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Message-ID: <8db1092f0901192330n43ba88bbk20f79233aad48c0a@mail.gmail.com>
Date: Tue, 20 Jan 2009 08:30:05 +0100
From: "Maciej Rutecki" <maciej.rutecki@...il.com>
To: "Rafael J. Wysocki" <rjw@...k.pl>
Cc: "Jeff Garzik" <jeff@...zik.org>, "Frans Pop" <elendil@...net.nl>,
tj@...nel.org, akpm@...ux-foundation.org,
torvalds@...ux-foundation.org, linux-ide@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/6] Hibernation: Introduce system_entering_hibernation
2009/1/19 Rafael J. Wysocki <rjw@...k.pl>:
> From: Rafael J. Wysocki <rjw@...k.pl>
>
> 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>
Tested-by: Maciej Rutecki <maciej.rutecki@...il.com>
Tested on HP Compaq nx6310
Thanks for patches
--
Maciej Rutecki
http://www.maciek.unixy.pl
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