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

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Date:   Tue, 8 Dec 2020 12:01:02 -0600
From:   Rob Herring <robh@...nel.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Marek Vasut <marek.vasut+renesas@...il.com>,
        linux-pci@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        devicetree@...r.kernel.org, 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 12:59:27PM +0100, Geert Uytterhoeven 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'")

I don't think this fixes is appropriate. The commit itself wasn't 
broken, this binding is.

> Fixes: 4c0f80920923f103 ("dt-bindings: PCI: rcar: Add bindings for R-Car PCIe endpoint controller")
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> ---
> 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...

No, I think this patch is the right change. EP and host bindings should 
be similiar.

Fix your Sob and resend please.

Rob