Re: [PATCH v2 1/1] dt-bindings: PCI: host-generic-pci: Drop minItems and maxItems of ranges

From: Rob Herring (Arm)
Date: Mon Jul 08 2024 - 13:14:10 EST



On Thu, 04 Jul 2024 12:40:19 -0400, Frank Li wrote:
> The ranges description states that "at least one non-prefetchable memory
> and one or both of prefetchable memory and IO space may also be provided."
>
> However, it should not limit the maximum number of ranges to 3.
>
> Freescale LS1028 and iMX95 use more than 3 ranges because the space splits
> some discontinuous prefetchable and non-prefetchable segments.
>
> Drop minItems and maxItems. The number of entries will be limited to 32
> in pci-bus-common.yaml in dtschema, which should be sufficient.
>
> Fix the below CHECK_DTBS warning.
> arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dtb: pcie@1f0000000: ranges: [[2181038080, 1, 4160749568, 1, 4160749568, 0, 1441792], [3254779904, 1, 4162191360, 1, 4162191360, 0, 458752], [2181038080, 1, 4162650112, 1, 4162650112, 0, 131072], [3254779904, 1, 4162781184, 1, 4162781184, 0, 131072], [2181038080, 1, 4162912256, 1, 4162912256, 0, 131072], [3254779904, 1, 4163043328, 1, 4163043328, 0, 131072], [2181038080, 1, 4227858432, 1, 4227858432, 0, 4194304]] is too long
>
> Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
> ---
> Change from v1 to v2
> - Rework commit message
> - drop minItems and maxItems according to Rob's comments.
> ---
> Documentation/devicetree/bindings/pci/host-generic-pci.yaml | 2 --
> 1 file changed, 2 deletions(-)
>

Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>