On Thu, Jun 29, 2017 at 11:33 PM, Thomas Gleixner <tglx at linutronix.de> wrote:
> The irq chip callbacks irq_request/release_resources() have absolutely no
> business with masking and unmasking the irq.
>
> The core code unmasks the interrupt after complete setup and masks it
> before invoking irq_release_resources().
>
> The unmask is actually harmful as it happens before the interrupt is
> completely initialized in __setup_irq().
>
> Remove it.
>
> Fixes: f6a8249f9e55 ("pinctrl: exynos: Lock GPIOs as interrupts when used as EINTs")
> Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
> Cc: Tomasz Figa <tomasz.figa at gmail.com>
> Cc: Krzysztof Kozlowski <krzk at kernel.org>
> Cc: Sylwester Nawrocki <s.nawrocki at samsung.com>
> Cc: Linus Walleij <linus.walleij at linaro.org>
> Cc: Kukjin Kim <kgene at kernel.org>
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-samsung-soc at vger.kernel.org
> Cc: linux-gpio at vger.kernel.org
Patch applied directly since it has no deps and fixes queued stuff for v4.13.
I guess Krysztof will make sure it doesn't break anything.
Yours,
Linus Walleij
