Re: [PATCH v2 1/2] dt-bindings: i2c: maxim,max96712: Add compatible for MAX96724

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On 27/08/2024 20:03, Niklas Söderlund wrote:
> Hi Krzysztof,
> 
> Thanks for your feedback.
> 
> On 2024-08-27 16:53:20 +0200, Krzysztof Kozlowski wrote:
>> On 27/08/2024 15:18, Niklas Söderlund wrote:
>>> The MAX96712 and MAX96724 are almost identical and can be supported by
>>> the same driver, add a compatible for MAX96724.
>>
>> The driver statement in this context is meaningless. You did not make
>> them compatible so what does it matter?
> 
> Agreed, this commit message can be improved.
> 
>>
>>>
>>> Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
>>> Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
>>> ---
>>> * Changes since v1
>>> - Group in series together with driver change.
>>> ---
>>>  .../devicetree/bindings/media/i2c/maxim,max96712.yaml        | 5 ++++-
>>>  1 file changed, 4 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/Documentation/devicetree/bindings/media/i2c/maxim,max96712.yaml b/Documentation/devicetree/bindings/media/i2c/maxim,max96712.yaml
>>> index 6c72e77b927c..26f85151afbd 100644
>>> --- a/Documentation/devicetree/bindings/media/i2c/maxim,max96712.yaml
>>> +++ b/Documentation/devicetree/bindings/media/i2c/maxim,max96712.yaml
>>> @@ -25,7 +25,10 @@ description: |
>>>  
>>>  properties:
>>>    compatible:
>>> -    const: maxim,max96712
>>> +    items:
>>> +      - enum:
>>> +          - maxim,max96712
>>> +          - maxim,max96724
>>
>> Driver change tells these are compatible and version is detectable.
>> Express it in the binding with fallback or explain in commit msg why
>> they are not compatible.
> 
> It is, and as you point out the commit message can be improved. It 
> should have made it clear that what is supported by the staging driver 
> (test pattern generator) is similar for the two devices, the full device 
> have larger differences.

OK.



Best regards,
Krzysztof





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