e1000e: fix incorrect link status when switch module pulled

On 82571 with SerDes, the true link state is not always correct when read
from the STATUS register; use existing e1000_has_link() function instead.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 840e8c4fb753..34f1f639429d 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -173,11 +173,8 @@ static int e1000_get_settings(struct net_device *netdev,
 static u32 e1000_get_link(struct net_device *netdev)
 {
         struct e1000_adapter *adapter = netdev_priv(netdev);
-        struct e1000_hw *hw = &adapter->hw;
-        u32 status;
-        
-        status = er32(STATUS);
-        return (status & E1000_STATUS_LU) ? 1 : 0;
+
+        return e1000_has_link(adapter);
 }
 
 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)