lkml.org 
[lkml]   [2005]   [Sep]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [linux-usb-devel] Re: Lost keyboard on Inspiron 8200 at 2.6.13
On Fri, 16 Sep 2005, Greg KH wrote:

> On Fri, Sep 16, 2005 at 05:00:49PM +0100, Alan Cox wrote:
> > On Gwe, 2005-09-16 at 10:25 -0500, Dmitry Torokhov wrote:
> > > Interdependencies between ACPI, PNP, USB Legacy emulation and I8042 is
> > > very delicate and quite often changes in ACPI/PNP break that balance.
> > > USB legacy emulation is just evil. We need to have "usb-handoff" thing
> > > enabled by default, it fixes alot of problems.
> >
> > I would definitely agree with this. There are very few, if any, cases
> > usb handoff doesn't work now that the Nvidia problems are fixed.
>
> Are we sure? Yeah, SuSE has shipped that code "enabled" for a while,
> but I'm still not comfortable making that the default.
>
> Only if we merge the code that does the handoff, with the same code that
> does it in the usb core, would I feel more comfortable to enable this
> always. I had a patch from David Brownell to do this, but it had some
> link errors at times, so I had to drop it :(

Merging the code would be a good thing. As it stands right now, bad
interactions between the PCI handoff code and uhci-hcd will prevent UHCI
controllers from retaining state across a suspend-to-disk.

Alan Stern

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-09-16 21:03    [W:0.054 / U:0.628 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site