[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>
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index b8ebd9c..85296ba5 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -2747,7 +2747,7 @@
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 @@
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 @@
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 @@
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);