linux-kernel - Re: [PATCH 1/6] Hibernation: Introduce system_entering

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Message-ID: <48E71514.90505@gmail.com>
Date:	Sat, 04 Oct 2008 16:02:44 +0900
From:	Tejun Heo <htejun@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Jeff Garzik <jeff@...zik.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	linux-ide@...r.kernel.org, Thomas Renninger <trenn@...e.de>,
	Robert Hancock <hancockr@...w.ca>,
	LKML <linux-kernel@...r.kernel.org>,
	Frans Pop <elendil@...net.nl>,
	Maciej Rutecki <maciej.rutecki@...il.com>
Subject: Re: [PATCH 1/6] Hibernation: Introduce system_entering_hibernation

Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@...k.pl>
> 
> Hibernation: Introduce system_entering_hibernation
> 
> Introduce boolean function system_entering_hibernation() returning
> 'true' during the last phase of hibernation, in which devices are
> being put into low power states and the sleep state (for example,
> ACPI S4) is finally entered.
> 
> Some device drivers need such a function to check if the system is
> in the final phase of hibernation.  In particular, some SATA drivers
> are going to use it for blacklisting systems in which the disks
> should not be spun down during the last phase of hibernation (the
> BIOS will do that anyway).
> 
> Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>

applied 1-6 to tj-upstream

  git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata-dev.git tj-upstream
  http://git.kernel.org/?p=linux/kernel/git/tj/libata-dev.git;a=shortlog;h=tj-upstream

Thanks.

-- 
tejun
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