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authorBruce Allan <bruce.w.allan@intel.com>2008-11-21 17:01:35 -0800
committerDavid S. Miller <davem@davemloft.net>2008-11-21 17:01:35 -0800
commita20e4cf9e6a37e40532593e00df153d01e317baf (patch)
tree265746fe24aaa86df847c812e708c337ce06fa00 /drivers/net/e1000e
parent8452759060ad46fc071a7d5bbf1647df5ea2ceab (diff)
downloadop-kernel-dev-a20e4cf9e6a37e40532593e00df153d01e317baf.zip
op-kernel-dev-a20e4cf9e6a37e40532593e00df153d01e317baf.tar.gz
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>
Diffstat (limited to 'drivers/net/e1000e')
-rw-r--r--drivers/net/e1000e/e1000.h1
-rw-r--r--drivers/net/e1000e/ethtool.c7
-rw-r--r--drivers/net/e1000e/netdev.c2
3 files changed, 4 insertions, 6 deletions
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index 473c414..37bcb19 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -389,6 +389,7 @@ extern int e1000e_setup_tx_resources(struct e1000_adapter *adapter);
extern void e1000e_free_rx_resources(struct e1000_adapter *adapter);
extern void e1000e_free_tx_resources(struct e1000_adapter *adapter);
extern void e1000e_update_stats(struct e1000_adapter *adapter);
+extern bool e1000_has_link(struct e1000_adapter *adapter);
extern void e1000e_set_interrupt_capability(struct e1000_adapter *adapter);
extern void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter);
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 840e8c4..34f1f63 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)
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index b3f0b47..b1b534d 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -3421,7 +3421,7 @@ static void e1000_print_link_info(struct e1000_adapter *adapter)
((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" )));
}
-static bool e1000_has_link(struct e1000_adapter *adapter)
+bool e1000_has_link(struct e1000_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
bool link_active = 0;
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