Re: [PATCH v6 1/9] media: dt-bindings: Add OV5670

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On 28/01/2023 12:03, Jacopo Mondi wrote:
> Since I got the attention of both of you, let me point out another
> issue I'm facing.
> 
> We also have video-interface-devices.yaml which lists properties for
> the device node and not for the endpoints.
> 
> video-interface-devices lists properties that should be all optionally
> accepted, as they can potentially apply to all sensors (things like
> rotation, orientation, lens-focus, flash-leds are valid for all
> devices)
> 
> Being properties for the device node they should be specified in the
> schema top-level and I see a few schema that do that by
> 
>         allOf:
>           - $ref: /schemas/media/video-interface-devices.yaml#
> 
> However top level schemas usually specify
> 
>         additionalProperties: false
> 
> Which means each sensor schema has to list the properties it accepts from
> video-interface-devices.yaml. It's easy to verify this just by
> adding "orientation" to the example in a schema that refers to
> video-interface-devices.yaml and see that the bindings validation
> fails (see below)
> 
> TL;DR is there a way to tell in a schema with a top-level
> "additionalProperties: false" that all properties from a referenced
> schema are accepted ?

No, because this would make it exactly the same as
unevaluatedProperties, so we would have two keywords with same meaning.

https://lore.kernel.org/all/c2740d66-b51f-efc2-6583-a69bde950c68@xxxxxxxxxx/

Best regards,
Krzysztof




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