AHCI_PREG_IS_IFS
ahci_pwrite(ap, AHCI_PREG_IS, AHCI_PREG_IS_IFS);
ahci_pwrite(ap, AHCI_PREG_IS, AHCI_PREG_IS_IFS);
ahci_pwrite(ap, AHCI_PREG_IS, AHCI_PREG_IS_IFS);
AHCI_PREG_IS_IFS);
if ((is & AHCI_PREG_IS_IFS) /*&& ap->ap_pmp_ignore_ifs*/) {
ahci_pwrite(ap, AHCI_PREG_IS, AHCI_PREG_IS_IFS);
is &= ~AHCI_PREG_IS_IFS;
if (is & (AHCI_PREG_IS_TFES | AHCI_PREG_IS_HBFS | AHCI_PREG_IS_IFS |
AHCI_PREG_IS_IFS | AHCI_PREG_IS_OFS | AHCI_PREG_IS_UFS)) {