[PATCH] pmdomain: mediatek: mtk-mfg: select MAILBOX in Kconfig

[Ulf Hansson]

On Thu, 30 Oct 2025 at 14:17, Nicolas Frattaroli
<nicolas.frattaroli at collabora.com> wrote:
>
> The mtk-mfg pmdomain driver calls common mailbox framework functions. If
> the common mailbox framework is not selected in the kernel's
> configuration, the build runs into a linker error, as the symbols are
> absent.
>
> The hardware mailbox Kconfig system, MAILBOX, has no dependencies of its
> own. It's therefore safe to "select" it rather than use "depend on".
>
> Declare this "select" dependency in the Kconfig for the driver.
>
> Fixes: 1ff1f0db6aec ("pmdomain: mediatek: Add support for MFlexGraphics")
> Reported-by: kernel test robot <lkp at intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202510301311.TcOCnZ1s-lkp@intel.com/
> Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli at collabora.com>

Applied for next, thanks!

Kind regards
Uffe


> ---
> I assume this can be squashed into the mtk-mfg driver addition commit of
> the maintainer that merged it.
> ---
>  drivers/pmdomain/mediatek/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/pmdomain/mediatek/Kconfig b/drivers/pmdomain/mediatek/Kconfig
> index b06aaa9690f0..8923e6516441 100644
> --- a/drivers/pmdomain/mediatek/Kconfig
> +++ b/drivers/pmdomain/mediatek/Kconfig
> @@ -32,6 +32,7 @@ config MTK_MFG_PM_DOMAIN
>         depends on PM
>         depends on OF
>         depends on COMMON_CLK
> +       select MAILBOX
>         select PM_GENERIC_DOMAINS
>         imply MTK_GPUEB_MBOX
>         help
>
> ---
> base-commit: d78b0fee454c25d292fb6343253eca06d7634fd9
> change-id: 20251030-mfg-mailbox-dep-ec32ef510e6a
>
> Best regards,
> --
> Nicolas Frattaroli <nicolas.frattaroli at collabora.com>
>