diff --git a/drivers/usb/usbport/usb2.c b/drivers/usb/usbport/usb2.c
index 920d01a2199..c274e6959be 100644
--- a/drivers/usb/usbport/usb2.c
+++ b/drivers/usb/usbport/usb2.c
@@ -26,3 +26,27 @@ USBPORT_FreeBandwidthUSB2(IN PDEVICE_OBJECT FdoDevice,
 {
     DPRINT1("USBPORT_FreeBandwidthUSB2: UNIMPLEMENTED. FIXME. \n");
 }
+
+VOID
+NTAPI
+USB2_InitController(IN PUSB2_HC_EXTENSION HcExtension)
+{
+    ULONG ix;
+    ULONG jx;
+
+    DPRINT("USB2_InitController: HcExtension - %p\n", HcExtension);
+
+    HcExtension->MaxHsBusAllocation = USB2_MAX_MICROFRAME_ALLOCATION;
+
+    for (ix = 0; ix < USB2_FRAMES; ix++)
+    {
+        for (jx = 0; jx < USB2_MICROFRAMES; jx++)
+        {
+            HcExtension->TimeUsed[ix][jx] = 0;
+        }
+    }
+
+    HcExtension->HcDelayTime = USB2_CONTROLLER_DELAY;
+
+    USB2_InitTT(HcExtension, &HcExtension->HcTt);
+}
diff --git a/drivers/usb/usbport/usbport.h b/drivers/usb/usbport/usbport.h
index 5145c26e92e..93c71a9516a 100644
--- a/drivers/usb/usbport/usbport.h
+++ b/drivers/usb/usbport/usbport.h
@@ -1294,4 +1294,9 @@ USBPORT_FreeBandwidthUSB2(
   IN PDEVICE_OBJECT FdoDevice,
   IN PUSBPORT_ENDPOINT Endpoint);
 
+VOID
+NTAPI
+USB2_InitController(
+  IN PUSB2_HC_EXTENSION HcExtension);
+
 #endif /* USBPORT_H__ */