ixgbe_read_phy_reg_x550a
hw->phy.ops.read_reg = ixgbe_read_phy_reg_x550a;
hw->phy.ops.read_reg = ixgbe_read_phy_reg_x550a;
ret_val = ixgbe_read_phy_reg_x550a(hw, MII_BMCR, 0, &phydata);
s32 ixgbe_read_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,