diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 3fd4e843139e6e0e8007a91fc9963233ff0a6d55..fd6917b8d0d73ec302e10b17cdaffa067da5adfc 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -350,7 +350,7 @@ static int __devinit dwc3_core_init(struct dwc3 *dwc)
 	dwc3_cache_hwparams(dwc);
 
 	reg = dwc3_readl(dwc->regs, DWC3_GCTL);
-	reg &= ~DWC3_GCTL_SCALEDOWN(3);
+	reg &= ~DWC3_GCTL_SCALEDOWN_MASK;
 	reg &= ~DWC3_GCTL_DISSCRAMBLE;
 
 	switch (DWC3_GHWPARAMS1_EN_PWROPT(dwc->hwparams.hwparams1)) {
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 81d1c0aeb6c5b58c190d6bcb2fc877b1760db9a1..f124643353bb6f95ff620c5e75ab656680d50d3b 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -161,6 +161,7 @@
 
 #define DWC3_GCTL_CORESOFTRESET	(1 << 11)
 #define DWC3_GCTL_SCALEDOWN(n)	((n) << 4)
+#define DWC3_GCTL_SCALEDOWN_MASK DWC3_GCTL_SCALEDOWN(3)
 #define DWC3_GCTL_DISSCRAMBLE	(1 << 3)
 #define DWC3_GCTL_DSBLCLKGTNG	(1 << 0)