linux-kernel - Re: [PATCH] dt-bindings: sifive-l2-cache: Fix 'select' matching

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Message-ID: <mhng-25484677-27e9-4456-b497-0c7bd00bab18@palmerdabbelt-glaptop>
Date:   Thu, 19 Aug 2021 21:31:53 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     robh@...nel.org
CC:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Paul Walmsley <paul.walmsley@...ive.com>,
        aou@...s.berkeley.edu, sagar.kadam@...ive.com,
        yash.shah@...ive.com, linux-riscv@...ts.infradead.org
Subject:     Re: [PATCH] dt-bindings: sifive-l2-cache: Fix 'select' matching

On Tue, 17 Aug 2021 10:47:55 PDT (-0700), robh@...nel.org wrote:
> When the schema fixups are applied to 'select' the result is a single
> entry is required for a match, but that will never match as there should
> be 2 entries. Also, a 'select' schema should have the widest possible
> match, so use 'contains' which matches the compatible string(s) in any
> position and not just the first position.
>
> Fixes: 993dcfac64eb ("dt-bindings: riscv: sifive-l2-cache: convert bindings to json-schema")
> Cc: Paul Walmsley <paul.walmsley@...ive.com>
> Cc: Palmer Dabbelt <palmer@...belt.com>
> Cc: Albert Ou <aou@...s.berkeley.edu>
> Cc: Sagar Kadam <sagar.kadam@...ive.com>
> Cc: Yash Shah <yash.shah@...ive.com>
> Cc: linux-riscv@...ts.infradead.org
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
>  .../devicetree/bindings/riscv/sifive-l2-cache.yaml        | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml b/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml
> index 1d38ff76d18f..2b1f91603897 100644
> --- a/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml
> +++ b/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml
> @@ -24,10 +24,10 @@ allOf:
>  select:
>    properties:
>      compatible:
> -      items:
> -        - enum:
> -            - sifive,fu540-c000-ccache
> -            - sifive,fu740-c000-ccache
> +      contains:
> +        enum:
> +          - sifive,fu540-c000-ccache
> +          - sifive,fu740-c000-ccache
>
>    required:
>      - compatible

Thanks, this is on fixes.