[PATCH] sata_sil24: fix on-memory structure byteorder

Data structures residing on memory and fetched by the controller
should have LE ordering.  Fix it.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index a8328a8..8ef51d0 100644 (file)
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -481,7 +481,7 @@ static int sil24_softreset(struct ata_port *ap, unsigned int *class)
        }
 
        /* do SRST */
-       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);
@@ -597,6 +597,7 @@ static void sil24_qc_prep(struct ata_queued_cmd *qc)
        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:
@@ -604,7 +605,6 @@ static void sil24_qc_prep(struct ata_queued_cmd *qc)
        case ATA_PROT_NODATA:
                prb = &cb->ata.prb;
                sge = cb->ata.sge;
-               prb->ctrl = 0;
                break;
 
        case ATA_PROT_ATAPI:
@@ -617,12 +617,10 @@ static void sil24_qc_prep(struct ata_queued_cmd *qc)
 
                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:
@@ -631,6 +629,7 @@ static void sil24_qc_prep(struct ata_queued_cmd *qc)
                BUG();
        }
 
+       prb->ctrl = cpu_to_le16(ctrl);
        ata_tf_to_fis(&qc->tf, prb->fis, 0);
 
        if (qc->flags & ATA_QCFLAG_DMAMAP)