linux-kernel - Re: [PATCH v2 2/7] dt-bindings: pinctrl: Add RZ/A1 bindings doc

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Date:   Wed, 22 Mar 2017 14:20:08 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Jacopo Mondi <jacopo+renesas@...ndi.org>
Cc:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Chris Brandt <chris.brandt@...esas.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/7] dt-bindings: pinctrl: Add RZ/A1 bindings doc

On Wed, Mar 22, 2017 at 11:33 AM, Geert Uytterhoeven
<geert@...ux-m68k.org> wrote:
> On Mon, Mar 20, 2017 at 5:14 PM, Jacopo Mondi <jacopo+renesas@...ndi.org> wrote:
>> Add device tree bindings documentation for Renesas RZ/A1 gpio and pin
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/pinctrl/renesas,rza1-pinctrl.txt

ulating the pin index from its position
>> +      (port where it sits on and pin offset), and alternate function
>> +      configuration options are provided in pin controller header file at:
>
> the pin ... file
>
>> +      include/dt-bindings/pinctrl/r7s72100-pinctrl.h
>
> Hence I'd include that file in this patch, as it's part of the bindings.

Ah, that would create a hard dependency between the DTS files and the
DT bindings, which typically go in through different trees.
As the driver replicates the definitions from the header, the include file
can go in with the DTS updates.

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