Re: [linux-pm] [RFC] usb: Add support for runtime power managementof the hcd

[Matthew Garrett]

On Thu, Aug 13, 2009 at 04:26:33PM +0200, Oliver Neukum wrote:
> Am Donnerstag, 13. August 2009 14:30:34 schrieb Matthew Garrett:
> > > Your earlier failures don't look promising regarding BIOSes.
> > > What do you have in mind?
> >
> > They range from pragmatic to ugly. We could blacklist all Dells, though
> > I'm trying to find out if there's a BIOS date that guarantees the system
> > is fixed. Alternatively, it's a single-line bug in the DSDT - we could
> > implement some kind of fixup in the ACPI parsing code. I find the latter
> > interesting but possibly too hideous to live :)
> 
> Is there any indication only those BIOSes are affected?

Based on what I've looked at, other BIOSes either indicate that they 
don't support this or should work properly. Real life may disagree.

-- 
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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