net: fec: fec_restart(): introduce a define for FEC_ECR_SPEED

Replace "1 << 5" for configuring 1000 MBit/s with a defined constant to
improve code readability and maintainability.

Reviewed-by: Wei Fang <[email protected]>
Reviewed-by: Frank Li <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Signed-off-by: Marc Kleine-Budde <[email protected]>
Signed-off-by: NipaLocal <nipa@local>

Author: marckleinebudde

drivers/net/ethernet/freescale/fec_main.c

@@ -275,6 +275,7 @@ MODULE_PARM_DESC(macaddr, "FEC Ethernet MAC address");
 #define FEC_ECR_MAGICEN         BIT(2)
 #define FEC_ECR_SLEEP           BIT(3)
 #define FEC_ECR_EN1588          BIT(4)
+#define FEC_ECR_SPEED           BIT(5)
 #define FEC_ECR_BYTESWP         BIT(8)
 /* FEC RCR bits definition */
 #define FEC_RCR_LOOP            BIT(0)
@@ -1206,7 +1207,7 @@ fec_restart(struct net_device *ndev)
 		/* 1G, 100M or 10M */
 		if (ndev->phydev) {
 			if (ndev->phydev->speed == SPEED_1000)
-				ecntl |= (1 << 5);
+				ecntl |= FEC_ECR_SPEED;
 			else if (ndev->phydev->speed == SPEED_100)
 				rcntl &= ~FEC_RCR_10BASET;
 			else