diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index af8b8fc39eb2c0d7702e760820759a1f6bac103c..2757c7d6e6330460c179d025a1ddc2267d32b27d 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -53,7 +53,7 @@ struct davinci_mdio_regs {
 	u32	control;
 #define CONTROL_IDLE		BIT(31)
 #define CONTROL_ENABLE		BIT(30)
-#define CONTROL_MAX_DIV		(0xff)
+#define CONTROL_MAX_DIV		(0xffff)
 
 	u32	alive;
 	u32	link;