Re: [PATCH-next 01/20] gpio: gpio-omap: ensure irq is enabled before wakeup

From: Linus Walleij
Date: Wed Jun 12 2019 - 03:59:38 EST

On Mon, Jun 10, 2019 at 7:11 PM Grygorii Strashko
<grygorii.strashko@xxxxxx> wrote:

> From: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
> Documentation states:
> NOTE: There must be a correlation between the wake-up enable and
> interrupt-enable registers. If a GPIO pin has a wake-up configured
> on it, it must also have the corresponding interrupt enabled (on
> one of the two interrupt lines).
> Ensure that this condition is always satisfied by enabling the detection
> events after enabling the interrupt, and disabling the detection before
> disabling the interrupt. This ensures interrupt/wakeup events can not
> happen until both the wakeup and interrupt enables correlate.
> If we do any clearing, clear between the interrupt enable/disable and
> trigger setting.
> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
> Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>

Patch applied.

Linus Walleij