---

yaml
---
r: 322720
b: refs/heads/master
c: f4a53c5
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 77975eec149506e457e6abe2ce43259895a9a16e
+refs/heads/master: f4a53c55117b82e895ec98b1765c9d66940377fc

trunk/drivers/usb/dwc3/gadget.c

@@ -1029,6 +1029,7 @@ static void __dwc3_gadget_start_isoc(struct dwc3 *dwc,
 	if (list_empty(&dep->request_list)) {
 		dev_vdbg(dwc->dev, "ISOC ep %s run out for requests.\n",
 			dep->name);
+		dep->flags |= DWC3_EP_PENDING_REQUEST;
 		return;
 	}
 
@@ -1092,6 +1093,17 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
 	if (dep->flags & DWC3_EP_PENDING_REQUEST) {
 		int	ret;
 
+		/*
+		 * If xfernotready is already elapsed and it is a case
+		 * of isoc transfer, then issue END TRANSFER, so that
+		 * you can receive xfernotready again and can have
+		 * notion of current microframe.
+		 */
+		if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) {
+			dwc3_stop_active_transfer(dwc, dep->number);
+			return 0;
+		}
+
 		ret = __dwc3_gadget_kick_transfer(dep, 0, true);
 		if (ret && ret != -EBUSY) {
 			struct dwc3	*dwc = dep->dwc;