On Mon, Dec 16, 2013 at 03:20:28PM -0000, David Laight wrote: > > I know all these difference clearly, inc_deq() is indeed a common > > function for different rings, but lasr_trb() & last_trb_on_last_seg() > > inside it use different condition to determine the last trb in an > > event ring and an non-event ring; and sorry, i still not find why last > > trb in an event ring skipped by H/W according to the current logic. > > > > Thanks! > > > > Read the specs and the code. State your objections clearly. Based on my analysis, this patch will produce correct behavior with the event ring: http://marc.info/?l=linux-usb&m=138697807827548&w=2 Am I missing something? Sarah Sharp -- 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
