On Thu, Jun 29, 2017 at 11:33 PM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx> > Cc: Tomasz Figa <tomasz.figa@xxxxxxxxx> > Cc: Krzysztof Kozlowski <krzk@xxxxxxxxxx> > Cc: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> > Cc: Linus Walleij <linus.walleij@xxxxxxxxxx> > Cc: Kukjin Kim <kgene@xxxxxxxxxx> > Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Cc: linux-samsung-soc@xxxxxxxxxxxxxxx > Cc: linux-gpio@xxxxxxxxxxxxxxx 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 -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html