Greg KH schrieb: > On Wed, Aug 01, 2007 at 09:21:12AM +0200, David Engraf wrote: > >> At the moment I have a Jetway/VIA Mainboard which seems to have a >> problem with the handoff. >> Evenwhen I wait about 20 seconds the EHCI_USBLEGSUP_BIOS flag is not >> cleared. I think this is a BIOS >> bug and I will have to talk to Jetway/VIA. >> > > This sounds like a BIOS bug. > I think so too and I have to talk to Jetway/VIA what there is going wrong. > >> On the other hand, I don't need the EHCI controller in my kernel, so I >> think the kernel shouldn't take the >> handover for the EHCI controller like other OS which do not have an usb >> driver and so don't know that >> there is a EHCI_USBLEGSUP_BIOS flag which should be cleared. >> > > We need to do this early to handle a wide range of machines that do very > nasty things if we do not grab the device as early as possible. Even if > we do not ever get around to loading that usb driver. > > Yeah, hardware sucks at times :( > > Ok, but when we don't habe the driver for the usb controller, I think the BIOS should control it because maybe the BIOS found for example a keyboard or mouse and emulates it as an PS2 keayboard/mouse, so we could use it without the usb driver. I think that's why they developed the handoff feature. Are there any known hardware which has problems when we disable the handoff?
> thanks, > > greg k-h > Thanks David Engraf Netcom Sicherheitstechnik GmbH Rheinallee 189 55120 Mainz Tel: +49 6131 6305 0 Fax: +49 6131 6305 40 Email: [EMAIL PROTECTED] Sitz der Gesellschaft: Mainz Registergericht: Amtsgericht Mainz, 14HRB3411 Geschäftsführer: Peter Otto ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
