On 12/7/05, Matthew Garrett <[email protected]> wrote:
> On Wed, Dec 07, 2005 at 03:19:07PM +0100, Bartlomiej Zolnierkiewicz wrote:
> > On 12/7/05, Matthew Garrett <[email protected]> wrote:
> > > On Wed, Dec 07, 2005 at 09:17:31AM +0100, Bartlomiej Zolnierkiewicz wrote:
> > >
> > > > Isn't ide-io.c:ide_{start,complete}_power_step() enough?
> > >
> > > No.
> >
> > Why? :)
>
> Heh :) The failure is (IIRC, I don't have the serial logs to hand)
> before ide_start_power_step() is called. We get to start_request(), and
> the system then fails with "bus not ready on wakeup" and "drive not
> ready on wakeup". Calling the _GTM and _STM ACPI methods before then
> lets the system come back up normally.
OK, I understand it now - when using 'ide-generic' host driver for IDE
PCI device, resume fails (for obvious reason - IDE PCI device is not
re-configured) and this patch fixes it through using ACPI methods.
Thanks,
Bartlomiej
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