usb: dwc3: gadget: pre-start Stream transfers when they're queued (b997ada5) · Commits · 戴 / test

drivers/usb/dwc3/gadget.c

+17 −0

Original line number	Diff line number	Diff line
		@@ -1129,6 +1129,23 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep dep, struct dwc3_request req)
		return ret;
		}

		/*
		* 4. Stream Capable Bulk Endpoints. We need to start the transfer
		* right away, otherwise host will not know we have streams to be
		* handled.
		*/
		if (dep->stream_capable) {
		int ret;

		ret = __dwc3_gadget_kick_transfer(dep, 0, true);
		if (ret && ret != -EBUSY) {
		struct dwc3 *dwc = dep->dwc;

		dev_dbg(dwc->dev, "%s: failed to kick transfers\n",
		dep->name);
		}
		}

		return 0;
		}