Re: [PATCH] ACPI: PM: Clear wake-up device GPEs before enabling

From: Rafael J. Wysocki
Date: Fri Jun 14 2019 - 09:32:26 EST


On Fri, Jun 14, 2019 at 12:45 PM Mika Westerberg
<mika.westerberg@xxxxxxxxxxxxxxx> wrote:
>
> On Thu, Jun 13, 2019 at 10:24:41PM +0200, Rafael J. Wysocki wrote:
> > This patch may cause events to be missed if the GPE. I guess what you reall mean is
> > something like the patch below.
> >
> > This should allow the kernel to see the events generated before the GPEs are
> > implicitly enabled, but it should clear them for the explicit users of acpi_enable_gpe().
> >
> > Mika, what do you think?
>
> Looks good to me. I also tested this with two TBT systems (Skull Canyon
> NUC and Dell XPS 9370) using ACPI hotplug and it did not cause any
> problems if I boot the system with device connected.

Awesome, thanks!

I'll add a changelog to it and post a full version over the weekend or
early next week.