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@xxxxxxxxx> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> --- drivers/hwmon/npcm750-pwm-fan.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/hwmon/npcm750-pwm-fan.c b/drivers/hwmon/npcm750-pwm-fan.c index b3b907bdfb63..f24cc00caba9 100644 --- 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); -- 2.7.4