diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index 95d75c00404b..ae8c39617743 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -35,6 +35,7 @@ struct bfin_glue {
  */
 void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *src)
 {
+	struct musb *musb = hw_ep->musb;
 	void __iomem *fifo = hw_ep->fifo;
 	void __iomem *epio = hw_ep->regs;
 	u8 epnum = hw_ep->epnum;
@@ -98,6 +99,7 @@ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *src)
  */
 void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *dst)
 {
+	struct musb *musb = hw_ep->musb;
 	void __iomem *fifo = hw_ep->fifo;
 	u8 epnum = hw_ep->epnum;
 
diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c
index 2f683a67ebb4..b410357cf016 100644
--- a/drivers/usb/musb/tusb6010.c
+++ b/drivers/usb/musb/tusb6010.c
@@ -172,6 +172,7 @@ static inline void tusb_fifo_read_unaligned(void __iomem *fifo,
 
 void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *buf)
 {
+	struct musb *musb = hw_ep->musb;
 	void __iomem	*ep_conf = hw_ep->conf;
 	void __iomem	*fifo = hw_ep->fifo;
 	u8		epnum = hw_ep->epnum;
@@ -221,6 +222,7 @@ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *buf)
 
 void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *buf)
 {
+	struct musb *musb = hw_ep->musb;
 	void __iomem	*ep_conf = hw_ep->conf;
 	void __iomem	*fifo = hw_ep->fifo;
 	u8		epnum = hw_ep->epnum;