atl1c: remove PHY polling from atl1c_open

PHY polling code for FPGA is considered in every MDIO R/W API.
no need to add additional code to atl1c_open.

Signed-off-by: xiong <xiong@qca.qualcomm.com>
Tested-by: Liu David <dwliu@qca.qualcomm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/atheros/atl1c/atl1c_main.c

@@ -2273,13 +2273,6 @@ static int atl1c_open(struct net_device *netdev)
 	if (unlikely(err))
 		goto err_up;
 
-	if (adapter->hw.ctrl_flags & ATL1C_FPGA_VERSION) {
-		u32 phy_data;
-
-		AT_READ_REG(&adapter->hw, REG_MDIO_CTRL, &phy_data);
-		phy_data |= MDIO_CTRL_AP_EN;
-		AT_WRITE_REG(&adapter->hw, REG_MDIO_CTRL, phy_data);
-	}
 	return 0;
 
 err_up: