netdev - [net-next-2.6 PATCH] ixgbe: Flush the LSC mask change to prevent repeated interrupts

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Message-ID: <20091113044709.1601.82693.stgit@localhost.localdomain>
Date:	Thu, 12 Nov 2009 20:47:11 -0800
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, gospo@...hat.com,
	Shannon Nelson <shannon.nelson@...el.com>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next-2.6 PATCH] ixgbe: Flush the LSC mask change to prevent
	repeated interrupts

From: Nelson, Shannon <shannon.nelson@...el.com>

Signed-off-by: Shannon Nelson <shannon.nelson@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---

 drivers/net/ixgbe/ixgbe_main.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index afd49e0..0489286 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -1204,6 +1204,7 @@ static void ixgbe_check_lsc(struct ixgbe_adapter *adapter)
 	adapter->link_check_timeout = jiffies;
 	if (!test_bit(__IXGBE_DOWN, &adapter->state)) {
 		IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC);
+		IXGBE_WRITE_FLUSH(hw);
 		schedule_work(&adapter->watchdog_task);
 	}
 }

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