Re: [PATCH v10 1/6] dt-bindings: mmc: Extend keep-power-in-suspend beyond SDIO

[Shawn Lin]

Hi

在 2026/10/27 星期二 22:40, Ulf Hansson 写道:
> From: Kamal Dasu <kamal.dasu@xxxxxxxxxxxx>
>
> keep-power-in-suspend is currently documented as SDIO-only, but the
> requirement it describes -- preserving card power across a
> suspend/resume cycle -- applies just as well to any card type. Drop
> the SDIO-only restriction so eMMC and SD platforms can use it too.

I don't see how SD could use it from the following patches. Perhaps we
should still be more strict here to say SDIO and eMMC only, unless
SD part is implemented later.

> Signed-off-by: Kamal Dasu <kamal.dasu@xxxxxxxxxxxx>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>
> ---
>   .../devicetree/bindings/mmc/mmc-controller-common.yaml          | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/mmc/mmc-controller-common.yaml b/Documentation/devicetree/bindings/mmc/mmc-controller-common.yaml
> index 8b9b3b036129..2fc8e06d5ec9 100644
> --- a/Documentation/devicetree/bindings/mmc/mmc-controller-common.yaml
> +++ b/Documentation/devicetree/bindings/mmc/mmc-controller-common.yaml
> @@ -301,7 +301,7 @@ properties:
>     keep-power-in-suspend:
>       $ref: /schemas/types.yaml#/definitions/flag
>       description:
> -      SDIO only. Preserves card power during a suspend/resume cycle.
> +      Preserves card power during a suspend/resume cycle.
>   
>     wakeup-source:
>       $ref: /schemas/types.yaml#/definitions/flag