[PATCH] skge: pci bus post fixes

At the end of a critical section, we need to force the PCI write
to complete by doing a read.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index b8ebd9c7d40a..85296ba5eac2 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -2747,7 +2747,7 @@ static int skge_poll(struct net_device *dev, int *budget)
         spin_lock_irq(&hw->hw_lock);
         hw->intr_mask |= rxirqmask[skge->port];
         skge_write32(hw, B0_IMSK, hw->intr_mask);
-        mmiowb();
+        skge_read32(hw, B0_IMSK);
         spin_unlock_irq(&hw->hw_lock);
 
         return 0;
@@ -2881,6 +2881,7 @@ static void skge_extirq(void *arg)
         spin_lock_irq(&hw->hw_lock);
         hw->intr_mask |= IS_EXT_REG;
         skge_write32(hw, B0_IMSK, hw->intr_mask);
+        skge_read32(hw, B0_IMSK);
         spin_unlock_irq(&hw->hw_lock);
 }
 
@@ -2955,6 +2956,7 @@ static irqreturn_t skge_intr(int irq, void *dev_id, struct pt_regs *regs)
                 skge_error_irq(hw);
 
         skge_write32(hw, B0_IMSK, hw->intr_mask);
+        skge_read32(hw, B0_IMSK);
         spin_unlock(&hw->hw_lock);
 
         return IRQ_HANDLED;
@@ -3424,6 +3426,7 @@ static void __devexit skge_remove(struct pci_dev *pdev)
         spin_lock_irq(&hw->hw_lock);
         hw->intr_mask = 0;
         skge_write32(hw, B0_IMSK, 0);
+        skge_read32(hw, B0_IMSK);
         spin_unlock_irq(&hw->hw_lock);
 
         skge_write16(hw, B0_LED, LED_STAT_OFF);