Re: [PATCH net-next 1/8] dt-bindings: net: Add missing (unevaluated|additional)Properties on child node schemas

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Hi Rob,

On Mon, Oct 16, 2023 at 04:44:20PM -0500, Rob Herring wrote:
> Just as unevaluatedProperties or additionalProperties are required at
> the top level of schemas, they should (and will) also be required for
> child node schemas. That ensures only documented properties are
> present for any node.
> 
> Add unevaluatedProperties or additionalProperties as appropriate.
> 
> Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
> ---
> diff --git a/Documentation/devicetree/bindings/net/dsa/renesas,rzn1-a5psw.yaml b/Documentation/devicetree/bindings/net/dsa/renesas,rzn1-a5psw.yaml
> index 833d2f68daa1..ea285ef3e64f 100644
> --- a/Documentation/devicetree/bindings/net/dsa/renesas,rzn1-a5psw.yaml
> +++ b/Documentation/devicetree/bindings/net/dsa/renesas,rzn1-a5psw.yaml
> @@ -61,17 +61,11 @@ properties:
>  
>    ethernet-ports:
>      type: object
> -    properties:
> -      '#address-cells':
> -        const: 1
> -      '#size-cells':
> -        const: 0
> -
> +    additionalProperties: true
>      patternProperties:
>        "^(ethernet-)?port@[0-4]$":
>          type: object
> -        description: Ethernet switch ports
> -
> +        additionalProperties: true
>          properties:
>            pcs-handle:
>              maxItems: 1

For my edification, this patch removes #address-cells and #size-cells
at the same time, because "additionalProperties: true" (which was also
implied before) doesn't care if they aren't defined in this sub-schema,
and they are defined through $ref: dsa.yaml#/$defs/ethernet-ports,
right?



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