diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 2fe9723ff1df..6de734f494bd 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -126,7 +126,7 @@ struct dwc3_omap {
 	u32			dma_status:1;
 };
 
-struct dwc3_omap		*_omap;
+static struct dwc3_omap		*_omap;
 
 static inline u32 dwc3_omap_readl(void __iomem *base, u32 offset)
 {