AHCI_HBA_EM_CTL_ATTR_ALHD
if ((ahci_ctlp->ahcictl_em_ctl & AHCI_HBA_EM_CTL_ATTR_ALHD) == 0 &&
if ((ahci_ctlp->ahcictl_em_ctl & AHCI_HBA_EM_CTL_ATTR_ALHD) == 0) {
((ahci_ctlp->ahcictl_em_ctl & AHCI_HBA_EM_CTL_ATTR_ALHD) != 0)) {