[SCSI] hpsa: do readl after writel in main i/o path to ensure commands don't get...

[pandora-kernel.git] / drivers / scsi / hpsa.h

diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index 621a153..98c97ca 100644 (file)
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -212,6 +212,7 @@ static void SA5_submit_command(struct ctlr_info *h,
        dev_dbg(&h->pdev->dev, "Sending %x, tag = %x\n", c->busaddr,
                c->Header.Tag.lower);
        writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET);
+       (void) readl(h->vaddr + SA5_REQUEST_PORT_OFFSET);
        h->commands_outstanding++;
        if (h->commands_outstanding > h->max_outstanding)
                h->max_outstanding = h->commands_outstanding;