Re: [PATCH v2 3/4] dt-bindings: remoteproc: qcom: wcnss: Add qcom,pronto compatible

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On Mon Sep 12, 2022 at 4:17 PM IST, Krzysztof Kozlowski wrote:
> On 12/09/2022 05:33, Sireesh Kodali wrote:
> > On Fri Sep 9, 2022 at 1:30 PM IST, Krzysztof Kozlowski wrote:
> >> On 08/09/2022 20:49, Sireesh Kodali wrote:
> >>> The qcom,pronto compatible is used in the wcn36xx driver to determine
> >>> which register to access. However, this compatible was not documented.
> >>> This patch documents the existing compatible as is, since it isn't
> >>> immediately clear why the wcn36xx driver uses this extra compatible,
> >>> rather than relying directly on the regular compatible string.
> >>
> >> The patch does much more - messes entirely all compatibles...
> > 
> > Is there another preferred way to handle this?
>
> The one which does not introduces any other changes than what you wrote
> here. You wrote here, that qcom,pronto is being added, so why some
> things are changed to oneOf or to enums?

I think I didn't explain what the patch is doing properly..

Right now, the remoteproc driver expects "qcom,pronto-v2/v3" for pronto
devices, and "qcom,riva" for riva. This has been already documented
properly.

The wcn36xx driver expects "qcom,pronto" for pronto devices. I am not sure
why wcn36xx was written like this. But it is the current state of the
driver that I am documenting. So the device tree will have compatible
strings like "qcom,pronto-v2", "qcom,pronto"; Both need to be present.
For Riva it would just be compatible = "qcom,riva"; Hence the oneOf.
I will add a comment explaining this in v3
>
> Best regards,
> Krzysztof





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