On Wednesday, 18 July 2007 02:02, Andrew Morton wrote:
> On Tue, 17 Jul 2007 22:40:06 +0200
> "Rafael J. Wysocki" <rjw@xxxxxxx> wrote:
>
> > From: Rafael J. Wysocki <rjw@xxxxxxx>
> >
> > In the future some drivers may need to use ACPI to determine the low power
> > states in which to place their devices, but to provide the drivers with this
> > information the ACPI core needs to know what sleep state the system is going to
> > enter. Namely, the device's state should not be too high power for given system
> > sleep state and, if the device is supposed to be able to wake up the system, its
> > state should not be too low power for the wake up to be possible). For this
> > purpose, the ACPI core needs to implement the set_target() method in 'struct
> > pm_ops' and store the target system sleep state passed by the PM core in a
> > variable.
> >
>
> Len, I can add this to the to-send-to-Len queue, but it would be more
> convenient at this end if you were to ack it and I'll send it in.
> Preferences?
>
>
> >
> > Index: linux-2.6.22-git5/drivers/acpi/sleep/main.c
> > ===================================================================
> > --- linux-2.6.22-git5.orig/drivers/acpi/sleep/main.c
> > +++ linux-2.6.22-git5/drivers/acpi/sleep/main.c
> > @@ -34,34 +34,54 @@ static u32 acpi_suspend_states[] = {
> >
> > static int init_8259A_after_S1;
> >
> > +extern int acpi_sleep_prepare(u32 acpi_state);
> > +extern void acpi_power_off(void);
>
> weep. Please don't do this.
Well, in fact I didn't add those. They were just moved from below the comment
before acpi_pm_prepare(). Seems logical to me ...
> checkpatch will detect this error.
Well, I'd call it a false positive. :-)
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