linux-kernel - Re: [PATCH/RFC] dt-bindings: pci: rcar-pci-ep: Document missing interrupts property

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Message-ID: <CAMuHMdXPrfEvFUDEU72odcS6S8e0GS_XRcrcDsQMvSHxMcxwYg@mail.gmail.com>
Date:   Mon, 30 Nov 2020 10:16:31 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Rob Herring <robh+dt@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Marek Vasut <marek.vasut+renesas@...il.com>
Cc:     linux-pci <linux-pci@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH/RFC] dt-bindings: pci: rcar-pci-ep: Document missing
 interrupts property

On Thu, Nov 26, 2020 at 3:20 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> The R-Car PCIe controller does not use interrupts when configured
> for endpoint mode, hence the bindings do not document the interrupt
> property.  However, all DTS files provide interrupts properties, and
> thus fail to validate.
>
> Fix this by documenting the interrupts property.
>
> Fixes: 5be478f9c24fbdf8 ("dt-bindings: Another round of adding missing 'additionalProperties'")
> Fixes: 4c0f80920923f103 ("dt-bindings: PCI: rcar: Add bindings for R-Car PCIe endpoint controller")
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Oops, this should have been geert+renesas@...der.be.

> ---
> Alternatively, the interrupts properties should be removed from the
> corresponding device nodes in the DTS files.  Obviously they should be
> retained in the device nodes representing PCIe controllers configured in
> host mode, which describe the same hardware...

Anyway, waiting for your comments ;-)

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds