AHCI_CAP_NO_MCMDLIST_NONQUEUE
!(ahci_ctlp->ahcictl_cap & AHCI_CAP_NO_MCMDLIST_NONQUEUE)) {
if ((ahci_ctlp->ahcictl_cap & AHCI_CAP_NO_MCMDLIST_NONQUEUE) &&
ahci_ctlp->ahcictl_cap |= AHCI_CAP_NO_MCMDLIST_NONQUEUE;