linux-kernel - Re: [PATCH] dt-bindings: dmaengine: qcom: gpi: Add minItems for interrupts

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Message-ID: <0598d1bb-cd7c-1414-910c-ae6bedc8295d@linaro.org>
Date:   Thu, 14 Apr 2022 09:36:20 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Vinod Koul <vkoul@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: dmaengine: qcom: gpi: Add minItems for
 interrupts

On 14/04/2022 08:42, Vinod Koul wrote:
> Add the minItems for interrupts property as well. In the absence of
> this, we get warning if interrupts are less than 13
> 
> arch/arm64/boot/dts/qcom/qrb5165-rb5.dtb:
> dma-controller@...000: interrupts: [[0, 588, 4], [0, 589, 4], [0, 590,
> 4], [0, 591, 4], [0, 592, 4], [0, 593, 4], [0, 594, 4], [0, 595, 4], [0,
>   596, 4], [0, 597, 4]] is too short
> 
> Signed-off-by: Vinod Koul <vkoul@...nel.org>
> ---
>  Documentation/devicetree/bindings/dma/qcom,gpi.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/dma/qcom,gpi.yaml b/Documentation/devicetree/bindings/dma/qcom,gpi.yaml
> index 8a790ffbdaac..7d2fc4eb5530 100644
> --- a/Documentation/devicetree/bindings/dma/qcom,gpi.yaml
> +++ b/Documentation/devicetree/bindings/dma/qcom,gpi.yaml
> @@ -32,6 +32,7 @@ properties:
>    interrupts:
>      description:
>        Interrupt lines for each GPI instance
> +    minItems: 1

This should be some real case minimum, not just 1. Unless really only
one interrupt is also possible in existing variations?


Best regards,
Krzysztof