Messages in this thread Patch in this message | | | From | Anurag Kumar Vulisha <> | Subject | [PATCH 5/8] usb: dwc3: don't issue no-op trb for stream capable endpoints | Date | Wed, 25 Jul 2018 17:21:28 +0530 |
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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> --- drivers/usb/dwc3/gadget.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index e2ccb55..af8d470 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -668,7 +668,7 @@ 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; -- 2.1.1
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