From: Nelson, Shannon <shannon.nelson@intel.com>
Date: Thu, 12 Nov 2009 18:47:11 +0000 (+0000)
Subject: ixgbe: Flush the LSC mask change to prevent repeated interrupts
X-Git-Tag: firefly_0821_release~9833^2~3968^2~381
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8a0717f30ce93a686d325122d8b0c6b73b32cfb3;p=firefly-linux-kernel-4.4.55.git

ixgbe: Flush the LSC mask change to prevent repeated interrupts

Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index afd49e04a56a..04892863ef02 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);
 	}
 }