From 1fd82f3cafa8e7854db08eccbdb8a9218225e1ef Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Wed, 17 Jun 2009 07:30:34 +0000 Subject: [PATCH] sky2: PCI irq issues Add some read's to avoid any PCI posting issues when controlling irq's. Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- drivers/net/sky2.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index e4e24ee00fb2..cc1c8d13845f 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -1495,6 +1495,7 @@ static int sky2_up(struct net_device *dev) imask = sky2_read32(hw, B0_IMSK); imask |= portirq_msk[port]; sky2_write32(hw, B0_IMSK, imask); + sky2_read32(hw, B0_IMSK); sky2_set_multicast(dev); @@ -1812,6 +1813,7 @@ static int sky2_down(struct net_device *dev) imask = sky2_read32(hw, B0_IMSK); imask &= ~portirq_msk[port]; sky2_write32(hw, B0_IMSK, imask); + sky2_read32(hw, B0_IMSK); synchronize_irq(hw->pdev->irq);