On 16/09/2022 15:31, Jean-Philippe Brucker wrote:
> The QEMU devicetree uses a different order for SMMUv3 interrupt names,
> and there isn't a good reason for enforcing a specific order. Since all
> interrupt lines are optional, operating systems should not expect a
> fixed interrupt array layout; they should instead match each interrupt
> to its name individually. Besides, as a result of commit e4783856a2e8
> ("dt-bindings: iommu: arm,smmu-v3: make PRI IRQ optional"), "cmdq-sync"
> and "priq" are already permutable. Relax the interrupt-names array
> entirely by allowing any permutation, incidentally making the schema
> more readable.
>
> Note that dt-validate won't allow duplicate names here so we don't need
> to specify maxItems or add additional checks, it's quite neat.
Nice explanation, much appriecated!
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Best regards,
Krzysztof
