diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index f425356e..3f0763d 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -51,7 +51,7 @@
  * handshake done).  There are two failure modes:  "usec" have passed (major
  * hardware flakeout), or the register reads as all-ones (hardware removed).
  */
-static int handshake(struct xhci_hcd *xhci, void __iomem *ptr,
+int handshake(struct xhci_hcd *xhci, void __iomem *ptr,
 		      u32 mask, u32 done, int usec)
 {
 	u32	result;