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Date:   Sat, 16 May 2020 11:37:58 +0200
From:   Linus Walleij <>
To:     Geert Uytterhoeven <>
Cc:     Bartosz Golaszewski <>,
        "open list:GPIO SUBSYSTEM" <>,
        "" <>
Subject: Re: [PATCH] gpiolib: Document that GPIO line names are not globally unique

On Mon, May 11, 2020 at 12:18 PM Geert Uytterhoeven
<> 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 <>

Patch applied.

Linus Walleij

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