AHCI_P_SACT
cstatus = ATA_INL(ch->r_mem, AHCI_P_SACT);
ATA_OUTL(ch->r_mem, AHCI_P_SACT, 1 << slot->slot);
ATA_INL(ch->r_mem, AHCI_P_SACT), ch->rslots,
sstatus = ATA_INL(ch->r_mem, AHCI_P_SACT);
ATA_INL(ch->r_mem, AHCI_P_SACT), ch->rslots,
case AHCI_P_SACT:
case AHCI_P_SACT: