On Thu, 8 Jun 2017, Benjamin Herrenschmidt wrote: > Another question ... > > Do i need to support dequeue() on EP0 ?
Yes. I don't know if any drivers ever dequeue requests from ep0, but it should be supported. There is one other special requirement for ep0. When a new setup packet arrives, any previously queued requests should be cancelled automatically. 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