diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c
index d82935d31126..8a9869ef0db6 100644
--- a/drivers/usb/host/xhci-dbgcap.c
+++ b/drivers/usb/host/xhci-dbgcap.c
@@ -634,7 +634,8 @@ static int xhci_dbc_start(struct xhci_dbc *dbc)
 		return ret;
 	}
 
-	return mod_delayed_work(system_wq, &dbc->event_work, 1);
+	return mod_delayed_work(system_wq, &dbc->event_work,
+				msecs_to_jiffies(dbc->poll_interval));
 }
 
 static void xhci_dbc_stop(struct xhci_dbc *dbc)
@@ -899,8 +900,10 @@ static void xhci_dbc_handle_events(struct work_struct *work)
 	enum evtreturn		evtr;
 	struct xhci_dbc		*dbc;
 	unsigned long		flags;
+	unsigned int		poll_interval;
 
 	dbc = container_of(to_delayed_work(work), struct xhci_dbc, event_work);
+	poll_interval = dbc->poll_interval;
 
 	spin_lock_irqsave(&dbc->lock, flags);
 	evtr = xhci_dbc_do_handle_events(dbc);
@@ -916,13 +919,18 @@ static void xhci_dbc_handle_events(struct work_struct *work)
 			dbc->driver->disconnect(dbc);
 		break;
 	case EVT_DONE:
+		/* set fast poll rate if there are pending data transfers */
+		if (!list_empty(&dbc->eps[BULK_OUT].list_pending) ||
+		    !list_empty(&dbc->eps[BULK_IN].list_pending))
+			poll_interval = 1;
 		break;
 	default:
 		dev_info(dbc->dev, "stop handling dbc events\n");
 		return;
 	}
 
-	mod_delayed_work(system_wq, &dbc->event_work, 1);
+	mod_delayed_work(system_wq, &dbc->event_work,
+			 msecs_to_jiffies(poll_interval));
 }
 
 static const char * const dbc_state_strings[DS_MAX] = {
@@ -1175,6 +1183,7 @@ xhci_alloc_dbc(struct device *dev, void __iomem *base, const struct dbc_driver *
 	dbc->idVendor = DBC_VENDOR_ID;
 	dbc->bcdDevice = DBC_DEVICE_REV;
 	dbc->bInterfaceProtocol = DBC_PROTOCOL;
+	dbc->poll_interval = DBC_POLL_INTERVAL_DEFAULT;
 
 	if (readl(&dbc->regs->control) & DBC_CTRL_DBC_ENABLE)
 		goto err;
diff --git a/drivers/usb/host/xhci-dbgcap.h b/drivers/usb/host/xhci-dbgcap.h
index e39e3ae1677a..92661b555c2a 100644
--- a/drivers/usb/host/xhci-dbgcap.h
+++ b/drivers/usb/host/xhci-dbgcap.h
@@ -94,6 +94,7 @@ struct dbc_ep {
 
 #define DBC_QUEUE_SIZE			16
 #define DBC_WRITE_BUF_SIZE		8192
+#define DBC_POLL_INTERVAL_DEFAULT	64	/* milliseconds */
 
 /*
  * Private structure for DbC hardware state:
@@ -140,6 +141,7 @@ struct xhci_dbc {
 
 	enum dbc_state			state;
 	struct delayed_work		event_work;
+	unsigned int			poll_interval;	/* ms */
 	unsigned			resume_required:1;
 	struct dbc_ep			eps[2];