ATA_QCFLAG_QUIET
qc->flags |= ATA_QCFLAG_QUIET;
return qc->flags & ATA_QCFLAG_QUIET;
((qc->flags & ATA_QCFLAG_QUIET) &&
qc->flags |= ATA_QCFLAG_RESULT_TF | ATA_QCFLAG_QUIET;
qc->flags |= ATA_QCFLAG_QUIET;
if (qc_flags & ATA_QCFLAG_QUIET)