patch-2_6_7-vs1_9_1_12

[linux-2.6.git] / drivers / scsi / qla1280.c

diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index 6dfc187..dd482a9 100644 (file)
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -3371,6 +3371,7 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
        sp->flags |= SRB_SENT;
        ha->actthreads++;
        WRT_REG_WORD(&reg->mailbox4, ha->req_ring_index);
+       (void) RD_REG_WORD(&reg->mailbox4); /* PCI posted write flush */
 
  out:
        if (status)
@@ -3639,6 +3640,7 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
        sp->flags |= SRB_SENT;
        ha->actthreads++;
        WRT_REG_WORD(&reg->mailbox4, ha->req_ring_index);
+       (void) RD_REG_WORD(&reg->mailbox4); /* PCI posted write flush */
 
 out:
        if (status)
@@ -3750,6 +3752,7 @@ qla1280_isp_cmd(struct scsi_qla_host *ha)
 
        /* Set chip new ring index. */
        WRT_REG_WORD(&reg->mailbox4, ha->req_ring_index);
+       (void) RD_REG_WORD(&reg->mailbox4); /* PCI posted write flush */
 
        LEAVE("qla1280_isp_cmd");
 }
@@ -3788,7 +3791,7 @@ qla1280_isr(struct scsi_qla_host *ha, struct list_head *done_q)
 
        /* Check for mailbox interrupt. */
 
-       mailbox[0] = RD_REG_WORD(&reg->semaphore);
+       mailbox[0] = RD_REG_WORD_dmasync(&reg->semaphore);
 
        if (mailbox[0] & BIT_0) {
                /* Get mailbox data. */