linux-kernel - Re: regression from commit b0ce9ce408b6 ("gpiolib: Do not unexport GPIO on freeing")

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Date:   Tue, 8 Aug 2023 17:01:00 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Marek Behún <kabel@...nel.org>
Cc:     Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
        linux-gpio@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: Re: regression from commit b0ce9ce408b6 ("gpiolib: Do not unexport
 GPIO on freeing")

On Tue, Aug 08, 2023 at 10:28:28AM +0200, Marek Behún wrote:
> Hi,
> 
> the commit b0ce9ce408b6 ("gpiolib: Do not unexport GPIO on freeing")
> 
>   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b0ce9ce408b6
> 
> causes a regression on my mvebu arm board (haven't tested on other
> systems), wherein if I export a GPIO to sysfs and then unexport it, it
> does not disasppear from the /sys/class/gpio directory, and subsequent
> writes to the export and unexport files for the gpio fail.

Thank you for the report. I'll look into this ASAP.

-- 
With Best Regards,
Andy Shevchenko