Re: [PATCH v3] watchdog: convert the Kconfig dependency on OF_GPIO to OF

From: Guenter Roeck

Date: Wed May 06 2026 - 09:30:41 EST


On Wed, May 06, 2026 at 10:16:00AM +0200, Bartosz Golaszewski wrote:
> OF_GPIO is selected automatically on all OF systems. Any symbols it
> controls also provide stubs so there's really no reason to select it
> explicitly. We could simply remove the dependency but in order to avoid
> a new symbol popping up for everyone in make config - just convert it to
> requiring CONFIG_OF.
>
> Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxxxxxxxx>

Applied to my watchdog-next branch after resolving conflicts.
Dependencis are now
depends on GPIOLIB && (ACPI || OF)

Thanks,
Guenter

> ---
> Changes in v3:
> - Send the watchdog patch separately so that it can be picked up for v7.2
> - Link to v2: https://patch.msgid.link/20260316-gpio-of-kconfig-v2-0-de2f4b00a0e4@xxxxxxxxxxxxxxxx
>
> Changes in v2:
> - Make gpio-watchdog depend on OF && GPIOLIB
> - Drop picked up patches
> - Link to v1: https://patch.msgid.link/20260304-gpio-of-kconfig-v1-0-d597916e79e7@xxxxxxxxxxxxxxxx
>
> drivers/watchdog/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
> index dc78729ba2a5..ab1d5d6df5f3 100644
> --- a/drivers/watchdog/Kconfig
> +++ b/drivers/watchdog/Kconfig
> @@ -250,7 +250,7 @@ config DA9062_WATCHDOG
>
> config GPIO_WATCHDOG
> tristate "Watchdog device controlled through GPIO-line"
> - depends on OF_GPIO
> + depends on OF && GPIOLIB
> select WATCHDOG_CORE
> help
> If you say yes here you get support for watchdog device