linux-kernel - Re: [PATCH 1/4] dt-bindings: i2c: qcom,i2c-cci: Fall back to common compatibles

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Date:   Tue, 13 Dec 2022 18:01:05 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        linux-arm-msm@...r.kernel.org, andersson@...nel.org,
        agross@...nel.org
Cc:     marijn.suijten@...ainline.org,
        Loic Poulain <loic.poulain@...aro.org>,
        Robert Foss <robert.foss@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] dt-bindings: i2c: qcom,i2c-cci: Fall back to common
 compatibles



On 13.12.2022 17:58, Krzysztof Kozlowski wrote:
> On 13/12/2022 12:56, Konrad Dybcio wrote:
>> Almost every compatible string in the CCI driver is a duplicate. Adjust
>> the bindings to include a common (first-soc-implementing-vX) compatible
>> to remove the need to keep adding superfluous compatible strings.
>>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>> ---
>>  .../devicetree/bindings/i2c/qcom,i2c-cci.yaml | 25 +++++++++++++------
>>  1 file changed, 17 insertions(+), 8 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml b/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml
>> index cf9f8fda595f..65cf7860a9a0 100644
>> --- a/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml
>> +++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml
>> @@ -12,14 +12,23 @@ maintainers:
>>  
>>  properties:
>>    compatible:
>> -    enum:
>> -      - qcom,msm8226-cci
>> -      - qcom,msm8916-cci
>> -      - qcom,msm8974-cci
>> -      - qcom,msm8996-cci
>> -      - qcom,sdm845-cci
>> -      - qcom,sm8250-cci
>> -      - qcom,sm8450-cci
>> +    oneOf:
> 
> Except missing test,
Hm? I tested this locally with dt_binding_check and it passed..

how about also adding a comment to the driver, that
> list of compatibles should not grow when not needed?
Sure.

Konrad
> 
> Best regards,
> Krzysztof
>