diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 74d18c8..d120a08 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -197,7 +197,7 @@
 	return false;
 }
 
-int usb_amd_resume_quirk(struct usb_device *udev)
+static int usb_amd_resume_quirk(struct usb_device *udev)
 {
 	struct usb_hcd *hcd;