Re: selftests: gpio: crash on arm64

[Naresh Kamboju <naresh.kamboju@linaro.org>]

Hi Linus and Bartosz,

On Tue, 20 Jun 2023 at 22:11, Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:
>
> On Tue, Apr 11, 2023 at 10:57:28AM +0200, Linus Walleij wrote:
> > On Mon, Apr 10, 2023 at 11:16 AM Naresh Kamboju
> > <naresh.kamboju@linaro.org> wrote:
>
> ...
>
> > Add a pr_info() devm_gpio_chip_release() in drivers/gpio/gpiolib-devres.c
> > and see if the callback is even called. I think this could be the
> > problem: if that isn't cleaned up, there will be dangling references.
>
> Side note: Since we have devres tracepoints, your patch seems an overkill :-)
> Just enable devres tracepoints and filter out by the function name. I believe
> that should work.

Since I have been tracking open issues on the stable-rc kernel,
The reported problem on stable-rc linux.6.3.y has been solved
on the stable-rc linux.6.6.y branch.

Thanks for fixing this reported issue.

Upstream links about this fix and discussion,

Commit daecca4b8433
gpiolib: Do not alter GPIO chip fwnode member

[1] https://lore.kernel.org/linux-gpio/20230703142308.5772-4-andriy.shevchenko@linux.intel.com/
[2] https://lore.kernel.org/linux-gpio/CAMRc=MfFEBSeJ78NO7XeuzAMJ0KezEPAYWsWnFXXaRyQPAf3dA@mail.gmail.com/
[3] https://lore.kernel.org/linux-gpio/CA+G9fYv94gx8+-JMzbmQaue3q3y6QdBmsGUCdD-26X5XavL3Ag@mail.gmail.com/

>
> --
> With Best Regards,
> Andy Shevchenko
>
>