static s32 ixgbe_read_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
				    u32 device_type, u16 *phy_data)
static int ixgbe_read_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
				    u32 device_type, u16 *phy_data)