[SCSI] hpsa: add readl after writel in interrupt mask setting code

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

diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index 621a153..7eec397 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;
@@ -227,10 +228,12 @@ static void SA5_intr_mask(struct ctlr_info *h, unsigned long val)
        if (val) { /* Turn interrupts on */
                h->interrupts_enabled = 1;
                writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
+               (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
        } else { /* Turn them off */
                h->interrupts_enabled = 0;
                writel(SA5_INTR_OFF,
                        h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
+               (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
        }
 }
 
@@ -239,10 +242,12 @@ static void SA5_performant_intr_mask(struct ctlr_info *h, unsigned long val)
        if (val) { /* turn on interrupts */
                h->interrupts_enabled = 1;
                writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
+               (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
        } else {
                h->interrupts_enabled = 0;
                writel(SA5_PERF_INTR_OFF,
                        h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
+               (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
        }
 }