linux-kernel - Re: [PATCH 2/2] docs: gpio-sim device-tree example with gpio-base

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Date:   Tue, 28 Jun 2022 15:01:10 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Menglong Wu <menglongwoo@...yun.com>
Cc:     brgl@...ev.pl, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, bgolaszewski@...libre.com
Subject: Re: [PATCH 2/2] docs: gpio-sim device-tree example with gpio-base

On Wed, Jun 22, 2022 at 5:54 PM Menglong Wu <menglongwoo@...yun.com> wrote:

> Update gpio-sim module device-tree example with property
> 'gpio-base'
>
> Signed-off-by: Menglong Wu <menglongwoo@...yun.com>

Linux-internal global GPIO numbers has no business in device tree
since other operating systems have no use for it.

Also Linux don't really want to use these bases either but want to
move away from it, see:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpio/TODO

Yours,
Linus Walleij