.get_media_type         = ixgbe_get_media_type_X550em,
        .get_san_mac_addr       = NULL,
        .get_wwn_prefix         = NULL,
-       .setup_link             = &ixgbe_setup_mac_link_X540,
+       .setup_link             = NULL, /* defined later */
        .get_link_capabilities  = ixgbe_get_link_capabilities_X550em,
        .get_bus_info           = ixgbe_get_bus_info_X550em,
        .setup_sfp              = ixgbe_setup_sfp_modules_X550em,
        .acquire_swfw_sync      = ixgbe_acquire_swfw_sync_x550em_a,
        .release_swfw_sync      = ixgbe_release_swfw_sync_x550em_a,
-       .setup_fc               = ixgbe_setup_fc_generic,
+       .setup_fc               = ixgbe_setup_fc_x550em,
        .read_iosf_sb_reg       = ixgbe_read_iosf_sb_reg_x550a,
        .write_iosf_sb_reg      = ixgbe_write_iosf_sb_reg_x550a,
 };