On Tuesday, 27 of November 2007, Pavel Machek wrote:
> Hi!
>
> > From: Rafael J. Wysocki <[email protected]>
> >
> > Move the low level restore code to kernel/power/disk.c , since the
> > corresponding low level hibernation code is already there.
> >
> > Make restore fail if device_power_down(PMSG_PRETHAW) returns an
> > error.
> >
> > Signed-off-by: Rafael J. Wysocki <[email protected]>
>
> Move looks ok to me.
>
>
> > /**
> > + * resume_target_kernel - prepare devices that need to be suspended with
> > + * interrupts off, restore the contents of highmem that have not been
> > + * restored yet from the image and run the low level code that will restore
> > + * the remaining contents of memory and switch to the just restored target
> > + * kernel.
> > + */
> > +
> > +static int resume_target_kernel(void)
> > +{
> > + int error;
> > +
> > + local_irq_disable();
> > + error = device_power_down(PMSG_PRETHAW);
> > + if (error) {
> > + printk(KERN_ERR "Some devices failed to power down, "
> > + KERN_ERR "aborting resume\n");
> > + goto Enable_irqs;
>
> Too many KERN_ERR's ;-)
Yeah, will fix.
> . Plus... are you sure this does the right
> thing? ... .. ... yes, it does. If one device fails,
> device_power_down() powers up the rest using dpm_power_up(). Good.
>
> ACK... modulo double KERN_ERR.
OK, thanks!
Rafael
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