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

[AngeloGioacchino Del Regno]

Il 30/10/25 14:17, Nicolas Frattaroli ha scritto:
> 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>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>

> ---
> 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,