net: phy: at803x: replace AT803X_DEVICE_ADDR with MDIO_MMD_PCS

Replace AT803X_DEVICE_ADDR with MDIO_MMD_PCS defined in mdio.h.
Signed-off-by: Luo Jie <luoj@codeaurora.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/phy/at803x.c

@@ -70,7 +70,6 @@
 #define AT803X_CDT_STATUS_DELTA_TIME_MASK	GENMASK(7, 0)
 #define AT803X_LED_CONTROL			0x18
 
-#define AT803X_DEVICE_ADDR			0x03
 #define AT803X_LOC_MAC_ADDR_0_15_OFFSET		0x804C
 #define AT803X_LOC_MAC_ADDR_16_31_OFFSET	0x804B
 #define AT803X_LOC_MAC_ADDR_32_47_OFFSET	0x804A
@@ -338,7 +337,8 @@ static int at803x_set_wol(struct phy_device *phydev,
 	const u8 *mac;
 	int ret;
 	u32 value;
-	unsigned int i, offsets[] = {
+	unsigned int i;
+	const unsigned int offsets[] = {
 		AT803X_LOC_MAC_ADDR_32_47_OFFSET,
 		AT803X_LOC_MAC_ADDR_16_31_OFFSET,
 		AT803X_LOC_MAC_ADDR_0_15_OFFSET,
@@ -354,7 +354,7 @@ static int at803x_set_wol(struct phy_device *phydev,
 			return -EINVAL;
 
 		for (i = 0; i < 3; i++)
-			phy_write_mmd(phydev, AT803X_DEVICE_ADDR, offsets[i],
+			phy_write_mmd(phydev, MDIO_MMD_PCS, offsets[i],
 				      mac[(i * 2) + 1] | (mac[(i * 2)] << 8));
 
 		value = phy_read(phydev, AT803X_INTR_ENABLE);