On Monday 24 June 2013 17:42:04 Ming Lei wrote: > This patch improves this above situation, and the qh will wait for 5 > milliseconds before being unlinked from hardware, if one URB is submitted > during the period, the qh is move out of unlink wait list and the > interrupt transfer can be scheduled immediately, not like before: the > transfer is only linked to hardware until previous unlink is completed. It seems to me that this logic should be used only if the URB completed without error. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html