IGP01E1000_GMII_FIFO
ret_val = phy->ops.write_reg(hw, IGP01E1000_GMII_FIFO, data);
ret_val = hw->phy.ops.read_reg(hw, IGP01E1000_GMII_FIFO,
ret_val = hw->phy.ops.write_reg(hw, IGP01E1000_GMII_FIFO,
ret_val = hw->phy.ops.write_reg(hw, IGP01E1000_GMII_FIFO,
ret_val = hw->phy.ops.read_reg(hw, IGP01E1000_GMII_FIFO,
ret_val = phy->ops.read_reg(hw, IGP01E1000_GMII_FIFO, &data);
ret_val = phy->ops.write_reg(hw, IGP01E1000_GMII_FIFO, data);