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Commit b060f3c4 authored by Axel Lin's avatar Axel Lin Committed by Guenter Roeck
Browse files

hwmon: (adm1031) 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 278ee1c8

drivers/hwmon/adm1031.c

+38 −63
Original line number Diff line number Diff line
@@ -74,7 +74,8 @@ typedef u8 auto_chan_table_t[8][2]; 


/* Each client has this additional data */

struct adm1031_data {

	struct device *hwmon_dev;

	struct i2c_client *client;

	const struct attribute_group *groups[3];

	struct mutex update_lock;

	int chip_type;

	char valid;		/* !=0 if following fields are valid */
@@ -118,8 +119,8 @@ adm1031_write_value(struct i2c_client *client, u8 reg, unsigned int value) 


static struct adm1031_data *adm1031_update_device(struct device *dev)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct adm1031_data *data = i2c_get_clientdata(client);

	struct adm1031_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	unsigned long next_update;

	int chan;
@@ -342,8 +343,8 @@ static ssize_t 
set_fan_auto_channel(struct device *dev, struct device_attribute *attr,

		     const char *buf, size_t count)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct adm1031_data *data = i2c_get_clientdata(client);

	struct adm1031_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int nr = to_sensor_dev_attr(attr)->index;

	long val;

	u8 reg;
@@ -417,8 +418,8 @@ static ssize_t 
set_auto_temp_min(struct device *dev, struct device_attribute *attr,

		  const char *buf, size_t count)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct adm1031_data *data = i2c_get_clientdata(client);

	struct adm1031_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int nr = to_sensor_dev_attr(attr)->index;

	long val;

	int ret;
@@ -447,8 +448,8 @@ static ssize_t 
set_auto_temp_max(struct device *dev, struct device_attribute *attr,

		  const char *buf, size_t count)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct adm1031_data *data = i2c_get_clientdata(client);

	struct adm1031_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int nr = to_sensor_dev_attr(attr)->index;

	long val;

	int ret;
@@ -490,8 +491,8 @@ static ssize_t show_pwm(struct device *dev, 
static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,

		       const char *buf, size_t count)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct adm1031_data *data = i2c_get_clientdata(client);

	struct adm1031_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int nr = to_sensor_dev_attr(attr)->index;

	long val;

	int ret, reg;
@@ -603,8 +604,8 @@ static ssize_t show_fan_min(struct device *dev, 
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 adm1031_data *data = i2c_get_clientdata(client);

	struct adm1031_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int nr = to_sensor_dev_attr(attr)->index;

	long val;

	int ret;
@@ -627,8 +628,8 @@ 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 adm1031_data *data = i2c_get_clientdata(client);

	struct adm1031_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int nr = to_sensor_dev_attr(attr)->index;

	long val;

	u8 tmp;
@@ -729,8 +730,8 @@ static ssize_t set_temp_offset(struct device *dev, 
			       struct device_attribute *attr, const char *buf,

			       size_t count)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct adm1031_data *data = i2c_get_clientdata(client);

	struct adm1031_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int nr = to_sensor_dev_attr(attr)->index;

	long val;

	int ret;
@@ -750,8 +751,8 @@ static ssize_t set_temp_offset(struct device *dev, 
static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,

			    const char *buf, size_t count)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct adm1031_data *data = i2c_get_clientdata(client);

	struct adm1031_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int nr = to_sensor_dev_attr(attr)->index;

	long val;

	int ret;
@@ -771,8 +772,8 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, 
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 adm1031_data *data = i2c_get_clientdata(client);

	struct adm1031_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int nr = to_sensor_dev_attr(attr)->index;

	long val;

	int ret;
@@ -792,8 +793,8 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, 
static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,

			     const char *buf, size_t count)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct adm1031_data *data = i2c_get_clientdata(client);

	struct adm1031_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	int nr = to_sensor_dev_attr(attr)->index;

	long val;

	int ret;
@@ -869,8 +870,7 @@ static const unsigned int update_intervals[] = { 
static ssize_t show_update_interval(struct device *dev,

				    struct device_attribute *attr, char *buf)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct adm1031_data *data = i2c_get_clientdata(client);

	struct adm1031_data *data = dev_get_drvdata(dev);



	return sprintf(buf, "%u\n", data->update_interval);

}
@@ -879,8 +879,8 @@ static ssize_t set_update_interval(struct device *dev, 
				   struct device_attribute *attr,

				   const char *buf, size_t count)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct adm1031_data *data = i2c_get_clientdata(client);

	struct adm1031_data *data = dev_get_drvdata(dev);

	struct i2c_client *client = data->client;

	unsigned long val;

	int i, err;

	u8 reg;
@@ -1046,15 +1046,16 @@ static void adm1031_init_client(struct i2c_client *client) 
static int adm1031_probe(struct i2c_client *client,

			 const struct i2c_device_id *id)

{

	struct device *dev = &client->dev;

	struct device *hwmon_dev;

	struct adm1031_data *data;

	int err;



	data = devm_kzalloc(&client->dev, sizeof(struct adm1031_data),

			    GFP_KERNEL);

	data = devm_kzalloc(dev, sizeof(struct adm1031_data), GFP_KERNEL);

	if (!data)

		return -ENOMEM;



	i2c_set_clientdata(client, data);

	data->client = client;

	data->chip_type = id->driver_data;

	mutex_init(&data->update_lock);
@@ -1066,39 +1067,14 @@ static int adm1031_probe(struct i2c_client *client, 
	/* Initialize the ADM1031 chip */

	adm1031_init_client(client);



	/* Register sysfs hooks */

	err = sysfs_create_group(&client->dev.kobj, &adm1031_group);

	if (err)

		return err;



	if (data->chip_type == adm1031) {

		err = sysfs_create_group(&client->dev.kobj, &adm1031_group_opt);

		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;



exit_remove:

	sysfs_remove_group(&client->dev.kobj, &adm1031_group);

	sysfs_remove_group(&client->dev.kobj, &adm1031_group_opt);

	return err;

}

	/* sysfs hooks */

	data->groups[0] = &adm1031_group;

	if (data->chip_type == adm1031)

		data->groups[1] = &adm1031_group_opt;



static int adm1031_remove(struct i2c_client *client)

{

	struct adm1031_data *data = i2c_get_clientdata(client);



	hwmon_device_unregister(data->hwmon_dev);

	sysfs_remove_group(&client->dev.kobj, &adm1031_group);

	sysfs_remove_group(&client->dev.kobj, &adm1031_group_opt);

	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 adm1031_id[] = {
@@ -1114,7 +1090,6 @@ static struct i2c_driver adm1031_driver = { 
		.name = "adm1031",

	},

	.probe		= adm1031_probe,

	.remove		= adm1031_remove,

	.id_table	= adm1031_id,

	.detect		= adm1031_detect,

	.address_list	= normal_i2c,