linux-kernel - Re: [PATCH] gpiolib: Document that GPIO line names are not globally unique

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Message-ID: <CACRpkdbEhcF-bGfM=ur-M3eByZ2vPhZqofMwxJ+QQS1Evhs62Q@mail.gmail.com>
Date:   Sat, 16 May 2020 11:37:58 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] gpiolib: Document that GPIO line names are not globally unique

On Mon, May 11, 2020 at 12:18 PM Geert Uytterhoeven
<geert+renesas@...der.be> wrote:

> gpiochip_set_desc_names() no longer rejects GPIO line name collisions.
> Hence GPIO line names are not guaranteed to be globally unique.
> In case of multiple GPIO lines with the same name, gpio_name_to_desc()
> will return the first match found.
>
> Update the comments for gpio_name_to_desc() and
> gpiochip_set_desc_names() to match reality.
>
> Fixes: f881bab038c9667d ("gpio: keep the GPIO line names internal")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>

Patch applied.

Yours,
Linus Walleij