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

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Message-Id: <200810041213.22249.rjw@sisk.pl>
Date:	Sat, 4 Oct 2008 12:13:21 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Jeff Garzik <jeff@...zik.org>, Tejun Heo <htejun@...il.com>,
	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

On Saturday, 4 of October 2008, Alan Cox wrote:
> > 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).
> 
> If you added the PCI ids for the controller to your tables you could
> implement this series once instead of in multiple drivers

Hm, I'm not sure what you mean exactly, but the point is to blacklist the
on-board controllers only and a devfn of the controller is needed for that,
or a part of it (like the slot number I'm using).  Could that be done above
the driver level?
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