linux-kernel - Re: [PATCH v1 1/3] gpio: pca9570: Use devm_mutex

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Message-ID: <CAMRc=MdngvVWs8KZb+bOkS=qEcMp7FTPQArAvsAHxbei8RJq=Q@mail.gmail.com>
Date: Tue, 13 Jan 2026 12:01:40 +0100
From: Bartosz Golaszewski <brgl@...nel.org>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Linus Walleij <linusw@...nel.org>
Subject: Re: [PATCH v1 1/3] gpio: pca9570: Use devm_mutex_init() for mutex initialization

On Tue, Jan 13, 2026 at 11:09 AM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> Replace mutex_init() with the devm_mutex_init(), to ensure proper mutex
> cleanup during probe failure and driver removal.
>

Well, I can almost hear Johan Hovold yelling at you that this is not
about mutex cleanup but merely a useless debugging feature.

Though personally, I'm fine with it. Just reword the commit message
because there's no actual cleanup happening other than freeing the
memory allocated for the devres entry. :)

Bartosz