Re: [PATCH 1/3] ASoC: dt-bindings: fsl_easrc: Add support for imx8mp-easrc

[Rob Herring <robh@kernel.org>]

On Sun, Aug 20, 2023 at 04:05:16PM -0500, Adam Ford wrote:
> On Sun, Aug 20, 2023 at 3:33 PM Krzysztof Kozlowski
> <krzysztof.kozlowski@linaro.org> wrote:
> >
> > On 20/08/2023 22:32, Krzysztof Kozlowski wrote:
> > > On 20/08/2023 19:56, Adam Ford wrote:
> > >> The i.MX8MP appears to have the same easrc support as the Nano, so
> > >> add imx8mp as an option with a fallback to imx8mn.
> > >>
> > >> Signed-off-by: Adam Ford <aford173@gmail.com>
> > >>
> > >> diff --git a/Documentation/devicetree/bindings/sound/fsl,easrc.yaml b/Documentation/devicetree/bindings/sound/fsl,easrc.yaml
> > >> index bdde68a1059c..2d53b3b10f2c 100644
> > >> --- a/Documentation/devicetree/bindings/sound/fsl,easrc.yaml
> > >> +++ b/Documentation/devicetree/bindings/sound/fsl,easrc.yaml
> > >> @@ -14,7 +14,11 @@ properties:
> > >>      pattern: "^easrc@.*"
> > >>
> > >>    compatible:
> > >> -    const: fsl,imx8mn-easrc
> > >> +    oneOf:
> > >> +      - items:
> > >> +          - enum:
> > >> +              - fsl,imx8mp-easrc
> > >> +          - const: fsl,imx8mn-easrc
> > >
> > > You need here also const for fsl,imx8mn-easrc, otherwise you do not
> > > allow it alone. Test it for fsl,imx8mn-easrc DTS - you will notice warnings.
> >
> > Actually, I see now Rob's report... you did not have to test DTS even.
> > It was enough to test your change and this test was missing :(. Please
> > test your changes before sending.
> 
> For what it's worth, I did run 'make dt_binding_check', but I didn't
> run it with the extra flags from Rob's e-mail.  The tool didn't return
> any errors.

The error is not related to the '-m' (undocumented compatible) warning. 
It is as Krzysztof said.

Rob