Re: [PATCH v2 1/3] dt-bindings: mmc: controller: allow node name to be named slot@*

From: Rob Herring
Date: Tue Sep 24 2024 - 16:28:47 EST


On Fri, Sep 20, 2024 at 10:38:03AM +0200, Neil Armstrong wrote:
> In preparation of supporting the mmc-slot subnode, allow
> the nodename to be either mmc@ or mmc-slot@
>
> Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/mmc/mmc-controller.yaml | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
> index 58ae298cd2fc..f797c32ea688 100644
> --- a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
> +++ b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
> @@ -20,7 +20,9 @@ description: |
>
> properties:
> $nodename:
> - pattern: "^mmc(@.*)?$"
> + oneOf:
> + - pattern: "^mmc(@.*)?$"
> + - pattern: "^slot(@.*)?$"

'^(mmc|slot)(@.*)?$'

But the description says something else...

In any case, avoiding 'oneOf' when possible makes for better warnings.

Rob