Re: [PATCH 2/3] watchdog: rn5t618: Simplify using devm_watchdog_register_device()

From: Guenter Roeck
Date: Mon Mar 06 2023 - 12:33:36 EST


On Mon, Mar 06, 2023 at 06:09:00PM +0100, Uwe Kleine-König wrote:
> This allows to drop the .remove() function as it only exists to
> unregister the watchdog device which is now done in a callback
> registered by devm_watchdog_register_device().
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
> drivers/watchdog/rn5t618_wdt.c | 12 +-----------
> 1 file changed, 1 insertion(+), 11 deletions(-)
>
> diff --git a/drivers/watchdog/rn5t618_wdt.c b/drivers/watchdog/rn5t618_wdt.c
> index 40d8ebd8c0ac..c0aee627ff3b 100644
> --- a/drivers/watchdog/rn5t618_wdt.c
> +++ b/drivers/watchdog/rn5t618_wdt.c
> @@ -178,21 +178,11 @@ static int rn5t618_wdt_probe(struct platform_device *pdev)
>
> platform_set_drvdata(pdev, wdt);
>
> - return watchdog_register_device(&wdt->wdt_dev);
> -}
> -
> -static int rn5t618_wdt_remove(struct platform_device *pdev)
> -{
> - struct rn5t618_wdt *wdt = platform_get_drvdata(pdev);
> -
> - watchdog_unregister_device(&wdt->wdt_dev);
> -
> - return 0;
> + return devm_watchdog_register_device(&wdt->wdt_dev);
> }
>
> static struct platform_driver rn5t618_wdt_driver = {
> .probe = rn5t618_wdt_probe,
> - .remove = rn5t618_wdt_remove,
> .driver = {
> .name = DRIVER_NAME,
> },
> --
> 2.39.1
>