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Commit 6bb4fe12 authored by Felipe Balbi's avatar Felipe Balbi
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usb: dwc3: gadget: use update transfer command 



If we get a Xfer Not Ready event with reason
"Transfer Active" it means endpoint is still
transferring data and we can use that to issue
update transfer for this particular endpoint
in case we have pending requests in our queue.

Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 8a1a9c9e

drivers/usb/dwc3/gadget.c

+5 −4
Original line number Diff line number Diff line
@@ -2012,15 +2012,16 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, 
		if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) {

			dwc3_gadget_start_isoc(dwc, dep, event);

		} else {

			int active;

			int ret;



			active = event->status & DEPEVT_STATUS_TRANSFER_ACTIVE;



			dwc3_trace(trace_dwc3_gadget, "%s: reason %s",

					dep->name, event->status &

					DEPEVT_STATUS_TRANSFER_ACTIVE

					? "Transfer Active"

					dep->name, active ? "Transfer Active"

					: "Transfer Not Active");



			ret = __dwc3_gadget_kick_transfer(dep, 0, 1);

			ret = __dwc3_gadget_kick_transfer(dep, 0, !active);

			if (!ret || ret == -EBUSY)

				return;