1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 6aecede77ff6..b1abaeb62b4c 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -589,6 +589,7 @@ struct xhci_ep_ctx {
  */
 #define FORCE_EVENT     (0x1)
 #define ERROR_COUNT(p)  (((p) & 0x3) << 1)
+#define CTX_TO_EP_TYPE(p)       (((p) >> 3) & 0x7)
 #define EP_TYPE(p)      ((p) << 3)
 #define ISOC_OUT_EP     1
 #define BULK_OUT_EP     2
@@ -1231,6 +1232,9 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
 void xhci_queue_new_dequeue_state(struct xhci_hcd *xhci,
                 struct xhci_ring *ep_ring, unsigned int slot_id,
                 unsigned int ep_index, struct xhci_dequeue_state *deq_state);
+void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci,
+                struct usb_device *udev, struct usb_host_endpoint *ep,
+                unsigned int ep_index, struct xhci_ring *ep_ring);
 
 /* xHCI roothub code */
 int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex,