On Thu, 2017-06-08 at 11:30 -0400, Alan Stern wrote: > 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. Yup. It also doesn't stay stalled and only supports a single request in the queue, in that regard I have just "copied" other drivers ;-) Cheers, Ben. -- 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
