mv88e6xxx_g1_vtu_vid_read
return mv88e6xxx_g1_vtu_vid_read(chip, &entry->valid, &entry->vid);
err = mv88e6xxx_g1_vtu_vid_read(chip, &entry->valid, NULL);
err = mv88e6xxx_g1_vtu_vid_read(chip, NULL, &vid);