| Message ID | 1548064976-30196-1-git-send-email-prime.zeng@hisilicon.com |
|---|---|
| State | New |
| Headers | show |
| Series | usb: dwc3: gadget: issue a stop command for ISOC endpoint | expand |
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index e18c2a2..58e71ba 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2500,6 +2500,10 @@ static void dwc3_gadget_endpoint_transfer_in_progress(struct dwc3_ep *dep, stop = true; } + if (list_empty(&dep->started_list) && + (usb_endpoint_xfer_isoc(dep->endpoint.desc))) + stop = true; + dwc3_gadget_ep_cleanup_completed_requests(dep, event, status); if (stop) {
For ISOC transfers, if there is no available data for a period, we need to stop the transfer by issue a stop command, otherwise, all the upcoming transfers will started by update transfer command, and will be dropped with MISS ISOC errors. Signed-off-by: Zeng Tao <prime.zeng@hisilicon.com> --- drivers/usb/dwc3/gadget.c | 4 ++++ 1 file changed, 4 insertions(+) -- 2.7.4