[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>
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1 changed files with 4 additions and 1 deletions
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@ -2747,7 +2747,7 @@ static int skge_poll(struct net_device *dev, int *budget)
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spin_lock_irq(&hw->hw_lock);
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hw->intr_mask |= rxirqmask[skge->port];
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skge_write32(hw, B0_IMSK, hw->intr_mask);
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mmiowb();
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skge_read32(hw, B0_IMSK);
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spin_unlock_irq(&hw->hw_lock);
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return 0;
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@ -2881,6 +2881,7 @@ static void skge_extirq(void *arg)
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spin_lock_irq(&hw->hw_lock);
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hw->intr_mask |= IS_EXT_REG;
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skge_write32(hw, B0_IMSK, hw->intr_mask);
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skge_read32(hw, B0_IMSK);
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spin_unlock_irq(&hw->hw_lock);
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}
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@ -2955,6 +2956,7 @@ static irqreturn_t skge_intr(int irq, void *dev_id, struct pt_regs *regs)
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skge_error_irq(hw);
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skge_write32(hw, B0_IMSK, hw->intr_mask);
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skge_read32(hw, B0_IMSK);
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spin_unlock(&hw->hw_lock);
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return IRQ_HANDLED;
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@ -3424,6 +3426,7 @@ static void __devexit skge_remove(struct pci_dev *pdev)
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spin_lock_irq(&hw->hw_lock);
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hw->intr_mask = 0;
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skge_write32(hw, B0_IMSK, 0);
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skge_read32(hw, B0_IMSK);
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spin_unlock_irq(&hw->hw_lock);
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skge_write16(hw, B0_LED, LED_STAT_OFF);
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