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SubjectRe: [PATCH 2/6] hwmon: (aspeed-pwm-tacho) Use devm_thermal_of_cooling_device_register
On Thu, Apr 18, 2019 at 12:58 PM Guenter Roeck <linux@roeck-us.net> wrote:
>
> 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 removal.
>
> Fixes: f198907d2ff6d ("hwmon: (aspeed-pwm-tacho) cooling device support.")
> Cc: Mykola Kostenok <c_mykolak@mellanox.com>
> Cc: Joel Stanley <joel@jms.id.au>
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Reviewed-by: Patrick Venture <venture@google.com>

> ---
> drivers/hwmon/aspeed-pwm-tacho.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/hwmon/aspeed-pwm-tacho.c b/drivers/hwmon/aspeed-pwm-tacho.c
> index c4dd6301e7c8..0daf0b32aa4a 100644
> --- a/drivers/hwmon/aspeed-pwm-tacho.c
> +++ b/drivers/hwmon/aspeed-pwm-tacho.c
> @@ -830,10 +830,8 @@ static int aspeed_create_pwm_cooling(struct device *dev,
> }
> snprintf(cdev->name, MAX_CDEV_NAME_LEN, "%pOFn%d", child, pwm_port);
>
> - cdev->tcdev = thermal_of_cooling_device_register(child,
> - cdev->name,
> - cdev,
> - &aspeed_pwm_cool_ops);
> + cdev->tcdev = devm_thermal_of_cooling_device_register(dev, child,
> + cdev->name, cdev, &aspeed_pwm_cool_ops);
> if (IS_ERR(cdev->tcdev))
> return PTR_ERR(cdev->tcdev);
>
> --
> 2.7.4
>

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