On Monday 23 January 2006 8:42 pm, Greg KH wrote:
> On Mon, Jan 23, 2006 at 11:01:25AM -0800, David Brownell wrote:
> > This moves the previously widely-used ehci-pci.c BIOS handoff
> > code into the pci-quirks.c file, replacing the less widely used
> > "early handoff" version that seems to cause problems lately.
> > 
> > One notable change:  the "early handoff" version always enabled
> > an SMI IRQ ... and did so even if the pre-Linux code said it was
> > not using EHCI (and not expecting EHCI SMIs).  Looks like a goof
> > in a workaround for some unknown BIOS version.
> > 
> > This merged version only forcibly enables those IRQs when pre-Linux
> > code says it's using EHCI.  And now it always forces them off "just
> > in case".
> 
> Thanks for posting this, it fixes my EHCI + APIC error, and makes my
> laptop work just fine.

OK, here's a version with a Signed-Off-By; against current GIT.

I'm mildly surprised it helps that laptop, but not surprised that
it helps _some_ of those "ehci init goofs" cases.  :)

- Dave