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Commit db476e85 authored by Akeem G Abodunrin's avatar Akeem G Abodunrin Committed by Jeff Kirsher
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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: default avatarAkeem G Abodunrin <akeem.g.abodunrin@intel.com>
Tested-by: default avatarAaron Brown <aaron.f.brown@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent dfc70755

drivers/net/ethernet/intel/igb/e1000_82575.c

+9 −2
Original line number Diff line number Diff line
@@ -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);