summaryrefslogtreecommitdiffstats
path: root/drivers/scsi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/ahci.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index 00dfdefe296..e97ab3e6de4 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -66,6 +66,7 @@ enum {
AHCI_IRQ_ON_SG = (1 << 31),
AHCI_CMD_ATAPI = (1 << 5),
AHCI_CMD_WRITE = (1 << 6),
+ AHCI_CMD_PREFETCH = (1 << 7),
AHCI_CMD_RESET = (1 << 8),
AHCI_CMD_CLR_BUSY = (1 << 10),
@@ -631,7 +632,7 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc)
if (qc->tf.flags & ATA_TFLAG_WRITE)
opts |= AHCI_CMD_WRITE;
if (is_atapi)
- opts |= AHCI_CMD_ATAPI;
+ opts |= AHCI_CMD_ATAPI | AHCI_CMD_PREFETCH;
ahci_fill_cmd_slot(pp, opts);
}