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Commit d1b9c3f5 authored by Axel Lin's avatar Axel Lin Committed by Guenter Roeck
Browse files

hwmon: (gl520sm) 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 df51f2d7

drivers/hwmon/gl520sm.c

+35 −61
Original line number Diff line number Diff line
@@ -75,7 +75,8 @@ static const u8 GL520_REG_TEMP_MAX_HYST[] = { 0x06, 0x18 }; 


/* Client data */

struct gl520_data {

	struct device *hwmon_dev;

	struct i2c_client *client;

	const struct attribute_group *groups[3];

	struct mutex update_lock;

	char valid;		/* zero until the following fields are valid */

	unsigned long last_updated;	/* in jiffies */
@@ -121,8 +122,8 @@ static int gl520_write_value(struct i2c_client *client, u8 reg, u16 value) 


static struct gl520_data *gl520_update_device(struct device *dev)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct gl520_data *data = i2c_get_clientdata(client);

	struct gl520_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int val, i;



	mutex_lock(&data->update_lock);
@@ -255,8 +256,8 @@ static ssize_t get_in_max(struct device *dev, struct device_attribute *attr, 
static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,

			  const char *buf, size_t count)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct gl520_data *data = i2c_get_clientdata(client);

	struct gl520_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int n = to_sensor_dev_attr(attr)->index;

	u8 r;

	long v;
@@ -289,8 +290,8 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, 
static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,

			  const char *buf, size_t count)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct gl520_data *data = i2c_get_clientdata(client);

	struct gl520_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int n = to_sensor_dev_attr(attr)->index;

	u8 r;

	long v;
@@ -390,8 +391,8 @@ static ssize_t get_fan_off(struct device *dev, struct device_attribute *attr, 
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 gl520_data *data = i2c_get_clientdata(client);

	struct gl520_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int n = to_sensor_dev_attr(attr)->index;

	u8 r;

	unsigned long v;
@@ -429,8 +430,8 @@ 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 gl520_data *data = i2c_get_clientdata(client);

	struct gl520_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int n = to_sensor_dev_attr(attr)->index;

	u8 r;

	unsigned long v;
@@ -478,8 +479,8 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, 
static ssize_t set_fan_off(struct device *dev, struct device_attribute *attr,

			   const char *buf, size_t count)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct gl520_data *data = i2c_get_clientdata(client);

	struct gl520_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	u8 r;

	unsigned long v;

	int err;
@@ -546,8 +547,8 @@ static ssize_t get_temp_max_hyst(struct device *dev, 
static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,

			    const char *buf, size_t count)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct gl520_data *data = i2c_get_clientdata(client);

	struct gl520_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int n = to_sensor_dev_attr(attr)->index;

	long v;

	int err;
@@ -566,8 +567,8 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, 
static ssize_t set_temp_max_hyst(struct device *dev, struct device_attribute

				 *attr, const char *buf, size_t count)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct gl520_data *data = i2c_get_clientdata(client);

	struct gl520_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int n = to_sensor_dev_attr(attr)->index;

	long v;

	int err;
@@ -619,8 +620,8 @@ static ssize_t get_beep_mask(struct device *dev, struct device_attribute *attr, 
static ssize_t set_beep_enable(struct device *dev, struct device_attribute

			       *attr, const char *buf, size_t count)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct gl520_data *data = i2c_get_clientdata(client);

	struct gl520_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	u8 r;

	unsigned long v;

	int err;
@@ -643,8 +644,8 @@ static ssize_t set_beep_enable(struct device *dev, struct device_attribute 
static ssize_t set_beep_mask(struct device *dev, struct device_attribute *attr,

			     const char *buf, size_t count)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct gl520_data *data = i2c_get_clientdata(client);

	struct gl520_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	unsigned long r;

	int err;
@@ -697,8 +698,8 @@ static ssize_t get_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 gl520_data *data = i2c_get_clientdata(client);

	struct gl520_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int bitnr = to_sensor_dev_attr(attr)->index;

	unsigned long bit;
@@ -877,58 +878,32 @@ static void gl520_init_client(struct i2c_client *client) 
static int gl520_probe(struct i2c_client *client,

		       const struct i2c_device_id *id)

{

	struct device *dev = &client->dev;

	struct device *hwmon_dev;

	struct gl520_data *data;

	int err;



	data = devm_kzalloc(&client->dev, sizeof(struct gl520_data),

			    GFP_KERNEL);

	data = devm_kzalloc(dev, sizeof(struct gl520_data), GFP_KERNEL);

	if (!data)

		return -ENOMEM;



	i2c_set_clientdata(client, data);

	mutex_init(&data->update_lock);

	data->client = client;



	/* Initialize the GL520SM chip */

	gl520_init_client(client);



	/* Register sysfs hooks */

	err = sysfs_create_group(&client->dev.kobj, &gl520_group);

	if (err)

		return err;

	/* sysfs hooks */

	data->groups[0] = &gl520_group;



	if (data->two_temps)

		err = sysfs_create_group(&client->dev.kobj, &gl520_group_temp2);

		data->groups[1] = &gl520_group_temp2;

	else

		err = sysfs_create_group(&client->dev.kobj, &gl520_group_in4);



	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;

		data->groups[1] = &gl520_group_in4;



exit_remove_files:

	sysfs_remove_group(&client->dev.kobj, &gl520_group);

	sysfs_remove_group(&client->dev.kobj, &gl520_group_in4);

	sysfs_remove_group(&client->dev.kobj, &gl520_group_temp2);

	return err;

}



static int gl520_remove(struct i2c_client *client)

{

	struct gl520_data *data = i2c_get_clientdata(client);



	hwmon_device_unregister(data->hwmon_dev);

	sysfs_remove_group(&client->dev.kobj, &gl520_group);

	sysfs_remove_group(&client->dev.kobj, &gl520_group_in4);

	sysfs_remove_group(&client->dev.kobj, &gl520_group_temp2);



	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 gl520_id[] = {
@@ -943,7 +918,6 @@ static struct i2c_driver gl520_driver = { 
		.name	= "gl520sm",

	},

	.probe		= gl520_probe,

	.remove		= gl520_remove,

	.id_table	= gl520_id,

	.detect		= gl520_detect,

	.address_list	= normal_i2c,