diff options
Diffstat (limited to 'drivers/hwmon/lm83.c')
| -rw-r--r-- | drivers/hwmon/lm83.c | 59 |
1 files changed, 16 insertions, 43 deletions
diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c index f9fcc91d02ca..9e4d0e1d3c4b 100644 --- a/drivers/hwmon/lm83.c +++ b/drivers/hwmon/lm83.c @@ -111,7 +111,8 @@ static const u8 LM83_REG_W_HIGH[] = { */ struct lm83_data { - struct device *hwmon_dev; + struct i2c_client *client; + const struct attribute_group *groups[3]; struct mutex update_lock; char valid; /* zero until following fields are valid */ unsigned long last_updated; /* in jiffies */ @@ -125,8 +126,8 @@ struct lm83_data { static struct lm83_data *lm83_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct lm83_data *data = i2c_get_clientdata(client); + struct lm83_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; mutex_lock(&data->update_lock); @@ -169,8 +170,8 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct lm83_data *data = i2c_get_clientdata(client); + struct lm83_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; long val; int nr = attr->index; int err; @@ -332,15 +333,15 @@ static int lm83_detect(struct i2c_client *new_client, static int lm83_probe(struct i2c_client *new_client, const struct i2c_device_id *id) { + struct device *hwmon_dev; struct lm83_data *data; - int err; data = devm_kzalloc(&new_client->dev, sizeof(struct lm83_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(new_client, data); + data->client = new_client; mutex_init(&data->update_lock); /* @@ -349,41 +350,14 @@ static int lm83_probe(struct i2c_client *new_client, * at the same register as the LM83 temp3 entry - so we * declare 1 and 3 common, and then 2 and 4 only for the LM83. */ - - err = sysfs_create_group(&new_client->dev.kobj, &lm83_group); - if (err) - return err; - - if (id->driver_data == lm83) { - err = sysfs_create_group(&new_client->dev.kobj, - &lm83_group_opt); - if (err) - goto exit_remove_files; - } - - data->hwmon_dev = hwmon_device_register(&new_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(&new_client->dev.kobj, &lm83_group); - sysfs_remove_group(&new_client->dev.kobj, &lm83_group_opt); - return err; -} - -static int lm83_remove(struct i2c_client *client) -{ - struct lm83_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &lm83_group); - sysfs_remove_group(&client->dev.kobj, &lm83_group_opt); - - return 0; + data->groups[0] = &lm83_group; + if (id->driver_data == lm83) + data->groups[1] = &lm83_group_opt; + + hwmon_dev = devm_hwmon_device_register_with_groups(&new_client->dev, + new_client->name, + data, data->groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } /* @@ -403,7 +377,6 @@ static struct i2c_driver lm83_driver = { .name = "lm83", }, .probe = lm83_probe, - .remove = lm83_remove, .id_table = lm83_id, .detect = lm83_detect, .address_list = normal_i2c, |