linux-kernel - Re: [PATCH v5 1/5] gpiolib: Add support for gpiochipN-based table lookup

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Message-ID: <CACRpkdZGKB9opaOFT8Yz-tfE9vcCVeF9EvvBi7jWWuAAh3C_FA@mail.gmail.com>
Date:   Thu, 12 Mar 2020 15:23:08 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Jonathan Corbet <corbet@....net>,
        Harish Jenny K N <harish_kandiga@...tor.com>,
        Eugeniu Rosca <erosca@...adit-jv.com>,
        Alexander Graf <graf@...zon.com>,
        Peter Maydell <peter.maydell@...aro.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Phil Reid <preid@...ctromag.com.au>,
        Marc Zyngier <marc.zyngier@....com>,
        Christoffer Dall <christoffer.dall@....com>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        QEMU Developers <qemu-devel@...gnu.org>
Subject: Re: [PATCH v5 1/5] gpiolib: Add support for gpiochipN-based table lookup

On Tue, Feb 18, 2020 at 4:18 PM Geert Uytterhoeven
<geert+renesas@...der.be> wrote:

> Currently GPIO controllers can only be referred to by label in GPIO
> lookup tables.
>
> Add support for looking them up by "gpiochipN" name, with "N" the
> corresponding GPIO device's ID number.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> Reviewed-by: Ulrich Hecht <uli+renesas@...nd.eu>
> Reviewed-by: Eugeniu Rosca <erosca@...adit-jv.com>
> Tested-by: Eugeniu Rosca <erosca@...adit-jv.com>

Just like with patch 2/5 I have the same problem here that
the commit message doesn't state the technical reason why
we need to change this and support the device name in these
tables and not just labels.

(Possibly again I will realize it...)

Yours,
Linus Walleij