Commit 921aa749 authored by Alexander Duyck's avatar Alexander Duyck Committed by David S. Miller

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: default avatarAlexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5851765c
...@@ -1103,6 +1103,13 @@ static s32 igb_setup_fiber_serdes_link_82575(struct e1000_hw *hw) ...@@ -1103,6 +1103,13 @@ static s32 igb_setup_fiber_serdes_link_82575(struct e1000_hw *hw)
E1000_CTRL_SWDPIN1; E1000_CTRL_SWDPIN1;
wr32(E1000_CTRL, reg); 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 */ /* Set switch control to serdes energy detect */
reg = rd32(E1000_CONNSW); reg = rd32(E1000_CONNSW);
reg |= E1000_CONNSW_ENRGSRC; reg |= E1000_CONNSW_ENRGSRC;
......
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