diff options
| author | Anurag Kumar Vulisha <anurag.kumar.vulisha@xilinx.com> | 2018-12-01 16:43:27 +0530 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2018-12-05 10:44:35 +0200 |
| commit | 26d62b4d10ad54622cd16b4871ee635f0ee287b6 (patch) | |
| tree | 7091909f71488af4539cab117dc5350531e923a5 | |
| parent | a7351807bd8b5db0306ccd6977f8c13722731dd5 (diff) | |
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: Anurag Kumar Vulisha <anurag.kumar.vulisha@xilinx.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index d54d434dc986..08dea6fdb4a8 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -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; |