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igb: Fix ethtool loopback test for 82580 copper 

Add back 82580 loopback tests to ethtool.

Signed-off-by: Todd Fujinaka <todd.fujinaka@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:
Todd Fujinaka 2013-09-17 05:08:48 +00:00 committed by Jeff Kirsher
parent f875691640
commit 5aa3a44918
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/intel/igb/igb_ethtool.c
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@ -1607,6 +1607,9 @@ static int igb_integrated_phy_loopback(struct igb_adapter *adapter)
igb_write_phy_reg(hw, I347AT4_PAGE_SELECT, 0);
igb_write_phy_reg(hw, PHY_CONTROL, 0x4140);
}
} else if (hw->phy.type == e1000_phy_82580) {
/* enable MII loopback */
igb_write_phy_reg(hw, I82580_PHY_LBK_CTRL, 0x8041);
}
/* add small delay to avoid loopback test failure */