diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index 6ede464cc932b7a789f38fc1c3b16f208cfab855..3e232c7cbc171362b5e2fa15b367f4cfc818530d 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -256,7 +256,7 @@ static int miiphy_wait_aneg(struct eth_device *dev)
 
 static int fec_rx_task_enable(struct fec_priv *fec)
 {
-	writel(1 << 24, &fec->eth->r_des_active);
+	writel(FEC_R_DES_ACTIVE_RDAR, &fec->eth->r_des_active);
 	return 0;
 }
 
@@ -267,7 +267,7 @@ static int fec_rx_task_disable(struct fec_priv *fec)
 
 static int fec_tx_task_enable(struct fec_priv *fec)
 {
-	writel(1 << 24, &fec->eth->x_des_active);
+	writel(FEC_X_DES_ACTIVE_TDAR, &fec->eth->x_des_active);
 	return 0;
 }
 
@@ -769,7 +769,7 @@ static int fec_send(struct eth_device *dev, void *packet, int length)
 	 * barrier here.
 	 */
 	while (--timeout) {
-		if (!(readl(&fec->eth->x_des_active) & (1 << 24)))
+		if (!(readl(&fec->eth->x_des_active) & FEC_X_DES_ACTIVE_TDAR))
 			break;
 	}
 
diff --git a/drivers/net/fec_mxc.h b/drivers/net/fec_mxc.h
index 852b2e07e715a830c6348d4cf49f0757212edf36..203285af9a10e1dfe8718f258c7b6b8db0d0575e 100644
--- a/drivers/net/fec_mxc.h
+++ b/drivers/net/fec_mxc.h
@@ -213,6 +213,9 @@ struct ethernet_regs {
 
 #define FEC_X_WMRK_STRFWD		0x00000100
 
+#define FEC_X_DES_ACTIVE_TDAR		0x01000000
+#define FEC_R_DES_ACTIVE_RDAR		0x01000000
+
 #if defined(CONFIG_MX25) || defined(CONFIG_MX53)
 /* defines for MIIGSK */
 /* RMII frequency control: 0=50MHz, 1=5MHz */