linux-kernel - Re: [PATCH] gpio: shared: handle the reset-gpios corner case

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Message-ID: <CAMRc=MdW3AkkivE=sA4STZAmmee7bCBkD5oEsXiRcKA80Ggd4A@mail.gmail.com>
Date: Mon, 24 Nov 2025 09:38:12 +0100
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Val Packett <val@...kett.cool>
Cc: Krzysztof Kozlowski <krzk@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>, 
	Linus Walleij <linus.walleij@...aro.org>, linux-gpio@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH] gpio: shared: handle the reset-gpios corner case

On Sun, Nov 23, 2025 at 2:03 AM Val Packett <val@...kett.cool> wrote:
>
> > ---
> > This is targetting linux-next where the reset-gpio driver is now using
> > the auxiliary bus and software nodes rather than the platform bus and
> > GPIO machine lookup. The bug is the same in both cases but the fix would
> > be completely different.
> > ---
> > [..]
>
> Tried applying only this, as well as this +
> https://lore.kernel.org/all/20251120-reset-gpios-swnodes-v7-0-a100493a0f4b@linaro.org/
> + https://lore.kernel.org/all/20251121135739.66528-1-brgl@bgdev.pl/ (on
> top of next-20251120) and the issue is still present.. am I missing
> something?
>

Can you try this branch?

  https://github.com/brgl/linux test/gpiolib-shared-reset-gpio-fix

I confirmed it works on my setup and fixes the problem with multiple
users of reset-gpio AND shared GPIOs enabled.

Bart