diff --git a/drivers/usb/host/ehci-lpm.c b/drivers/usb/host/ehci-lpm.c
index b4d4d63c13ed84616d11bc6dcde488b9626b53f8..2111627a19deefa935d4e724efe86965893dc168 100644
--- a/drivers/usb/host/ehci-lpm.c
+++ b/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;