Messages in this thread | | | Date | Fri, 16 Sep 2005 15:00:40 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [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/
| |