[PATCH v3 05/12] dt-bindings: phy: renesas,usb2-phy: Add renesas,sysc-signals

[Krzysztof Kozlowski]

On 22/05/2025 16:39, Claudiu Beznea wrote:
> 
> 
> On 22.05.2025 15:48, Krzysztof Kozlowski wrote:
>> On 22/05/2025 14:46, Krzysztof Kozlowski wrote:
>>>>>>  
>>>>>> +  - if:
>>>>>> +      properties:
>>>>>> +        compatible:
>>>>>> +          contains:
>>>>>> +            const: renesas,usb2-phy-r9a08g045
>>>>>> +    then:
>>>>>> +      required:
>>>>>> +        - renesas,sysc-signals
>>>>>
>>>>> That's ABI break.
>>>>
>>>> There is no in kernel device tree users of "renesas,usb2-phy-r9a08g045"
>>>> compatible. It is introduced in patch 11/12 from this series. With this do
>>>> you still consider it ABI break?
>>>
>>> Then this patch cannot be split from binding introducing the user. Don't
>>> add unused/undocumented compatibles.
>>>
>> Or you meant DTS?
> 
> Yes, I meant in tree DTS.

Rhetorical question (because we talked about this on mailing list many
times enough): what would be the point of any ABI if you can break it
and adjust in-tree DTS in the next patch?

Best regards,
Krzysztof