ATA_TIMING_CYC8B
ata_timing_merge(&p, t, t, ATA_TIMING_CYCLE | ATA_TIMING_CYC8B);
if (what & ATA_TIMING_CYC8B)
ATA_TIMING_CYC8B,
ATA_TIMING_REC8B | ATA_TIMING_CYC8B |