linux-kernel - Re: [PATCH v2 1/4] dt-bindings: sound: Add Apple MCA I2S transceiver

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Date:   Fri, 19 Aug 2022 16:09:05 +0300
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Martin Povišer <povik+lin@...ebit.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Hector Martin <marcan@...can.st>,
        Sven Peter <sven@...npeter.dev>,
        Philipp Zabel <p.zabel@...gutronix.de>
Cc:     Alyssa Rosenzweig <alyssa@...enzweig.io>, asahi@...ts.linux.dev,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/4] dt-bindings: sound: Add Apple MCA I2S transceiver

On 19/08/2022 16:08, Krzysztof Kozlowski wrote:
> On 19/08/2022 15:58, Martin Povišer wrote:
>>
>>> On 19. 8. 2022, at 14:54, Martin Povišer <povik+lin@...ebit.org> wrote:
>>>
>>> Add binding schema for MCA I2S transceiver found on Apple M1 and other
>>> chips.
>>>
>>> Signed-off-by: Martin Povišer <povik+lin@...ebit.org>
>>> ---
>>> .../devicetree/bindings/sound/apple,mca.yaml  | 131 ++++++++++++++++++
>>> 1 file changed, 131 insertions(+)
>>> create mode 100644 Documentation/devicetree/bindings/sound/apple,mca.yaml
>>>
>>> diff --git a/Documentation/devicetree/bindings/sound/apple,mca.yaml b/Documentation/devicetree/bindings/sound/apple,mca.yaml
>>> new file mode 100644
>>> index 000000000000..7b4f348c2be3
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/sound/apple,mca.yaml
>>> @@ -0,0 +1,131 @@
>>
>>
>>> +properties:
>>> +  compatible:
>>> +    items:
>>> +      - enum:
>>> +          - apple,t8103-mca
>>> +          - apple,t6000-mca
>>
>> Since it was brought up last time but I didn’t respond: the
>> nonalphabetical order is as the chips were introduced (and
>> matches other schemas).
> 
> Sure, just keep that order for future compatibles as well - so always
> put them according to verifiable time of market introduction...
> 
> This is very poor reason, instead of alphabetical order. Even worse
> reason is repeating wrong pattern just because someone else did it.

Ah, and the alphabetical order has clear advantage - reduces conflicts.
"Time" has clear disadvantage - increases conflicts.

So switch to alphabetical order.

Best regards,
Krzysztof