Re: [PATCH] dt-bindings: mmc: xenon: Convert to JSON schema

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On 21/03/2022 01:12, Chris Packham wrote:
> (adding some ARM people, resending hopefully without the html)
> 
> On 19/03/22 03:20, Krzysztof Kozlowski wrote:
>>> +          - const: marvell,sdhci-xenon
>> This did not exist before. Separate patches please for additions (with
>> explanation why). Maybe some DTS lists this, but then it should be
>> individually judged whether the DTS is correct.
>>
> On this specifically. I was all ready to add an additional patch to 
> document this but then I noticed nothing actually uses the 
> "marvell,sdhci-xenon" compatible and it appears nothing ever did. I then 
> figured I'd delete the unused compatible string from armada-37xx.dtsi 
> but then I remembered that sometimes we add compatible strings to have 
> them "just in case" we need them for some SoC specific workaround.
> 
> So there's a few things I can do
> 
> 0. Nothing (easy) although the binding I just submitted will complain 
> about the unexpected value
> 1. Document "marvell,sdhci-xenon" as a valid compatible
> 1.a. Add "marvell,sdhci-xenon" to the sdhci-xenon.c driver
> 2. Remove "marvell,sdhci-xenon" from armada-37xx.dtsi

Option 1 in a new patch, explaining why you are adding it.

Best regards,
Krzysztof



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