Re: [PATCH 1/6] Hibernation: Introduce system_entering_hibernation

From: Rafael J. Wysocki
Date: Mon Jan 19 2009 - 16:36:33 EST

On Monday 19 January 2009, Frederic Weisbecker wrote:
> On Mon, Jan 19, 2009 at 08:54:54PM +0100, Rafael J. Wysocki wrote:
> > From: Rafael J. Wysocki <rjw@xxxxxxx>
> >
> > 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).
> >
> Hi Rafael,
> Why not using the power event notifier?

I'm not sure what you mean exactly, care to elaborate?

Anyway, however, this is a pretty old patch series and I'm not very much
interested in reworking it once again. If you think it can be made better,
please go on. :-)

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