hwmon: (w83l786ng) 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 <axel.lin@ingics.com> Acked-by: Kevin Lo <kevlo@kevlo.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Axel Lin
Guenter Roeck
Родитель
bab711ae8c
Коммит
202e4851f8
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@ -124,7 +124,7 @@ DIV_TO_REG(long val)
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}
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struct w83l786ng_data {
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struct device *hwmon_dev;
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struct i2c_client *client;
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struct mutex update_lock;
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char valid; /* !=0 if following fields are valid */
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unsigned long last_updated; /* In jiffies */
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@ -162,8 +162,8 @@ w83l786ng_write_value(struct i2c_client *client, u8 reg, u8 value)
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static struct w83l786ng_data *w83l786ng_update_device(struct device *dev)
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct w83l786ng_data *data = i2c_get_clientdata(client);
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struct w83l786ng_data *data = dev_get_drvdata(dev);
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struct i2c_client *client = data->client;
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int i, j;
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u8 reg_tmp, pwmcfg;
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@ -252,8 +252,8 @@ store_in_##reg(struct device *dev, struct device_attribute *attr, \
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const char *buf, size_t count) \
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{ \
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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 w83l786ng_data *data = i2c_get_clientdata(client); \
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struct w83l786ng_data *data = dev_get_drvdata(dev); \
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struct i2c_client *client = data->client; \
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unsigned long val; \
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int err = kstrtoul(buf, 10, &val); \
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if (err) \
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@ -305,8 +305,8 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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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 w83l786ng_data *data = i2c_get_clientdata(client);
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struct w83l786ng_data *data = dev_get_drvdata(dev);
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struct i2c_client *client = data->client;
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unsigned long val;
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int err;
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@ -343,8 +343,8 @@ store_fan_div(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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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 w83l786ng_data *data = i2c_get_clientdata(client);
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struct w83l786ng_data *data = dev_get_drvdata(dev);
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struct i2c_client *client = data->client;
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unsigned long min;
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u8 tmp_fan_div;
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@ -434,8 +434,8 @@ store_temp(struct device *dev, struct device_attribute *attr,
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to_sensor_dev_attr_2(attr);
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int nr = sensor_attr->nr;
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int index = sensor_attr->index;
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struct i2c_client *client = to_i2c_client(dev);
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struct w83l786ng_data *data = i2c_get_clientdata(client);
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struct w83l786ng_data *data = dev_get_drvdata(dev);
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struct i2c_client *client = data->client;
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long val;
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int err;
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@ -489,8 +489,8 @@ store_pwm_mode(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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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 w83l786ng_data *data = i2c_get_clientdata(client);
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struct w83l786ng_data *data = dev_get_drvdata(dev);
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struct i2c_client *client = data->client;
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u8 reg;
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unsigned long val;
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int err;
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@ -517,8 +517,8 @@ store_pwm(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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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 w83l786ng_data *data = i2c_get_clientdata(client);
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struct w83l786ng_data *data = dev_get_drvdata(dev);
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struct i2c_client *client = data->client;
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unsigned long val;
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int err;
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@ -541,8 +541,8 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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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 w83l786ng_data *data = i2c_get_clientdata(client);
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struct w83l786ng_data *data = dev_get_drvdata(dev);
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struct i2c_client *client = data->client;
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u8 reg;
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unsigned long val;
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int err;
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@ -597,8 +597,8 @@ store_tolerance(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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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 w83l786ng_data *data = i2c_get_clientdata(client);
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struct w83l786ng_data *data = dev_get_drvdata(dev);
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struct i2c_client *client = data->client;
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u8 tol_tmp, tol_mask;
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unsigned long val;
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int err;
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@ -653,7 +653,7 @@ static struct sensor_device_attribute sda_tolerance[] = {
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#define TOLERANCE_UNIT_ATTRS(X) \
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&sda_tolerance[X].dev_attr.attr
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static struct attribute *w83l786ng_attributes[] = {
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static struct attribute *w83l786ng_attrs[] = {
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IN_UNIT_ATTRS(0),
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IN_UNIT_ATTRS(1),
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IN_UNIT_ATTRS(2),
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@ -668,9 +668,7 @@ static struct attribute *w83l786ng_attributes[] = {
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NULL
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};
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static const struct attribute_group w83l786ng_group = {
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.attrs = w83l786ng_attributes,
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};
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ATTRIBUTE_GROUPS(w83l786ng);
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static int
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w83l786ng_detect(struct i2c_client *client, struct i2c_board_info *info)
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@ -725,15 +723,15 @@ w83l786ng_probe(struct i2c_client *client, const struct i2c_device_id *id)
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{
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struct device *dev = &client->dev;
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struct w83l786ng_data *data;
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int i, err = 0;
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struct device *hwmon_dev;
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int i;
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u8 reg_tmp;
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data = devm_kzalloc(&client->dev, sizeof(struct w83l786ng_data),
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GFP_KERNEL);
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data = devm_kzalloc(dev, sizeof(struct w83l786ng_data), GFP_KERNEL);
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if (!data)
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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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mutex_init(&data->update_lock);
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/* Initialize the chip */
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@ -750,35 +748,10 @@ w83l786ng_probe(struct i2c_client *client, const struct i2c_device_id *id)
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data->fan_div[0] = reg_tmp & 0x07;
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data->fan_div[1] = (reg_tmp >> 4) & 0x07;
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/* Register sysfs hooks */
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err = sysfs_create_group(&client->dev.kobj, &w83l786ng_group);
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if (err)
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goto exit_remove;
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data->hwmon_dev = hwmon_device_register(dev);
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if (IS_ERR(data->hwmon_dev)) {
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err = PTR_ERR(data->hwmon_dev);
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goto exit_remove;
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}
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return 0;
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/* Unregister sysfs hooks */
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exit_remove:
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sysfs_remove_group(&client->dev.kobj, &w83l786ng_group);
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return err;
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}
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static int
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w83l786ng_remove(struct i2c_client *client)
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{
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struct w83l786ng_data *data = i2c_get_clientdata(client);
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hwmon_device_unregister(data->hwmon_dev);
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sysfs_remove_group(&client->dev.kobj, &w83l786ng_group);
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return 0;
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hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
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data,
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w83l786ng_groups);
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return PTR_ERR_OR_ZERO(hwmon_dev);
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}
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static const struct i2c_device_id w83l786ng_id[] = {
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@ -793,7 +766,6 @@ static struct i2c_driver w83l786ng_driver = {
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.name = "w83l786ng",
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},
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.probe = w83l786ng_probe,
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.remove = w83l786ng_remove,
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.id_table = w83l786ng_id,
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.detect = w83l786ng_detect,
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.address_list = normal_i2c,
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