On Wed, 28 Jun 2006, Franck Bui-Huu wrote: > Alan Stern wrote: > > > > However, it's important that the URB be completely finished before the > > routine returns. Remember that the completion handler _will_ be called > > eventually, no matter what. And urb->status isn't valid until the URB has > > completed. > > > > It seems that a call to usb_unlink_urb() doesn't always mean that the URB > has completed. Is it due to the HCD that can't always complete the URB when > calling its urb_dequeue() method ?
Yes. > > So if the initial wait_for_completion_timeout() times out, you need to do > > a second wait_for_completion(). > > > > Or maybe we can call usb_kill_urb() instead of usb_unlink_urb() ? Either way would work. Alan Stern Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
