diff --git a/[refs] b/[refs]
index d00cfed600ef..e39f72200f4c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6b2e30c07f6c1514bb9946171770af61c305b86c
+refs/heads/master: 4f9e6c64d1fc4668f3153f456b41cf40b30c730f
diff --git a/trunk/drivers/usb/host/ehci-lpm.c b/trunk/drivers/usb/host/ehci-lpm.c
index b4d4d63c13ed..2111627a19de 100644
--- a/trunk/drivers/usb/host/ehci-lpm.c
+++ b/trunk/drivers/usb/host/ehci-lpm.c
@@ -17,7 +17,8 @@
 */
 
 /* this file is part of ehci-hcd.c */
-static int ehci_lpm_set_da(struct ehci_hcd *ehci, int dev_addr, int port_num)
+static int __maybe_unused ehci_lpm_set_da(struct ehci_hcd *ehci,
+	int dev_addr, int port_num)
 {
 	u32 __iomem portsc;
 
@@ -37,7 +38,7 @@ static int ehci_lpm_set_da(struct ehci_hcd *ehci, int dev_addr, int port_num)
  * this function is used to check if the device support LPM
  * if yes, mark the PORTSC register with PORT_LPM bit
  */
-static int ehci_lpm_check(struct ehci_hcd *ehci, int port)
+static int __maybe_unused ehci_lpm_check(struct ehci_hcd *ehci, int port)
 {
 	u32 __iomem	*portsc ;
 	u32 val32;