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>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c
index 98632f4561b2..6a8a908f92b8 100644
--- a/drivers/net/ethernet/intel/e1000e/82571.c
+++ b/drivers/net/ethernet/intel/e1000e/82571.c
@@ -2072,8 +2072,9 @@ const struct e1000_info e1000_82574_info = {
                                   | FLAG_HAS_SMART_POWER_DOWN
                                   | FLAG_HAS_AMT
                                   | FLAG_HAS_CTRLEXT_ON_LOAD,
-        .flags2                   = FLAG2_CHECK_PHY_HANG
+        .flags2                  = FLAG2_CHECK_PHY_HANG
                                   | FLAG2_DISABLE_ASPM_L0S
+                                  | FLAG2_DISABLE_ASPM_L1
                                   | FLAG2_NO_DISABLE_RX
                                   | FLAG2_DMA_BURST,
         .pba                    = 32,