Re: commit 'ACPICA: Minimize the differences between linux GPE code and ACPICA code base' breaks EC GPE on my system

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On Fri, 2010-06-11 at 21:43 +0200, Rafael J. Wysocki wrote: 
> On Friday, June 11, 2010, Rafael J. Wysocki wrote:
> > On Friday, June 11, 2010, Maxim Levitsky wrote:
> > > Just bisected it.
> > > 
> > > I also tried linux-acpi-next/test, and no change.
> > > 
> > > The sympthoms are that EC does't sent any GPEs, and therefore battery
> > > insert/removal events don't show up.
> > > 
> > > It can be see by doing 'grep  . /sys/firmware/acpi/interrupts/*'
> > > With regression the line is shown like this:
> > > 
> > > 
> > > /sys/firmware/acpi/interrupts/gpe1C:   1	enabled
> > > 
> > > Without regression it is
> > > 
> > > /sys/firmware/acpi/interrupts/gpe1C:   22889	enabled
> > > 
> > > and steadily increasing.
> > > 
> > > After suspend/resume, regression disappears.
> > 
> > Hmm.
> > 
> > Can you please apply the following patches:
> > 
> > https://patchwork.kernel.org/patch/104903/
> > https://patchwork.kernel.org/patch/104912/
> > https://patchwork.kernel.org/patch/104909/
> > https://patchwork.kernel.org/patch/104911/
> > https://patchwork.kernel.org/patch/104910/
> > 
> > on top of current -git and see if the problem is still there?
> 
> Also, regardless of whether or not this helps, please try to revert only the
> changes made by the "guilty" commit in drivers/acpi/acpica/evxface.c and see
> if that helps (this revert will conflict with the patches above, so you'll need
> to unapply them before).
> 
> Thanks,
> Rafael
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Yes, reverting changes in 'drivers/acpi/acpica/evxface.c' do restore
correct behavior.

Best regards,
Maxim Levitsky

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