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hwmon: convert ntc_thermistor to use devm_thermal_zone_of_sensor_register 

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 13:02:22 -08:00
parent 2a48802f37
commit 0e058bc3ac
1 changed files with 4 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/hwmon/ntc_thermistor.c
View File

@ -259,7 +259,6 @@ struct ntc_data {
struct device *dev;
int n_comp;
char name[PLATFORM_NAME_SIZE];
struct thermal_zone_device *tz;
};
#if defined(CONFIG_OF) && IS_ENABLED(CONFIG_IIO)
@ -579,6 +578,7 @@ static const struct thermal_zone_of_device_ops ntc_of_thermal_ops = {
static int ntc_thermistor_probe(struct platform_device *pdev)
{
struct thermal_zone_device *tz;
const struct of_device_id *of_id =
of_match_device(of_match_ptr(ntc_match), &pdev->dev);
const struct platform_device_id *pdev_id;
@ -677,12 +677,10 @@ static int ntc_thermistor_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "Thermistor type: %s successfully probed.\n",
pdev_id->name);
data->tz = thermal_zone_of_sensor_register(data->dev, 0, data->dev,
&ntc_of_thermal_ops);
if (IS_ERR(data->tz)) {
tz = devm_thermal_zone_of_sensor_register(data->dev, 0, data->dev,
&ntc_of_thermal_ops);
if (IS_ERR(tz))
dev_dbg(&pdev->dev, "Failed to register to thermal fw.\n");
data->tz = NULL;
}
return 0;
err_after_sysfs:
@ -700,8 +698,6 @@ static int ntc_thermistor_remove(struct platform_device *pdev)
sysfs_remove_group(&data->dev->kobj, &ntc_attr_group);
ntc_iio_channel_release(pdata);
thermal_zone_of_sensor_unregister(data->dev, data->tz);
return 0;
}