hwmon: (max6650) Use devm function to register thermal device

Use devm_thermal_of_cooling_device_register to register the thermal
cooling device. This lets us drop the remove function.

At the same time, use 'dev' variable in probe function consistently.

Cc: Jean-Francois Dagenais <jeff.dagenais@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2019-06-07 10:23:16 -07:00
parent 792eac1843
commit 8e5e7ddd38

View File

@ -101,7 +101,6 @@ module_param(clock, int, 0444);
struct max6650_data {
struct i2c_client *client;
const struct attribute_group *groups[3];
struct thermal_cooling_device *cooling_dev;
struct mutex update_lock;
int nr_fans;
char valid; /* zero until following fields are valid */
@ -744,6 +743,7 @@ static const struct thermal_cooling_device_ops max6650_cooling_ops = {
static int max6650_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct thermal_cooling_device *cooling_dev;
struct device *dev = &client->dev;
const struct of_device_id *of_id =
of_match_device(of_match_ptr(max6650_dt_match), dev);
@ -780,28 +780,16 @@ static int max6650_probe(struct i2c_client *client,
return err;
#if IS_ENABLED(CONFIG_THERMAL)
data->cooling_dev =
thermal_of_cooling_device_register(client->dev.of_node,
client->name, data,
&max6650_cooling_ops);
if (IS_ERR(data->cooling_dev))
dev_warn(&client->dev,
"thermal cooling device register failed: %ld\n",
PTR_ERR(data->cooling_dev));
cooling_dev = devm_thermal_of_cooling_device_register(dev, dev->of_node,
client->name, data, &max6650_cooling_ops);
if (IS_ERR(cooling_dev)) {
dev_warn(dev, "thermal cooling device register failed: %ld\n",
PTR_ERR(cooling_dev));
}
#endif
return 0;
}
static int max6650_remove(struct i2c_client *client)
{
struct max6650_data *data = i2c_get_clientdata(client);
if (!IS_ERR(data->cooling_dev))
thermal_cooling_device_unregister(data->cooling_dev);
return 0;
}
static const struct i2c_device_id max6650_id[] = {
{ "max6650", 1 },
{ "max6651", 4 },
@ -815,7 +803,6 @@ static struct i2c_driver max6650_driver = {
.of_match_table = of_match_ptr(max6650_dt_match),
},
.probe = max6650_probe,
.remove = max6650_remove,
.id_table = max6650_id,
};