diff --git a/drivers/usb/cdns3/cdns3-gadget.c b/drivers/usb/cdns3/cdns3-gadget.c
index a8b7b50abf64..5281f8d3fb3d 100644
--- a/drivers/usb/cdns3/cdns3-gadget.c
+++ b/drivers/usb/cdns3/cdns3-gadget.c
@@ -2007,7 +2007,7 @@ static void cdns3_configure_dmult(struct cdns3_device *priv_dev,
 		else
 			mask = BIT(priv_ep->num);
 
-		if (priv_ep->type != USB_ENDPOINT_XFER_ISOC) {
+		if (priv_ep->type != USB_ENDPOINT_XFER_ISOC  && !priv_ep->dir) {
 			cdns3_set_register_bit(&regs->tdl_from_trb, mask);
 			cdns3_set_register_bit(&regs->tdl_beh, mask);
 			cdns3_set_register_bit(&regs->tdl_beh2, mask);
@@ -2046,15 +2046,13 @@ int cdns3_ep_config(struct cdns3_endpoint *priv_ep, bool enable)
 	case USB_ENDPOINT_XFER_INT:
 		ep_cfg = EP_CFG_EPTYPE(USB_ENDPOINT_XFER_INT);
 
-		if ((priv_dev->dev_ver == DEV_VER_V2 && !priv_ep->dir) ||
-		    priv_dev->dev_ver > DEV_VER_V2)
+		if (priv_dev->dev_ver >= DEV_VER_V2 && !priv_ep->dir)
 			ep_cfg |= EP_CFG_TDL_CHK;
 		break;
 	case USB_ENDPOINT_XFER_BULK:
 		ep_cfg = EP_CFG_EPTYPE(USB_ENDPOINT_XFER_BULK);
 
-		if ((priv_dev->dev_ver == DEV_VER_V2  && !priv_ep->dir) ||
-		    priv_dev->dev_ver > DEV_VER_V2)
+		if (priv_dev->dev_ver >= DEV_VER_V2 && !priv_ep->dir)
 			ep_cfg |= EP_CFG_TDL_CHK;
 		break;
 	default:
diff --git a/drivers/usb/cdns3/cdnsp-ring.c b/drivers/usb/cdns3/cdnsp-ring.c
index 5f0513c96c04..68972746e363 100644
--- a/drivers/usb/cdns3/cdnsp-ring.c
+++ b/drivers/usb/cdns3/cdnsp-ring.c
@@ -1517,13 +1517,14 @@ irqreturn_t cdnsp_thread_irq_handler(int irq, void *data)
 {
 	struct cdnsp_device *pdev = (struct cdnsp_device *)data;
 	union cdnsp_trb *event_ring_deq;
+	unsigned long flags;
 	int counter = 0;
 
-	spin_lock(&pdev->lock);
+	spin_lock_irqsave(&pdev->lock, flags);
 
 	if (pdev->cdnsp_state & (CDNSP_STATE_HALTED | CDNSP_STATE_DYING)) {
 		cdnsp_died(pdev);
-		spin_unlock(&pdev->lock);
+		spin_unlock_irqrestore(&pdev->lock, flags);
 		return IRQ_HANDLED;
 	}
 
@@ -1539,7 +1540,7 @@ irqreturn_t cdnsp_thread_irq_handler(int irq, void *data)
 
 	cdnsp_update_erst_dequeue(pdev, event_ring_deq, 1);
 
-	spin_unlock(&pdev->lock);
+	spin_unlock_irqrestore(&pdev->lock, flags);
 
 	return IRQ_HANDLED;
 }