linux-kernel - Re: [GIT PULL] PM updates for 2.6.33

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Date:	Sun, 6 Dec 2009 14:54:48 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	LKML <linux-kernel@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Alan Stern <stern@...land.harvard.edu>
Subject: Re: [GIT PULL] PM updates for 2.6.33

On Dec 6, 2009, at 12:18 PM, Arjan van de Ven <arjan@...radead.org>  
wrote:

> On Sun, 6 Dec 2009 11:58:44 -0800 (PST)
> Linus Torvalds <torvalds@...ux-foundation.org> wrote:
>
>>
>>
>> On Sun, 6 Dec 2009, Arjan van de Ven wrote:
>>>
>>> in suspend, there's a PCI device (:1b) that does take some time,
>>> which is the audio controller. The bulk of the time is in the serio
>>> driver though..
>>
>> That serio thing is disgusting. We had serious problems with the
>> serial driver timeouts for boot-time optimizations too, didn't we?
>
> isn't serio the PS/2 stuff?

Yes, that's your PS/2 mouse (rather touchpad) and the delay comes from  
device reset (needed by some keyboard controllers - I remember HP -or  
it and keyboard will be dead at resume).

-- 
Dmitry

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