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

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Date:	Mon, 30 Jan 2012 23:50:22 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Kevin Hilman <khilman@...com>
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

On Monday, January 30, 2012, Kevin Hilman wrote:
> "Rafael J. Wysocki" <rjw@...k.pl> writes:
> 
> > On Wednesday, January 25, 2012, Kevin Hilman wrote:
> >> "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.
> >
> > Great, thanks!
> >
> 
> OK, I gave it a test on OMAP by converting our _noirq usage to the new
> early/late callbacks.  Works great.  Thanks!
> 
> Tested-by: Kevin Hilman <khilman@...com>

Many thanks for the testing!

Rafael
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