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hwmon: convert lm75 to use devm_thermal_zone_of_sensor_register

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This changes the driver to use the devm_ version
of thermal_zone_of_sensor_register and cleans
up the  local points and unregister calls.

Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: lm-sensors@lm-sensors.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Eduardo Valentin 2016-03-09 12:39:58 -08:00
parent ef41be8168
commit 2a48802f37
1 changed files with 3 additions and 7 deletions
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10
drivers/hwmon/lm75.c
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@ -77,7 +77,6 @@ static const u8 LM75_REG_TEMP[3] = {
struct lm75_data {
struct i2c_client *client;
struct device *hwmon_dev;
struct thermal_zone_device *tz;
struct mutex update_lock;
u8 orig_conf;
u8 resolution; /* In bits, between 9 and 12 */
@ -306,11 +305,9 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
if (IS_ERR(data->hwmon_dev))
return PTR_ERR(data->hwmon_dev);
data->tz = thermal_zone_of_sensor_register(data->hwmon_dev, 0,
data->hwmon_dev,
&lm75_of_thermal_ops);
if (IS_ERR(data->tz))
data->tz = NULL;
devm_thermal_zone_of_sensor_register(data->hwmon_dev, 0,
data->hwmon_dev,
&lm75_of_thermal_ops);
dev_info(dev, "%s: sensor '%s'\n",
dev_name(data->hwmon_dev), client->name);
@ -322,7 +319,6 @@ static int lm75_remove(struct i2c_client *client)
{
struct lm75_data *data = i2c_get_clientdata(client);
thermal_zone_of_sensor_unregister(data->hwmon_dev, data->tz);
hwmon_device_unregister(data->hwmon_dev);
lm75_write_value(client, LM75_REG_CONF, data->orig_conf);
return 0;