Re: [PATCH 3/3] watchdog: wm8350: Simplify using devm_watchdog_register_device()

From: Guenter Roeck
Date: Mon Mar 06 2023 - 12:34:24 EST


On Mon, Mar 06, 2023 at 06:09:01PM +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/wm8350_wdt.c | 9 +--------
> 1 file changed, 1 insertion(+), 8 deletions(-)
>
> diff --git a/drivers/watchdog/wm8350_wdt.c b/drivers/watchdog/wm8350_wdt.c
> index 33c62d51f00a..911ad64460a6 100644
> --- a/drivers/watchdog/wm8350_wdt.c
> +++ b/drivers/watchdog/wm8350_wdt.c
> @@ -153,18 +153,11 @@ static int wm8350_wdt_probe(struct platform_device *pdev)
> /* Default to 4s timeout */
> wm8350_wdt_set_timeout(&wm8350_wdt, 4);
>
> - return watchdog_register_device(&wm8350_wdt);
> -}
> -
> -static int wm8350_wdt_remove(struct platform_device *pdev)
> -{
> - watchdog_unregister_device(&wm8350_wdt);
> - return 0;
> + return devm_watchdog_register_device(&wm8350_wdt);
> }
>
> static struct platform_driver wm8350_wdt_driver = {
> .probe = wm8350_wdt_probe,
> - .remove = wm8350_wdt_remove,
> .driver = {
> .name = "wm8350-wdt",
> },
> --
> 2.39.1
>