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From: Stephen Hemminger <shemminger@vyatta.com>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org
Subject: [PATCH 3/9] sky2: PCI irq issues
Date: Wed, 17 Jun 2009 10:30:34 -0700	[thread overview]
Message-ID: <20090617173139.699221446@vyatta.com> (raw)
In-Reply-To: 20090617173031.703636683@vyatta.com

[-- Attachment #1: sky2-irqpost.patch --]
[-- Type: text/plain, Size: 715 bytes --]

Add some read's to avoid any PCI posting issues when controlling
irq's.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>

--- a/drivers/net/sky2.c	2009-06-17 10:29:52.005685817 -0700
+++ b/drivers/net/sky2.c	2009-06-17 10:29:53.382997969 -0700
@@ -1495,6 +1495,7 @@ static int sky2_up(struct net_device *de
 	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 *
 	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);
 

-- 


  parent reply	other threads:[~2009-06-17 17:34 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-17 17:30 [PATCH 0/9] sky2 driver patches Stephen Hemminger
2009-06-17 17:30 ` [PATCH 1/9] sky2: turn off pause during shutdown Stephen Hemminger
2009-06-18  1:50   ` David Miller
2009-06-17 17:30 ` [PATCH 2/9] sky2: more receive shutdown Stephen Hemminger
2009-06-18  1:50   ` David Miller
2009-06-20  7:14   ` Graham Murray
2009-06-22  5:13     ` Graham Murray
2009-06-17 17:30 ` Stephen Hemminger [this message]
2009-06-18  1:50   ` [PATCH 3/9] sky2: PCI irq issues David Miller
2009-06-17 17:30 ` [PATCH 4/9] sky2: fix shutdown synchronization Stephen Hemminger
2009-06-18  1:50   ` David Miller
2009-06-18 23:25   ` Mike McCormack
2009-06-18 23:41     ` Stephen Hemminger
2009-06-18 23:53       ` Mike McCormack
2009-06-17 17:30 ` [PATCH 5/9] sky2: receive counter update Stephen Hemminger
2009-06-18  1:51   ` David Miller
2009-06-17 17:30 ` [PATCH 6/9] sky2: reduce default transmit ring Stephen Hemminger
2009-06-18  1:51   ` David Miller
2009-06-17 17:30 ` [PATCH 7/9] sky2: skb recycling Stephen Hemminger
2009-06-18  1:51   ` David Miller
2009-06-18 21:13   ` Brandeburg, Jesse
2009-06-18 21:22     ` Stephen Hemminger
2009-06-17 17:30 ` [PATCH 8/9] sky2: add GRO support Stephen Hemminger
2009-06-18  1:52   ` David Miller
2009-06-17 17:30 ` [PATCH 9/9] sky2: version 1.23 Stephen Hemminger
2009-06-18  1:52   ` David Miller

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