mmcsd_switch_part
err = mmcsd_switch_part(mmcbus, dev, rca,
err = mmcsd_switch_part(mmcbus, dev, sc->rca, part->type);
err = mmcsd_switch_part(mmcbus, dev, sc->rca, part->type);
static int mmcsd_switch_part(device_t bus, device_t dev, uint16_t rca,
err = mmcsd_switch_part(mmcbus, dev, rca, part->type);