Re: [PATCH v2 2/4] dt-bindings: net: Add support for Sophgo SG2044 dwmac

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On 28/10/2024 08:16, Inochi Amaoto wrote:
> On Mon, Oct 28, 2024 at 08:06:25AM +0100, Krzysztof Kozlowski wrote:
>> On 28/10/2024 00:32, Inochi Amaoto wrote:
>>> On Sun, Oct 27, 2024 at 09:38:00PM +0100, Krzysztof Kozlowski wrote:
>>>> On Fri, Oct 25, 2024 at 09:09:58AM +0800, Inochi Amaoto wrote:
>>>>> The GMAC IP on SG2044 is almost a standard Synopsys DesignWare MAC
>>>>> with some extra clock.
>>>>>
>>>>> Add necessary compatible string for this device.
>>>>>
>>>>> Signed-off-by: Inochi Amaoto <inochiama@xxxxxxxxx>
>>>>> ---
>>>>
>>>> This should be squashed with a corrected previous patch 
>>>
>>> Good, I will.
>>>
>>>> (why do you need to select snps,dwmac-5.30a?), 
>>>
>>> The is because the driver use the fallback versioned compatible 
>>> string to set up some common arguments. (This is what the patch
>>
>> Nope. Driver never relies on schema doing select. That's just incorrect.
>>
> 
> Yeah, I make a mistake on understanding you. For me, I just followed
> what others do. But there is a comment before this select.
> 
> """
> Select every compatible, including the deprecated ones. This way, we
> will be able to report a warning when we have that compatible, since
> we will validate the node thanks to the select, but won't report it
> as a valid value in the compatible property description
> """
> 
> By reading this, I think there may be some historical reason? Maybe
> someone can explain this.

I think this is left-over from older times before all specific
compatibles were added here and in their bindings. This binding has been
waiting for some cleanup for a while now, so this is fine.

I still think the patches should be merged, though.

Best regards,
Krzysztof





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