From: Pavel Machek <pavel@suse.cz>
To: Len Brown <lenb@kernel.org>
Cc: Alexey Starikovskiy <alexey_y_starikovskiy@linux.intel.com>,
Linux ACPI <linux-acpi@vger.kernel.org>
Subject: Re: Runtime GPEs not saved over suspend/resume if type != "platform"
Date: Fri, 27 Oct 2006 10:40:52 +0200 [thread overview]
Message-ID: <20061027084052.GC1831@elf.ucw.cz> (raw)
In-Reply-To: <200610270122.34846.len.brown@intel.com>
Hi!
> > There is a problem with swsuspend and GPE events.
> > Now they are restored from acpi_pm_finish(), which is called only if we
> > suspend with "platform" option, what means that if we suspended to disk
> > with the default "shutdown" option after resume all the GPEs will be disabled.
> > This presents us with the overheating problem after resume at very least.
>
> > I see two solutions: one is to make "platform" to be default option if ACPI is enabled,
> > and second -- enable GPE events from some other function, which will be called in any case.
>
> We need to do both.
>
> "platform" needs to be the default on ACPI-enabled platforms because
> when "shutdown" is used, wakeup devices that function from S4
> but fail to function from S5 are unavailable.
>
> Further, if somebody chooses to use "shutdown", certainly GPEs
> need to work when they resume.
Agreed. And rafael's patch is good step forward (in making "platform"
default). Time to push it to akpm?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2006-10-27 8:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-25 14:42 Runtime GPEs not saved over suspend/resume if type != "platform" Alexey Starikovskiy
2006-10-25 15:07 ` Rafael J. Wysocki
2006-10-27 5:22 ` Len Brown
2006-10-27 8:40 ` Pavel Machek [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-10-25 15:15 Yu, Luming
2006-10-25 16:35 ` Alexey Starikovskiy
2006-10-25 18:54 ` Rafael J. Wysocki
2006-10-26 13:21 ` Alexey Starikovskiy
2006-10-26 15:01 ` Rafael J. Wysocki
2006-10-26 15:05 ` Alexey Starikovskiy
2006-10-25 15:18 Yu, Luming
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