Data structures residing on memory and fetched by the controller
should have LE ordering. Fix it.
Signed-off-by: Tejun Heo <htejun@xxxxxxxxx>
---
drivers/scsi/sata_sil24.c | 13 ++++++-------
1 files changed, 6 insertions(+), 7 deletions(-)
f6545e5248fe3c2c7ded43131c505032bc6ba080
diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index 60dd6f1..3d301b2 100644
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -454,7 +454,7 @@ static int sil24_softreset(struct ata_po
*/
msleep(10);
- prb->ctrl = PRB_CTRL_SRST;
+ prb->ctrl = cpu_to_le16(PRB_CTRL_SRST);
prb->fis[1] = 0; /* no PM yet */
writel((u32)paddr, port + PORT_CMD_ACTIVATE);
@@ -530,6 +530,7 @@ static void sil24_qc_prep(struct ata_que
union sil24_cmd_block *cb = pp->cmd_block + qc->tag;
struct sil24_prb *prb;
struct sil24_sge *sge;
+ u16 ctrl = 0;
switch (qc->tf.protocol) {
case ATA_PROT_PIO:
@@ -537,7 +538,6 @@ static void sil24_qc_prep(struct ata_que
case ATA_PROT_NODATA:
prb = &cb->ata.prb;
sge = cb->ata.sge;
- prb->ctrl = 0;
break;
case ATA_PROT_ATAPI:
@@ -550,12 +550,10 @@ static void sil24_qc_prep(struct ata_que
if (qc->tf.protocol != ATA_PROT_ATAPI_NODATA) {
if (qc->tf.flags & ATA_TFLAG_WRITE)
- prb->ctrl = PRB_CTRL_PACKET_WRITE;
+ ctrl = PRB_CTRL_PACKET_WRITE;
else
- prb->ctrl = PRB_CTRL_PACKET_READ;
- } else
- prb->ctrl = 0;
-
+ ctrl = PRB_CTRL_PACKET_READ;
+ }
break;
default:
@@ -564,6 +562,7 @@ static void sil24_qc_prep(struct ata_que
BUG();
}
+ prb->ctrl = cpu_to_le16(ctrl);
ata_tf_to_fis(&qc->tf, prb->fis, 0);
if (qc->flags & ATA_QCFLAG_DMAMAP)
--
1.2.4
-
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