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Commit aab3f57a authored by Axel Lin's avatar Axel Lin Committed by Guenter Roeck
Browse files

hwmon: (adm1025) 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: default avatarAxel Lin <axel.lin@ingics.com>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 851a7afa

drivers/hwmon/adm1025.c

+23 −48
Original line number Diff line number Diff line
@@ -107,7 +107,8 @@ static const int in_scale[6] = { 2500, 2250, 3300, 5000, 12000, 3300 }; 
 */



struct adm1025_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 adm1025_data { 


static struct adm1025_data *adm1025_update_device(struct device *dev)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct adm1025_data *data = i2c_get_clientdata(client);

	struct adm1025_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;



	mutex_lock(&data->update_lock);
@@ -227,8 +228,8 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, 
			  const char *buf, size_t count)

{

	int index = to_sensor_dev_attr(attr)->index;

	struct i2c_client *client = to_i2c_client(dev);

	struct adm1025_data *data = i2c_get_clientdata(client);

	struct adm1025_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	long val;

	int err;
@@ -248,8 +249,8 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, 
			  const char *buf, size_t count)

{

	int index = to_sensor_dev_attr(attr)->index;

	struct i2c_client *client = to_i2c_client(dev);

	struct adm1025_data *data = i2c_get_clientdata(client);

	struct adm1025_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	long val;

	int err;
@@ -283,8 +284,8 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, 
			    const char *buf, size_t count)

{

	int index = to_sensor_dev_attr(attr)->index;

	struct i2c_client *client = to_i2c_client(dev);

	struct adm1025_data *data = i2c_get_clientdata(client);

	struct adm1025_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	long val;

	int err;
@@ -304,8 +305,8 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, 
	const char *buf, size_t count)

{

	int index = to_sensor_dev_attr(attr)->index;

	struct i2c_client *client = to_i2c_client(dev);

	struct adm1025_data *data = i2c_get_clientdata(client);

	struct adm1025_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	long val;

	int err;
@@ -525,57 +526,32 @@ static void adm1025_init_client(struct i2c_client *client) 
static int adm1025_probe(struct i2c_client *client,

			 const struct i2c_device_id *id)

{

	struct device *dev = &client->dev;

	struct device *hwmon_dev;

	struct adm1025_data *data;

	int err;

	u8 config;



	data = devm_kzalloc(&client->dev, sizeof(struct adm1025_data),

			    GFP_KERNEL);

	data = devm_kzalloc(dev, sizeof(struct adm1025_data), GFP_KERNEL);

	if (!data)

		return -ENOMEM;



	i2c_set_clientdata(client, data);

	data->client = client;

	mutex_init(&data->update_lock);



	/* Initialize the ADM1025 chip */

	adm1025_init_client(client);



	/* Register sysfs hooks */

	err = sysfs_create_group(&client->dev.kobj, &adm1025_group);

	if (err)

		return err;



	/* sysfs hooks */

	data->groups[0] = &adm1025_group;

	/* Pin 11 is either in4 (+12V) or VID4 */

	config = i2c_smbus_read_byte_data(client, ADM1025_REG_CONFIG);

	if (!(config & 0x20)) {

		err = sysfs_create_group(&client->dev.kobj, &adm1025_group_in4);

		if (err)

			goto exit_remove;

	}



	data->hwmon_dev = hwmon_device_register(&client->dev);

	if (IS_ERR(data->hwmon_dev)) {

		err = PTR_ERR(data->hwmon_dev);

		goto exit_remove;

	}



	return 0;

	if (!(config & 0x20))

		data->groups[1] = &adm1025_group_in4;



exit_remove:

	sysfs_remove_group(&client->dev.kobj, &adm1025_group);

	sysfs_remove_group(&client->dev.kobj, &adm1025_group_in4);

	return err;

}



static int adm1025_remove(struct i2c_client *client)

{

	struct adm1025_data *data = i2c_get_clientdata(client);



	hwmon_device_unregister(data->hwmon_dev);

	sysfs_remove_group(&client->dev.kobj, &adm1025_group);

	sysfs_remove_group(&client->dev.kobj, &adm1025_group_in4);



	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 adm1025_id[] = {
@@ -591,7 +567,6 @@ static struct i2c_driver adm1025_driver = { 
		.name	= "adm1025",

	},

	.probe		= adm1025_probe,

	.remove		= adm1025_remove,

	.id_table	= adm1025_id,

	.detect		= adm1025_detect,

	.address_list	= normal_i2c,