Commit 26d62b4d authored by Anurag Kumar Vulisha's avatar Anurag Kumar Vulisha Committed by Felipe Balbi
Browse files

usb: dwc3: don't issue no-op trb for stream capable endpoints 



The stream capable endpoints require stream id to be given
when issuing START TRANSFER. While issuing no-op trb the
stream id is not yet known, so don't issue no-op trb's on
stream capable endpoints.

Signed-off-by: default avatarAnurag Kumar Vulisha <anurag.kumar.vulisha@xilinx.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent a7351807

drivers/usb/dwc3/gadget.c

+1 −1
Original line number Diff line number Diff line
@@ -670,7 +670,7 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, unsigned int action) 
	 * Issue StartTransfer here with no-op TRB so we can always rely on No

	 * Response Update Transfer command.

	 */

	if (usb_endpoint_xfer_bulk(desc) ||

	if ((usb_endpoint_xfer_bulk(desc) && !dep->stream_capable) ||

			usb_endpoint_xfer_int(desc)) {

		struct dwc3_gadget_ep_cmd_params params;

		struct dwc3_trb	*trb;