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| author | Bruce Allan <bruce.w.allan@intel.com> | 2008-11-21 17:01:35 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-11-21 17:01:35 -0800 |
| commit | a20e4cf9e6a37e40532593e00df153d01e317baf (patch) | |
| tree | 265746fe24aaa86df847c812e708c337ce06fa00 /drivers/net/e1000e | |
| parent | 8452759060ad46fc071a7d5bbf1647df5ea2ceab (diff) | |
| download | linux-a20e4cf9e6a37e40532593e00df153d01e317baf.tar.gz linux-a20e4cf9e6a37e40532593e00df153d01e317baf.tar.bz2 linux-a20e4cf9e6a37e40532593e00df153d01e317baf.zip | |
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.h | 1 | ||||
| -rw-r--r-- | drivers/net/e1000e/ethtool.c | 7 | ||||
| -rw-r--r-- | drivers/net/e1000e/netdev.c | 2 |
3 files changed, 4 insertions, 6 deletions
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h index 473c41479ece..37bcb190eef8 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 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) diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index b3f0b4797016..b1b534d267ed 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; |