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[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>
This commit is contained in:
Stephen Hemminger 2006-08-28 16:19:36 -07:00 committed by Jeff Garzik
parent d38efdd65a
commit 78bc218663
1 changed files with 4 additions and 1 deletions
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5
drivers/net/skge.c
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@ -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);