There are several places where this driver needs to ensure that
PCI accesses have completed before releasing locks. These maybe related
to the problem (not verified):
http://bugzilla.kernel.org/show_bug.cgi?id=6142
Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
--- netdev-2.6.orig/drivers/net/skge.c
+++ netdev-2.6/drivers/net/skge.c
@@ -2747,7 +2747,7 @@ static int skge_poll(struct net_device *
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, vo
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
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);
--
--
VGER BF report: H 0.178292
-
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