Ah, so there's the problem. Doesn't make sense to me not to queue URBs in that case; both OHCI and EHCI should do it without a second thought. But if the UHCI drivers won't do it, they won't -- unless you provide a patch to enable that ... :)
- Dave ----- Original Message ----- From: <[EMAIL PROTECTED]> To: "David Brownell" <[EMAIL PROTECTED]> Sent: Friday, December 28, 2001 5:45 AM Subject: Re: [linux-usb-devel] CTRL URB Queue > > Control urbs should certainly be queueable ... I'd guess you're > > using a UHCI controller, not OHCI? Those drivers (you did > > try both, yes?) have had problems handling unlinks. > > Yes, UHCI. The code for UHCI specifically does not allow queuing of CTRL > URBs. If there is a CTRL URB pending - it disallows new URB submissions. > > I didn't try OHCI - my target machine for now is a laptop with an > embedded UHCI controller. > > -Chris _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
