From 78bc218663e3bd6cbbaf6a363d2f88f17541adfb Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Mon, 28 Aug 2006 16:19:36 -0700 Subject: [PATCH] [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 Signed-off-by: Jeff Garzik --- drivers/net/skge.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) 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); -- 2.39.5