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Message-ID: <CAHp75VdLuj1UZB+UqfvkrBUreT6NdFY5xrXASncinj-_XVqEbA@mail.gmail.com>
Date: Mon, 14 Aug 2023 19:28:36 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
Linus Walleij <linus.walleij@...aro.org>,
Andy Shevchenko <andy@...nel.org>,
Marek Behún <kabel@...nel.org>
Subject: Re: [PATCH v1 1/1] gpiolib: sysfs: Do unexport GPIO when user asks
for it
On Mon, Aug 14, 2023 at 7:13 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:
> On Mon, Aug 14, 2023 at 1:19 PM Andy Shevchenko
> <andriy.shevchenko@...ux.intel.com> wrote:
> >
> > It seems that sysfs interface implicitly relied on the gpiod_free()
> > to unexport the line. This is not good and prone to regressions.
> > Fix it by explicitly calling gpiod_unexport().
> >
>
> I wouldn't say it's prone to regressions, it's literally just that
> gpiod_free() should not deal with sysfs.
>
> How about that for commit message (I can change it when applying):
>
> It seems that sysfs interface implicitly relied on the gpiod_free()
> to unexport the line. This is logically incorrect as core gpiolib should
> not deal with sysfs so instead of restoring it, let's call gpiod_unexport()
> from sysfs code.
I'm fine with it, go ahead and apply with the change. Thank you!
--
With Best Regards,
Andy Shevchenko
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