diff mbox series

[V6,06/10] usb: dwc3: don't issue no-op trb for stream capable endpoints

Message ID 1539436498-24892-7-git-send-email-anurag.kumar.vulisha@xilinx.com (mailing list archive)
State Superseded
Headers show
Series usb: dwc3: Fix broken BULK stream support to dwc3 gadget driver | expand

Commit Message

Anurag Kumar Vulisha Oct. 13, 2018, 1:14 p.m. UTC 
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: Anurag Kumar Vulisha <anurag.kumar.vulisha@xilinx.com>
---
 Chnages in v6:
	1. Replaced dep->stream_capable with dep->endpoint.stream_capable

 Changes in v5:
	1. None

 Changes in v4:
	1. None

 Changes in v3:
	1. None

 Changes in v2:
	1. None
---
 drivers/usb/dwc3/gadget.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index b58cd69..89df030 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -666,7 +666,7 @@  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->endpoint.stream_capable) ||
 			usb_endpoint_xfer_int(desc)) {
 		struct dwc3_gadget_ep_cmd_params params;
 		struct dwc3_trb	*trb;