On Wed, 18 Dec 2013, Sarah Sharp wrote: > I think there's a couple of ways we could fix this. > > One would be to set the IOC flag on the last no-op TRBs in a TD we're > trying to cancel. I think that will make the event handling code > increment the dequeue pointer and update the number of free TRBs on the > ring (or the code could be changed to do so). That would take care of > the num_trbs_free counting issue for URB cancellation that isn't part of > device suspend.
Why not just keep the existing IOC flag setting when you convert a TRB into a no-op? Then the number of events generated by the hardware will be the same as it would have been. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
