diff options
| author | Koki Sanagi | 2012-01-04 21:23:38 +0100 |
|---|---|---|
| committer | David S. Miller | 2012-01-05 19:12:04 +0100 |
| commit | a95a07445ee97a2fef65befafbadcc30ca1bd145 (patch) | |
| tree | 54472ddd4c18242b1e030ab260f92ca2b6a60e65 /drivers/net/ethernet/intel/igb/igb_main.c | |
| parent | igb: add basic runtime PM support (diff) | |
| download | kernel-qcow2-linux-a95a07445ee97a2fef65befafbadcc30ca1bd145.tar.gz kernel-qcow2-linux-a95a07445ee97a2fef65befafbadcc30ca1bd145.tar.xz kernel-qcow2-linux-a95a07445ee97a2fef65befafbadcc30ca1bd145.zip | |
igb: reset PHY after recovering from PHY power down
According to 82576_Datasheet.pdf, PHY setting is lost after PHY power down.
So resetting PHY is needed when recovering from PHY power down to set a default
setting to PHY register.
Owing to this lack, NIC doesn't link up in some rare situation.
Signed-off-by: Koki Sanagi <sanagi.koki@jp.fujitsu.com>
Tested-by: Aaron Brown <aaron.f.brown@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/ethernet/intel/igb/igb_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index fac71e21e0a4..01e5e89ef959 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -1507,6 +1507,7 @@ void igb_power_up_link(struct igb_adapter *adapter) igb_power_up_phy_copper(&adapter->hw); else igb_power_up_serdes_link_82575(&adapter->hw); + igb_reset_phy(&adapter->hw); } /** |