atl1c: remove PHY polling from atl1c_change_mtu

PHY polling code for FPGA is considered in every MDIO R/W API.
no need to add additional code to atl1c_change_mtu.

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

diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
index 05ce8ec..9cc1570 100644 (file)
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
@@ -553,14 +553,6 @@ static int atl1c_change_mtu(struct net_device *netdev, int new_mtu)
                netdev_update_features(netdev);
                atl1c_up(adapter);
                clear_bit(__AT_RESETTING, &adapter->flags);
-               if (adapter->hw.ctrl_flags & ATL1C_FPGA_VERSION) {
-                       u32 phy_data;
-
-                       AT_READ_REG(&adapter->hw, 0x1414, &phy_data);
-                       phy_data |= 0x10000000;
-                       AT_WRITE_REG(&adapter->hw, 0x1414, phy_data);
-               }
-
        }
        return 0;
 }