linux-kernel - Re: [PATCH 9/9] ARM: dts: uniphier: Remove compatible "snps,dw-pcie-ep" from Pro5 pcie-ep node

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Date:   Sat, 30 Jul 2022 13:58:09 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 9/9] ARM: dts: uniphier: Remove compatible
 "snps,dw-pcie-ep" from Pro5 pcie-ep node

On Mon, Jul 4, 2022 at 2:20 AM Kunihiko Hayashi
<hayashi.kunihiko@...ionext.com> wrote:
>
> UniPhier PCIe endpoint controller doesn't use "snps,dw-pcie-ep" compatible,
> so this is no longer needed. Remove the compatible string from the pcie-ep
> node to fix the following warning.
>
>   uniphier-pro5-epcore.dtb: pcie@...00000: compatible: ['socionext,uniphier-pro5-pcie-ep', 'snps,dw-pcie-ep'] is too long
>       From schema: Documentation/devicetree/bindings/pci/socionext,uniphier-pcie-ep.yaml
>

This sounds like a problem with the binding rather than the dt file. Is this not
a designware pci endpoint? Should it be documented in that binding instead?

         Arnd