linux-kernel - Re: [PATCH] dt-bindings: PCI: apple: Add missing 'power-domains' property

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Date:   Thu, 26 May 2022 07:40:33 -0500
From:   Rob Herring <robh@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Sven Peter <sven@...npeter.dev>, Hector Martin <marcan@...can.st>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Mark Kettenis <kettenis@...nbsd.org>,
        linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        linux-kernel@...r.kernel.org,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        devicetree@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: PCI: apple: Add missing 'power-domains' property

On Wed, 25 May 2022 20:41:07 -0500, Rob Herring wrote:
> The 'unevaluatedProperties' schema checks is not fully working and doesn't
> catch some cases where there's a $ref to another schema. A fix is pending,
> but results in new warnings in examples.
> 
> The Apple PCIe host has 3 power domains at least according to the example.
> Add the 'power-domains' property to the schema.
> 
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
> Ideally, we'd define what each power domain is, but I don't know what
> they are.
> ---
>  Documentation/devicetree/bindings/pci/apple,pcie.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 

Running 'make dtbs_check' with the schema in this patch gives the
following warnings. Consider if they are expected or the schema is
incorrect. These may not be new warnings.

Note that it is not yet a requirement to have 0 warnings for dtbs_check.
This will change in the future.

Full log is available here: https://patchwork.ozlabs.org/patch/


pcie@...000000: power-domains: [[59]] is too short
	arch/arm64/boot/dts/apple/t8103-j274.dtb
	arch/arm64/boot/dts/apple/t8103-j293.dtb
	arch/arm64/boot/dts/apple/t8103-j313.dtb
	arch/arm64/boot/dts/apple/t8103-j456.dtb
	arch/arm64/boot/dts/apple/t8103-j457.dtb