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Date: Wed, 25 Feb 2009 20:24:03 -0800
Message-ID: <d6200be20902252024ie529433r9790f5d5ec7b8b5a@mail.gmail.com>
Subject: Re: [RFC][PATCH 2/2] PM: Rework handling of interrupts during 
	suspend-resume
From: =?ISO-8859-1?Q?Arve_Hj=F8nnev=E5g?= <arve@android.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
       Ingo Molnar <mingo@elte.hu>, "Rafael J. Wysocki" <rjw@sisk.pl>,
       LKML <linux-kernel@vger.kernel.org>,
       Benjamin Herrenschmidt <benh@kernel.crashing.org>,
       Jeremy Fitzhardinge <jeremy@goop.org>,
       pm list <linux-pm@lists.linux-foundation.org>,
       Len Brown <lenb@kernel.org>, Jesse Barnes <jbarnes@virtuousgeek.org>,
       Thomas Gleixner <tglx@linutronix.de>
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On Wed, Feb 25, 2009 at 8:20 PM, Eric W. Biederman
<ebiederm@xmission.com> wrote:
> Arve Hjønnevåg <arve@android.com> writes:
>
>> We only have one gpio input driver, but I don't think is good to loose
>> any wakeup interrupts. Any driver that needs an edge triggered wakeup
>> interrupt will have problems if the hardware does not regenerate the
>> interrupt when the host does not respond.
>
> We are not loosing interrupts.  The normal implementation of disable
> is a software disable and sets IRQ_PENDING to ensure we don't loose
> interrupts when the interrupt is disabled.

We loose the wakeup, but yes, the interrupt will be delivered if the
system wakes up for any other reason.

-- 
Arve Hjønnevåg