linux-kernel - Re: [PATCH v4 1/2] dt-bindings: interrupt-controller: sifive, plic: Fix number of interrupts

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Date:   Fri, 28 Jan 2022 17:57:04 +0000
From:   Conor Dooley <mail@...chuod.ie>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Sagar Kadam <sagar.kadam@...ive.com>,
        Rob Herring <robh+dt@...nel.org>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v4 1/2] dt-bindings: interrupt-controller: sifive, plic: Fix number of interrupts

> The number of interrupts lacks an upper bound, thus assuming one,
> causing properly grouped "interrupts-extended" properties to be flagged
> as an error by "make dtbs_check".
>
> Fix this by adding the missing "maxItems", using the architectural
> maximum of 15872 interrupts.
>
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> Acked-by: Rob Herring <robh@...nel.org>
> ---
> v4:
>   - Use architectural maximum instead of practical maximum of 9,
>
> v3:
>   - Add Acked-by,
>
> v2:
>   - Split in two patches,
>   - Improve patch description and document limit rationale.
> ---
>  .../bindings/interrupt-controller/sifive,plic-1.0.0.yaml         | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
> index 28b6b17fe4b26778..57c06126c99502fa 100644
> --- a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
> +++ b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
> @@ -62,6 +62,7 @@ properties:
>
>    interrupts-extended:
>      minItems: 1
> +    maxItems: 15872
>      description:
>        Specifies which contexts are connected to the PLIC, with "-1" specifying
>        that a context is not present. Each node pointed to should be a
> --
> 2.25.1

As with the clint - clears errors on the icicle dt, so fwiw:
Acked-by: Conor Dooley <conor.dooley@...rochip.com>