hwmon: (npcm750-pwm-fan) Use devm_thermal_of_cooling_device_register

Use devm_thermal_of_cooling_device_register() to register the cooling
device. As a side effect, this fixes a driver bug:
thermal_cooling_device_unregister() was not called on device removal.

Fixes: f1fd4a4db777 ("hwmon: Add NPCM7xx PWM and Fan driver")
Cc: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>

diff --git a/drivers/hwmon/npcm750-pwm-fan.c b/drivers/hwmon/npcm750-pwm-fan.c
index b3b907b..f24cc00 100644 (file)
--- a/drivers/hwmon/npcm750-pwm-fan.c
+++ b/drivers/hwmon/npcm750-pwm-fan.c
@@ -864,10 +864,8 @@ static int npcm7xx_create_pwm_cooling(struct device *dev,
        snprintf(cdev->name, THERMAL_NAME_LENGTH, "%pOFn%d", child,
                 pwm_port);
 
-       cdev->tcdev = thermal_of_cooling_device_register(child,
-                                                        cdev->name,
-                                                        cdev,
-                                                        &npcm7xx_pwm_cool_ops);
+       cdev->tcdev = devm_thermal_of_cooling_device_register(dev, child,
+                               cdev->name, cdev, &npcm7xx_pwm_cool_ops);
        if (IS_ERR(cdev->tcdev))
                return PTR_ERR(cdev->tcdev);