[PATCH 4/4] dt-bindings: net: dsa: mediatek,mt7530: update json-schema

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Fri Aug 12 00:01:16 PDT 2022


On 12/08/2022 09:57, Krzysztof Kozlowski wrote:
> On 12/08/2022 01:09, Arınç ÜNAL wrote:
>>>> -patternProperties:
>>>> -  "^(ethernet-)?ports$":
>>>> -    type: object
>>>
>>> Actually four patches...
>>>
>>> I don't find this change explained in commit msg. What is more, it looks
>>> incorrect. All properties and patternProperties should be explained in
>>> top-level part.
>>>
>>> Defining such properties (with big piece of YAML) in each if:then: is no
>>> readable.
>>
>> I can't figure out another way. I need to require certain properties for 
>> a compatible string AND certain enum/const for certain properties which 
>> are inside patternProperties for "^(ethernet-)?port@[0-9]+$" by reading 
>> the compatible string.
> 
> requiring properties is not equal to defining them and nothing stops you
> from defining all properties top-level and requiring them in
> allOf:if:then:patternProperties.
> 
> 
>> If I put allOf:if:then under patternProperties, I can't do the latter.
> 
> You can.
> 
>>
>> Other than readability to human eyes, binding check works as intended, 
>> in case there's no other way to do it.
> 
> I don't see the problem in doing it and readability is one of main
> factors of code admission to Linux kernel.

One more thought - if your schema around allOf:if:then grows too much,
it is actually a sign that it might benefit from splitting. Either into
two separate schemas or into common+two separate.

Best regards,
Krzysztof



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