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Commit a0483e2e authored by Carolyn Wyborny's avatar Carolyn Wyborny Committed by Jeff Kirsher
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igb: Workaround for global device reset problem on 82580. 



Due to a hw errata, the global device reset doesn't always work on 82580
devices.  This patch works around the problem not trying to do a global
device reset on these devices.

Signed-off-by: default avatarCarolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: default avatarAaron Brown <aaron.f.brown@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 7916a53d

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

+6 −0
Original line number Diff line number Diff line
@@ -1927,6 +1927,12 @@ static s32 igb_reset_hw_82580(struct e1000_hw *hw) 


	hw->dev_spec._82575.global_device_reset = false;



	/* due to hw errata, global device reset doesn't always

	 * work on 82580

	 */

	if (hw->mac.type == e1000_82580)

		global_device_reset = false;



	/* Get current control state. */

	ctrl = rd32(E1000_CTRL);