linux-kernel - Re: [PATCH 0/3] PM / Sleep: Introduce new phases of device suspend/resume

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Date:	Tue, 24 Jan 2012 17:07:26 -0800
From:	Kevin Hilman <khilman@...com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Linux PM list <linux-pm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>, Greg KH <gregkh@...e.de>,
	Magnus Damm <magnus.damm@...il.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: Re: [PATCH 0/3] PM / Sleep: Introduce new phases of device suspend/resume

"Rafael J. Wysocki" <rjw@...k.pl> writes:

> Hi,
>
> On Friday, December 23, 2011, Rafael J. Wysocki wrote:
>> Hi,
>> 
>> On the request of some driver PM developers, that appears to have been quite
>> popular lately, this series of patches adds new system suspend/resume (and
>> hibernation/restore) callbacks to struct dev_pm_ops and makes the PM core
>> use them during system power transitions.
>> 
>> [1/2] - Introduce "late suspend" and "early resume" of devices.
>> [2/2] - Introduce generic callbacks for new device PM phases.
>> 
>> The series is on top of the linux-next branch of the linux-pm tree.
>> 
>> These patches have been tested on Toshiba Portege R500 with openSUSE 12.1
>> without crashing the box in the process, which looks promising.  Also,
>> they shouldn't actually have any impact on the existing setups other than
>> adding a very short delay to the system suspend/resume code paths.
>
> The patches have received some more testing since the were first posted and
> I've added a PM domains patch on top of them:
>
> [3/3] - Make generic PM domains use the new device suspend/resume phases.
>
> The series applies on top of linux-pm/pm-for-linus (although it should
> apply on top of the current mainline too).
>
> I'm considering these patches as v3.4 material, if there are no objections.

Reviewed-by: Kevin Hilman <khilman@...com>

Thanks Rafael for working on this.

So far I've only reviewed it, but I plan to convert my PM domain noirq
usage to this and give it some testing as well, hopefully this week.

Kevin
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