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From
SubjectRe: [GIT PULL] PM updates for 2.6.33
Date
On Dec 6, 2009, at 12:18 PM, Arjan van de Ven <arjan@infradead.org>  
wrote:

> On Sun, 6 Dec 2009 11:58:44 -0800 (PST)
> Linus Torvalds <torvalds@linux-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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