linux-kernel - Re: [RFC][PATCH 2/2] PM: Rework handling of interrupts during suspend-resume

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Message-ID: <alpine.LFD.2.00.0902251956450.3111@localhost.localdomain>
Date:	Wed, 25 Feb 2009 19:57:48 -0800 (PST)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Arve Hjønnevåg <arve@...roid.com>
cc:	Ingo Molnar <mingo@...e.hu>, "Rafael J. Wysocki" <rjw@...k.pl>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Len Brown <lenb@...nel.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [RFC][PATCH 2/2] PM: Rework handling of interrupts during 
 suspend-resume



On Wed, 25 Feb 2009, Arve Hjønnevåg wrote:
> 
> I don't think this is a oddball case. It is very common to connect
> keys or keypads to gpios. If these keys are wakeup keys, it is not OK
> to loose interrupts during the suspend phase.

.. and how many drivers is that? Is it one or two "gpio input drivers" or 
is it a hundred?

The "common" is not so much about "how many machines", but "in how many 
drivers would you actually do this".

			Linus
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