On Wed, 2 May 2007, Oliver Neukum wrote: > Am Mittwoch, 2. Mai 2007 16:15 schrieb Alan Stern: > > On Wed, 2 May 2007, Oliver Neukum wrote: > > > > > Hi, > > > > > > I was looking at the skeleton driver. It drops any reference to its > > > URBs in the write path. This means they cannot be killed in > > > suspend(). Is this an actual requirement. It seems to me that one > > > could let them error out when the system goes into actual > > > suspension. > > > I am unsure whether this is wise. > > > > The URBs should be killed. Allowing them to fail might or might not work, > > but it isn't a good idea. > > How about exporting usb_disable_interface() and usb_enable_interface()? > It doesn't solve the problem for endpoint 0, but this case is rare.
We could; it would save drivers the trouble of keeping track of their own URBs. Do you have a particular driver in mind for this? One change would be needed, though. Right now usb_enable_interface() resets all the saved endpoint toggle values; we wouldn't want to do that when resuming. Alan Stern ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
