Re: [PATCH 091/171] ACPI: GPE enabling should happen after EC installation

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On Wednesday 30 April 2008 07:58:53 Carlos Corbacho wrote:
> On Wednesday 30 April 2008 11:25:34 Zhao Yakui wrote:
> > On Tue, 2008-04-29 at 04:44 -0400, Len Brown wrote:
> > > From: Alexey Starikovskiy <astarikovskiy@xxxxxxx>
> > >
> > > GPE could try to access EC region, so should not be enabled before
> > > EC is installed
> >
> > It is caused by broken bios if GPE method tries to access EC region
> > before EC is initialized correctly. It is more appropriate to fix this
> > issue by upgrading bios rather than by the patch.
> > And this patch will cause some potential problems.
>
> 1) Does the BIOS in question work under Windows?

^^^
that should be 'not work'

> 2) Does the system in question require a BIOS upgrade under Windows for
> this issue?
>
> If the answer to both of those is 'no', then the answer is that it's a
> Linux bug, and a patch of some description is appropriate.
>
> Just because there are crappy BIOS's out there, and we'd rather not put in
> nasty fixes, doesn't mean that we shouldn't.

-Carlos
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