sata_add_device
if (sata_add_device(dip, sata_hba_inst, &sata_device) !=
rval = sata_add_device(dip, sata_hba_inst, &sata_device);
static int sata_add_device(dev_info_t *, sata_hba_inst_t *, sata_device_t *);