linux-kernel - Re: [PATCH v4 2/9] pinctrl: Renesas RZ/A1 pin and gpio controller

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Date:   Fri, 28 Apr 2017 10:06:16 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Jacopo Mondi <jacopo+renesas@...ndi.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Chris Brandt <chris.brandt@...esas.com>,
        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 v4 2/9] pinctrl: Renesas RZ/A1 pin and gpio controller

On Wed, Apr 26, 2017 at 2:21 PM, Geert Uytterhoeven
<geert@...ux-m68k.org> wrote:
> On Wed, Apr 5, 2017 at 4:07 PM, Jacopo Mondi <jacopo+renesas@...ndi.org> wrote:
>> Add combined gpio and pin controller driver for Renesas RZ/A1
>> r7s72100 SoC.
>>
>> Signed-off-by: Jacopo Mondi <jacopo+renesas@...ndi.org>
>
>> --- /dev/null
>> +++ b/drivers/pinctrl/pinctrl-rza1.c
>
>> +/*
>> + * Keep this up-to-date with pinconf-generic.h: it performs packing of
>> + * pin conf flags and argument during pinconf_generic_parse_dt_config();
>> + * we simply discard pinconf argument here
>> + */
>> +#define PIN_CONF_UNPACK(pinconf)       ((pinconf) & 0xffUL)
>
> Perhaps this should be moved to pinconf-generic.h, to make sure it stays
> up-to-date?

I agree. Use the generic macros.

If further processing is needed, make a static inline to discard config flags
etc.

Yours,
Linus Walleij