Re: [PATCH] CHROMIUM: arm64: dts: qcom: Add sc7180-gelarshie

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On 13/04/2022 23:48, Doug Anderson wrote:
> I'm actually kinda curious: is there really a good reason for this? I
> know I haven't been adding things to
> `Documentation/devicetree/bindings/arm/qcom.yaml` for Qualcomm
> Chromebooks.  Ironically, it turns out that the script I typically use
> to invoke checkpatch happens to have "--no-tree" as an argument and
> that seems to disable this check. Doh!
> 
> That being said, though, I do wonder a little bit about the value of
> enumerating the top-level compatible like this in a yaml file.
> Certainly the yaml schema validation in general can be quite useful,
> but this top-level listing seems pure overhead. I guess it makes some
> tools happy, but other than that it seems to provide very little
> value...

If compatible is not part of ABI, it is allowed to change in whatever
shape one wishes. In such case, how can anyone (e.g. user-space)
identify the board? Model name? Also not part of ABI (not documented)...


Best regards,
Krzysztof



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