Commit d4a4206e authored Apr 24, 2012 by Chris Boot Committed by Jeff Kirsher May 03, 2012

e1000e: Disable ASPM L1 on 82574

ASPM on the 82574 causes trouble. Currently the driver disables L0s for
this NIC but only disables L1 if the MTU is >1500. This patch simply
causes L1 to be disabled regardless of the MTU setting.

Signed-off-by: Chris Boot <bootc@bootc.net>
Cc: "Wyborny, Carolyn" <carolyn.wyborny@intel.com>
Cc: Nix <nix@esperi.org.uk>
Link: https://lkml.org/lkml/2012/3/19/362

Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

parent f6bd5577

drivers/net/ethernet/intel/e1000e/82571.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -2074,6 +2074,7 @@ const struct e1000_info e1000_82574_info = {
		\| FLAG_HAS_CTRLEXT_ON_LOAD,
		.flags2 = FLAG2_CHECK_PHY_HANG
		\| FLAG2_DISABLE_ASPM_L0S
		\| FLAG2_DISABLE_ASPM_L1
		\| FLAG2_NO_DISABLE_RX
		\| FLAG2_DMA_BURST,
		.pba = 32,