MDIO_REG_ADDR_MASK is already applied in function
atl1c_write_phy_reg and atl1c_read_phy_reg
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>
        struct atl1c_adapter *adapter = netdev_priv(netdev);
        u16 result;
 
-       atl1c_read_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, &result);
+       atl1c_read_phy_reg(&adapter->hw, reg_num, &result);
        return result;
 }
 
 {
        struct atl1c_adapter *adapter = netdev_priv(netdev);
 
-       atl1c_write_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, val);
+       atl1c_write_phy_reg(&adapter->hw, reg_num, val);
 }
 
 /*