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int nr = to_sensor_dev_attr(attr)->index;
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int nr = to_sensor_dev_attr(attr)->index;
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struct i2c_client *client = to_i2c_client(dev);
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struct lm85_data *data = dev_get_drvdata(dev);
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struct lm85_data *data = i2c_get_clientdata(client);
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struct i2c_client *client = data->client;
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int min;
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int min;
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long val;
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long val;
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int err;
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int err;
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@ -1256,8 +1257,8 @@ static ssize_t set_temp_auto_temp_crit(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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struct device_attribute *attr, const char *buf, size_t count)
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{
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{
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int nr = to_sensor_dev_attr(attr)->index;
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int nr = to_sensor_dev_attr(attr)->index;
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struct i2c_client *client = to_i2c_client(dev);
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struct lm85_data *data = dev_get_drvdata(dev);
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struct lm85_data *data = i2c_get_clientdata(client);
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struct i2c_client *client = data->client;
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long val;
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long val;
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int err;
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int err;
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@ -1548,30 +1549,18 @@ static int lm85_detect(struct i2c_client *client, struct i2c_board_info *info)
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return 0;
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return 0;
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}
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}
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static void lm85_remove_files(struct i2c_client *client, struct lm85_data *data)
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static int lm85_probe(struct i2c_client *client, const struct i2c_device_id *id)
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{
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sysfs_remove_group(&client->dev.kobj, &lm85_group);
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if (data->type != emc6d103s) {
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sysfs_remove_group(&client->dev.kobj, &lm85_group_minctl);
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sysfs_remove_group(&client->dev.kobj, &lm85_group_temp_off);
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}
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if (!data->has_vid5)
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sysfs_remove_group(&client->dev.kobj, &lm85_group_in4);
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if (data->type == emc6d100)
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sysfs_remove_group(&client->dev.kobj, &lm85_group_in567);
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}
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static int lm85_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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{
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struct device *dev = &client->dev;
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struct device *hwmon_dev;
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struct lm85_data *data;
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struct lm85_data *data;
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int err;
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int idx = 0;
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data = devm_kzalloc(&client->dev, sizeof(struct lm85_data), GFP_KERNEL);
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data = devm_kzalloc(dev, sizeof(struct lm85_data), GFP_KERNEL);
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if (!data)
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if (!data)
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return -ENOMEM;
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return -ENOMEM;
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i2c_set_clientdata(client, data);
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data->client = client;
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data->type = id->driver_data;
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data->type = id->driver_data;
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mutex_init(&data->update_lock);
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mutex_init(&data->update_lock);
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@ -1596,20 +1585,13 @@ static int lm85_probe(struct i2c_client *client,
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/* Initialize the LM85 chip */
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/* Initialize the LM85 chip */
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lm85_init_client(client);
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lm85_init_client(client);
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/* Register sysfs hooks */
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/* sysfs hooks */
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err = sysfs_create_group(&client->dev.kobj, &lm85_group);
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data->groups[idx++] = &lm85_group;
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if (err)
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return err;
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/* minctl and temp_off exist on all chips except emc6d103s */
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/* minctl and temp_off exist on all chips except emc6d103s */
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if (data->type != emc6d103s) {
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if (data->type != emc6d103s) {
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err = sysfs_create_group(&client->dev.kobj, &lm85_group_minctl);
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data->groups[idx++] = &lm85_group_minctl;
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if (err)
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data->groups[idx++] = &lm85_group_temp_off;
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goto err_remove_files;
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err = sysfs_create_group(&client->dev.kobj,
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&lm85_group_temp_off);
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if (err)
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goto err_remove_files;
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}
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}
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/*
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/*
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@ -1622,39 +1604,16 @@ static int lm85_probe(struct i2c_client *client,
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data->has_vid5 = true;
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data->has_vid5 = true;
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}
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}
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if (!data->has_vid5) {
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if (!data->has_vid5)
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err = sysfs_create_group(&client->dev.kobj, &lm85_group_in4);
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data->groups[idx++] = &lm85_group_in4;
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if (err)
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goto err_remove_files;
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}
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/* The EMC6D100 has 3 additional voltage inputs */
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/* The EMC6D100 has 3 additional voltage inputs */
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if (data->type == emc6d100) {
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if (data->type == emc6d100)
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err = sysfs_create_group(&client->dev.kobj, &lm85_group_in567);
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data->groups[idx++] = &lm85_group_in567;
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if (err)
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goto err_remove_files;
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}
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data->hwmon_dev = hwmon_device_register(&client->dev);
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hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
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if (IS_ERR(data->hwmon_dev)) {
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data, data->groups);
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err = PTR_ERR(data->hwmon_dev);
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return PTR_ERR_OR_ZERO(hwmon_dev);
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goto err_remove_files;
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}
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return 0;
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/* Error out and cleanup code */
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err_remove_files:
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lm85_remove_files(client, data);
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return err;
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}
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static int lm85_remove(struct i2c_client *client)
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{
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struct lm85_data *data = i2c_get_clientdata(client);
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hwmon_device_unregister(data->hwmon_dev);
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lm85_remove_files(client, data);
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return 0;
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}
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}
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static const struct i2c_device_id lm85_id[] = {
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static const struct i2c_device_id lm85_id[] = {
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@ -1679,7 +1638,6 @@ static struct i2c_driver lm85_driver = {
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.name = "lm85",
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.name = "lm85",
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},
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},
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.probe = lm85_probe,
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.probe = lm85_probe,
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.remove = lm85_remove,
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.id_table = lm85_id,
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.id_table = lm85_id,
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.detect = lm85_detect,
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.detect = lm85_detect,
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.address_list = normal_i2c,
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.address_list = normal_i2c,
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