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authorKoki Sanagi <sanagi.koki@jp.fujitsu.com>2012-01-04 20:23:38 +0000
committerDavid S. Miller <davem@davemloft.net>2012-01-05 13:12:04 -0500
commita95a07445ee97a2fef65befafbadcc30ca1bd145 (patch)
tree54472ddd4c18242b1e030ab260f92ca2b6a60e65 /drivers/net/ethernet/intel
parent749ab2cd127046df79084b6b9165b23491b1db5f (diff)
downloadlinux-linaro-stable-a95a07445ee97a2fef65befafbadcc30ca1bd145.tar.gz
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')
-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c1
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);
}
/**