usb: core: usb_amd_resume_quirk() can be static

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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;