Re: [PATCH 1/3] dt-bindings: PCI: ti,j721e-pci-*: Fix check for num-lanes

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On 17/01/2024 11:25, Siddharth Vadapalli wrote:
> The existing implementation for validating the "num-lanes" property
> based on the compatible(s) doesn't enforce it. Fix it by updating the
> checks to handle both single-compatible and multi-compatible cases.
> 
> Fixes: b3ba0f6e82cb ("dt-bindings: PCI: ti,j721e-pci-*: Add checks for num-lanes")
> Fixes: adc14d44d7cb ("dt-bindings: PCI: ti,j721e-pci-*: Add j784s4-pci-* compatible strings")
> Signed-off-by: Siddharth Vadapalli <s-vadapalli@xxxxxx>
> ---
>  .../bindings/pci/ti,j721e-pci-ep.yaml         | 26 ++++++++++++++-----
>  .../bindings/pci/ti,j721e-pci-host.yaml       | 26 ++++++++++++++-----
>  2 files changed, 38 insertions(+), 14 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
> index 97f2579ea908..278e0892f8ac 100644
> --- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
> +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
> @@ -68,8 +68,9 @@ allOf:
>    - if:
>        properties:
>          compatible:

Missing contains:, instead of your change.

> -          enum:
> -            - ti,am64-pcie-ep
> +          items:
> +            - const: ti,am64-pcie-ep
> +            - const: ti,j721e-pcie-ep

>      then:
>        properties:
>          num-lanes:
> @@ -78,9 +79,9 @@ allOf:
>    - if:
>        properties:
>          compatible:
> -          enum:
> -            - ti,j7200-pcie-ep
> -            - ti,j721e-pcie-ep
> +          items:
> +            - const: ti,j7200-pcie-ep
> +            - const: ti,j721e-pcie-ep

"Ditto

>      then:
>        properties:
>          num-lanes:
> @@ -90,8 +91,19 @@ allOf:
>    - if:
>        properties:
>          compatible:
> -          enum:
> -            - ti,j784s4-pcie-ep
> +          items:
> +            - const: ti,j721e-pcie-ep
> +    then:
> +      properties:
> +        num-lanes:
> +          minimum: 1
> +          maximum: 4
> +
> +  - if:
> +      properties:
> +        compatible:
> +          items:
> +            - const: ti,j784s4-pcie-ep

Why? Previous code was correct.


Best regards,
Krzysztof





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