Re: [PATCH 1/1] dt-bindings: interrupt-controller: fsl,ls-extirq: workaround wrong interrupt-map number

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On Wed, Oct 02, 2024 at 05:26:13PM -0400, Frank Li wrote:
> The driver(drivers/irqchip/irq-ls-extirq.c) have not use standard DT
> function function to parser interrupt-map. So it doesn't consider

Double 'function'.

> '#address-size' in parent interrupt controller, such as GIC.
> 
> When dt-binding verify interrupt-map, item data matrix is spitted at
> incorrect position. So cause below warning:
> 
> arch/arm64/boot/dts/freescale/fsl-ls1088a-qds.dtb: interrupt-controller@14:
> interrupt-map: [[0, 0, 1, 0, 0, 4, 1, 0], [1, 0, 1, 4, 2, 0, 1, 0], ...
> is too short
> 
> Reduce minItems to workaround this warning.
> 
> Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
> ---
>  .../bindings/interrupt-controller/fsl,ls-extirq.yaml     | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.yaml b/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.yaml
> index 199b34fdbefc4..b52abfd3e19d4 100644
> --- a/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.yaml
> +++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.yaml
> @@ -85,10 +85,17 @@ allOf:
>                - fsl,ls1088a-extirq
>                - fsl,ls2080a-extirq
>                - fsl,lx2160a-extirq
> +# The driver(drivers/irqchip/irq-ls-extirq.c) have not use standard DT
> +# function function to parser interrupt-map. So it doesn't consider
> +# '#address-size' in parent interrupt controller, such as GIC.
> +#
> +# When  dt-binding verify interrupt-map, item data matrix is spitted at
> +# incorrect position. Reduce minItems to workaround this problem.
> +
>      then:
>        properties:
>          interrupt-map:
> -          minItems: 12
> +          minItems: 8

This should be restricted to compatibles in that driver, not to all. I
assume that driver won't be corrected here because it would break the
ABI, thus probably maxItems should be 8 as well.

Best regards,
Krzysztof





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