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hwmon: (max6697) Convert to use devm_hwmon_device_register_with_groups 

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2013-09-01 22:49:25 -07:00
parent 3710263f13
commit 8d3735522f
1 changed files with 17 additions and 37 deletions
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54
drivers/hwmon/max6697.c
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@ -77,7 +77,7 @@ struct max6697_chip_data {
};
struct max6697_data {
struct device *hwmon_dev;
struct i2c_client *client;
enum chips type;
const struct max6697_chip_data *chip;
@ -181,8 +181,8 @@ static const struct max6697_chip_data max6697_chip_data[] = {
static struct max6697_data *max6697_update_device(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct max6697_data *data = i2c_get_clientdata(client);
struct max6697_data *data = dev_get_drvdata(dev);
struct i2c_client *client = data->client;
struct max6697_data *ret = data;
int val;
int i;
@ -303,8 +303,7 @@ static ssize_t set_temp(struct device *dev,
{
int nr = to_sensor_dev_attr_2(devattr)->nr;
int index = to_sensor_dev_attr_2(devattr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct max6697_data *data = i2c_get_clientdata(client);
struct max6697_data *data = dev_get_drvdata(dev);
long temp;
int ret;
@ -316,7 +315,7 @@ static ssize_t set_temp(struct device *dev,
temp = DIV_ROUND_CLOSEST(temp, 1000) + data->temp_offset;
temp = clamp_val(temp, 0, data->type == max6581 ? 255 : 127);
data->temp[nr][index] = temp;
ret = i2c_smbus_write_byte_data(client,
ret = i2c_smbus_write_byte_data(data->client,
index == 2 ? MAX6697_REG_MAX[nr]
: MAX6697_REG_CRIT[nr],
temp);
@ -405,8 +404,7 @@ static umode_t max6697_is_visible(struct kobject *kobj, struct attribute *attr,
int index)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct i2c_client *client = to_i2c_client(dev);
struct max6697_data *data = i2c_get_clientdata(client);
struct max6697_data *data = dev_get_drvdata(dev);
const struct max6697_chip_data *chip = data->chip;
int channel = index / 6; /* channel number */
int nr = index % 6; /* attribute index within channel */
@ -489,6 +487,7 @@ static struct attribute *max6697_attributes[] = {
static const struct attribute_group max6697_group = {
.attrs = max6697_attributes, .is_visible = max6697_is_visible,
};
__ATTRIBUTE_GROUPS(max6697);
static void max6697_get_config_of(struct device_node *node,
struct max6697_platform_data *pdata)
@ -525,9 +524,9 @@ static void max6697_get_config_of(struct device_node *node,
}
}
static int max6697_init_chip(struct i2c_client *client)
static int max6697_init_chip(struct max6697_data *data,
struct i2c_client *client)
{
struct max6697_data *data = i2c_get_clientdata(client);
struct max6697_platform_data *pdata = dev_get_platdata(&client->dev);
struct max6697_platform_data p;
const struct max6697_chip_data *chip = data->chip;
@ -625,6 +624,7 @@ static int max6697_probe(struct i2c_client *client,
struct i2c_adapter *adapter = client->adapter;
struct device *dev = &client->dev;
struct max6697_data *data;
struct device *hwmon_dev;
int err;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
@ -636,37 +636,18 @@ static int max6697_probe(struct i2c_client *client,
data->type = id->driver_data;
data->chip = &max6697_chip_data[data->type];
i2c_set_clientdata(client, data);
data->client = client;
mutex_init(&data->update_lock);
err = max6697_init_chip(client);
err = max6697_init_chip(data, client);
if (err)
return err;
err = sysfs_create_group(&client->dev.kobj, &max6697_group);
if (err)
return err;
data->hwmon_dev = hwmon_device_register(dev);
if (IS_ERR(data->hwmon_dev)) {
err = PTR_ERR(data->hwmon_dev);
goto error;
}
return 0;
error:
sysfs_remove_group(&client->dev.kobj, &max6697_group);
return err;
}
static int max6697_remove(struct i2c_client *client)
{
struct max6697_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &max6697_group);
hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
data,
max6697_groups);
if (IS_ERR(hwmon_dev))
return PTR_ERR(hwmon_dev);
return 0;
}
@ -692,7 +673,6 @@ static struct i2c_driver max6697_driver = {
.name = "max6697",
},
.probe = max6697_probe,
.remove = max6697_remove,
.id_table = max6697_id,
};