[RFT] PCI changes related to wakeup (was: Re: [linux-pm] ehci_hcd related S3 lockup on ASUS laptops, again)

["Rafael J. Wysocki" <rjw@xxxxxxx>]

On Saturday, May 26, 2012, Rafael J. Wysocki wrote:
> On Saturday, May 26, 2012, Steven Rostedt wrote:
> > On Fri, 2012-05-25 at 22:01 -0400, Alan Stern wrote:
> > > Steve and Andrey:
> > > 
> > > It turns out that the proposed solution for your problem causes a
> > > regression on other ASUS computers (see Bugzilla 43278).  Rafael's got a
> > > proposal for a replacement.
> > > 
> > > Can you try out the patch attached to comment #61 of Bugzilla 42728?  It
> > > may even allow USB wakeup to work for you (but I wouldn't count on it!).
> > > Thanks.
> > 
> > I added the patch against 3.4 and my laptop still suspends.
> > 
> > And no, wakeup still doesn't work.
> > 
> > Tested-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
> 
> Thanks!
> 
> Unfortunately, I have no idea what to do to make wakeup work on the
> affected machines.

Andrey, Stephen,

We still have problems with this patch in https://bugzilla.kernel.org/show_bug.cgi?id=43278
so some more testing will be necessary, I'm afraid.

I will send a series of ACPI and PCI patches I have collected so far,
that I'd like you to test on top of kernel 3.4.0 with commit
151b61284776 reverted.

Please let me know if suspend/wakeup work for you with these patches applied.

Thanks,
Rafael

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