linux-kernel - Re: [PATCH] pinctrl: at91: allow use of of gpio-line-names property

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Message-ID: <CAHp75Vfop8MpzkFRzQKt78UZc6DiEZTm2SYqJDtwm1KcsjC=+w@mail.gmail.com>
Date:   Wed, 8 Dec 2021 18:28:17 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Peter Rosin <peda@...ntia.se>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Ludovic Desroches <ludovic.desroches@...rochip.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: at91: allow use of of gpio-line-names property

On Wed, Dec 8, 2021 at 4:51 PM Alexander Dahl <ada@...rsis.com> wrote:
> Am Tue, Dec 07, 2021 at 12:32:03AM +0100 schrieb Peter Rosin:
> > If no line name is given (by not having a gpio-line-names property,
> > or by having empty "" strings for some lines), fall back to the
> > existing pioC12-style line name scheme.
> >
> > It is useful to be able to explicitly name lines from the schematics
> > or its function, rather than having the MCU names forced upon every
> > user.
>
> +1 from me.
>
> I asked about this some months ago, but I saw no clear
> direction in the discussion. So for reference:
>
> https://lore.kernel.org/linux-gpio/946021874.11132.1615900079722@seven.thorsis.com/

Thanks for the reminder. AFAICS from that discussion we kinda agreed
on the names being excluded from the ABI path. Hence there is good and
bad news.

Bad one: NAK to this patch.
Good one: Please, fix this in the gpiolib respective functions to make
it once for all.

Disclaimer, I'm not a maintainer of this subsystem, I might be
perfectly wrong in my understanding of the state of affairs, let's
hear what Linus and Bart can tell us about the subject. Above are just
my wishes as a contributor to and consumer of this subsystem on how
things should be done.

-- 
With Best Regards,
Andy Shevchenko