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igb: No PHPM support in i354 devices 

PHY Power Management does not exist for i354 device. So, there is no
need to read and write this register or clear go link Disconnect bit,
which could cause a lot of issues.

Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Akeem G Abodunrin 2013-08-28 02:22:53 +00:00 committed by Jeff Kirsher
parent dfc707558b
commit db476e8511
1 changed files with 9 additions and 2 deletions
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11
drivers/net/ethernet/intel/igb/e1000_82575.c
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@ -1421,11 +1421,18 @@ static s32 igb_setup_copper_link_82575(struct e1000_hw *hw)
ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
wr32(E1000_CTRL, ctrl);
/* Clear Go Link Disconnect bit */
if (hw->mac.type >= e1000_82580) {
/* Clear Go Link Disconnect bit on supported devices */
switch (hw->mac.type) {
case e1000_82580:
case e1000_i350:
case e1000_i210:
case e1000_i211:
phpm_reg = rd32(E1000_82580_PHY_POWER_MGMT);
phpm_reg &= ~E1000_82580_PM_GO_LINKD;
wr32(E1000_82580_PHY_POWER_MGMT, phpm_reg);
break;
default:
break;
}
ret_val = igb_setup_serdes_link_82575(hw);