1 files changed, 26 insertions, 19 deletions

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 3bb6f847a865..5f98b424f20b 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2654,34 +2654,22 @@ static void dwc3_gadget_endpoint_frame_from_event(struct dwc3_ep *dep,
 	dep->frame_number = event->parameters;
 }
 
-static void dwc3_gadget_endpoint_transfer_in_progress(struct dwc3_ep *dep,
-		const struct dwc3_event_depevt *event)
+static bool dwc3_gadget_endpoint_trbs_complete(struct dwc3_ep *dep,
+		const struct dwc3_event_depevt *event, int status)
 {
 	struct dwc3		*dwc = dep->dwc;
-	unsigned		status = 0;
-	bool			stop = false;
-
-	dwc3_gadget_endpoint_frame_from_event(dep, event);
-
-	if (event->status & DEPEVT_STATUS_BUSERR)
-		status = -ECONNRESET;
-
-	if (event->status & DEPEVT_STATUS_MISSED_ISOC) {
-		status = -EXDEV;
-
-		if (list_empty(&dep->started_list))
-			stop = true;
-	}
+	bool			no_started_trb = true;
 
 	dwc3_gadget_ep_cleanup_completed_requests(dep, event, status);
 
 	if (dep->flags & DWC3_EP_END_TRANSFER_PENDING)
 		goto out;
 
-	if (stop)
+	if (status == -EXDEV && list_empty(&dep->started_list))
 		dwc3_stop_active_transfer(dep, true, true);
 	else if (dwc3_gadget_ep_should_continue(dep))
-		__dwc3_gadget_kick_transfer(dep);
+		if (__dwc3_gadget_kick_transfer(dep) == 0)
+			no_started_trb = false;
 
 out:
 	/*
@@ -2699,7 +2687,7 @@ out:
 				continue;
 
 			if (!list_empty(&dep->started_list))
-				return;
+				return no_started_trb;
 		}
 
 		reg = dwc3_readl(dwc->regs, DWC3_DCTL);
@@ -2708,6 +2696,25 @@ out:
 
 		dwc->u1u2 = 0;
 	}
+
+	return no_started_trb;
+}
+
+static void dwc3_gadget_endpoint_transfer_in_progress(struct dwc3_ep *dep,
+		const struct dwc3_event_depevt *event)
+{
+	int status = 0;
+
+	if (usb_endpoint_xfer_isoc(dep->endpoint.desc))
+		dwc3_gadget_endpoint_frame_from_event(dep, event);
+
+	if (event->status & DEPEVT_STATUS_BUSERR)
+		status = -ECONNRESET;
+
+	if (event->status & DEPEVT_STATUS_MISSED_ISOC)
+		status = -EXDEV;
+
+	dwc3_gadget_endpoint_trbs_complete(dep, event, status);
 }
 
 static void dwc3_gadget_endpoint_transfer_not_ready(struct dwc3_ep *dep,