diff options
| author | Alexander Duyck <alexander.h.duyck@intel.com> | 2009-01-21 14:42:28 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-01-21 14:42:28 -0800 |
| commit | 921aa7491201b238589ab9f94184b18a1ed00e12 (patch) | |
| tree | fce40af24c5e01503fc0bf18cea83ea9179ce66b /drivers/net | |
| parent | 5851765cca21e973a7f4850fbaf1ef55e0cb1965 (diff) | |
igb: make certain to power on optics for 82576 fiber nics
It appears that a step was missed in the initialization of 82576 fiber nics
that resulted in it not powering on the optics.
Signed-off-by: Alexander Duyck <alexander.h.duyck@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')
| -rw-r--r-- | drivers/net/igb/e1000_82575.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c index f5e2e7235fcb..9b367ba8e26f 100644 --- a/drivers/net/igb/e1000_82575.c +++ b/drivers/net/igb/e1000_82575.c @@ -1103,6 +1103,13 @@ static s32 igb_setup_fiber_serdes_link_82575(struct e1000_hw *hw) E1000_CTRL_SWDPIN1; wr32(E1000_CTRL, reg); + /* Power on phy for 82576 fiber adapters */ + if (hw->mac.type == e1000_82576) { + reg = rd32(E1000_CTRL_EXT); + reg &= ~E1000_CTRL_EXT_SDP7_DATA; + wr32(E1000_CTRL_EXT, reg); + } + /* Set switch control to serdes energy detect */ reg = rd32(E1000_CONNSW); reg |= E1000_CONNSW_ENRGSRC; |