1 files changed, 24 insertions, 21 deletions

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index b5e5b35df49c..69948ad39837 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1220,9 +1220,6 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value)
 		else
 			dep->flags |= DWC3_EP_STALL;
 	} else {
-		if (dep->flags & DWC3_EP_WEDGE)
-			return 0;
-
 		ret = dwc3_send_gadget_ep_cmd(dwc, dep->number,
 			DWC3_DEPCMD_CLEARSTALL, &params);
 		if (ret)
@@ -1230,7 +1227,7 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value)
 					value ? "set" : "clear",
 					dep->name);
 		else
-			dep->flags &= ~DWC3_EP_STALL;
+			dep->flags &= ~(DWC3_EP_STALL | DWC3_EP_WEDGE);
 	}
 
 	return ret;
@@ -1508,6 +1505,15 @@ static int dwc3_gadget_start(struct usb_gadget *g,
 	int			irq;
 	u32			reg;
 
+	irq = platform_get_irq(to_platform_device(dwc->dev), 0);
+	ret = request_threaded_irq(irq, dwc3_interrupt, dwc3_thread_interrupt,
+			IRQF_SHARED | IRQF_ONESHOT, "dwc3", dwc);
+	if (ret) {
+		dev_err(dwc->dev, "failed to request irq #%d --> %d\n",
+				irq, ret);
+		goto err0;
+	}
+
 	spin_lock_irqsave(&dwc->lock, flags);
 
 	if (dwc->gadget_driver) {
@@ -1515,7 +1521,7 @@ static int dwc3_gadget_start(struct usb_gadget *g,
 				dwc->gadget.name,
 				dwc->gadget_driver->driver.name);
 		ret = -EBUSY;
-		goto err0;
+		goto err1;
 	}
 
 	dwc->gadget_driver	= driver;
@@ -1551,41 +1557,38 @@ static int dwc3_gadget_start(struct usb_gadget *g,
 	ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL, false);
 	if (ret) {
 		dev_err(dwc->dev, "failed to enable %s\n", dep->name);
-		goto err0;
+		goto err2;
 	}
 
 	dep = dwc->eps[1];
 	ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL, false);
 	if (ret) {
 		dev_err(dwc->dev, "failed to enable %s\n", dep->name);
-		goto err1;
+		goto err3;
 	}
 
 	/* begin to receive SETUP packets */
 	dwc->ep0state = EP0_SETUP_PHASE;
 	dwc3_ep0_out_start(dwc);
 
-	irq = platform_get_irq(to_platform_device(dwc->dev), 0);
-	ret = request_threaded_irq(irq, dwc3_interrupt, dwc3_thread_interrupt,
-			IRQF_SHARED | IRQF_ONESHOT, "dwc3", dwc);
-	if (ret) {
-		dev_err(dwc->dev, "failed to request irq #%d --> %d\n",
-				irq, ret);
-		goto err1;
-	}
-
 	dwc3_gadget_enable_irq(dwc);
 
 	spin_unlock_irqrestore(&dwc->lock, flags);
 
 	return 0;
 
-err1:
+err3:
 	__dwc3_gadget_ep_disable(dwc->eps[0]);
 
-err0:
+err2:
+	dwc->gadget_driver = NULL;
+
+err1:
 	spin_unlock_irqrestore(&dwc->lock, flags);
 
+	free_irq(irq, dwc);
+
+err0:
 	return ret;
 }
 
@@ -1599,9 +1602,6 @@ static int dwc3_gadget_stop(struct usb_gadget *g,
 	spin_lock_irqsave(&dwc->lock, flags);
 
 	dwc3_gadget_disable_irq(dwc);
-	irq = platform_get_irq(to_platform_device(dwc->dev), 0);
-	free_irq(irq, dwc);
-
 	__dwc3_gadget_ep_disable(dwc->eps[0]);
 	__dwc3_gadget_ep_disable(dwc->eps[1]);
 
@@ -1609,6 +1609,9 @@ static int dwc3_gadget_stop(struct usb_gadget *g,
 
 	spin_unlock_irqrestore(&dwc->lock, flags);
 
+	irq = platform_get_irq(to_platform_device(dwc->dev), 0);
+	free_irq(irq, dwc);
+
 	return 0;
 }