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e1000e: Disable ASPM L1 on 82574

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commit d4a4206ebb upstream.

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>
Signed-off-by: Nikola Ciprich <nikola.ciprich@linuxbox.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chris Boot
2012-04-24 07:24:52 +00:00
committed by Greg Kroah-Hartman
parent cfa379de3f
commit 41cc15ce40
1 changed files with 2 additions and 1 deletions
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3
drivers/net/e1000e/82571.c
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@@ -2088,7 +2088,8 @@ struct e1000_info e1000_82574_info = {
| FLAG_HAS_AMT
| FLAG_HAS_CTRLEXT_ON_LOAD,
.flags2 = FLAG2_CHECK_PHY_HANG
| FLAG2_DISABLE_ASPM_L0S,
| FLAG2_DISABLE_ASPM_L0S
| FLAG2_DISABLE_ASPM_L1,
.pba = 32,
.max_hw_frame_size = DEFAULT_JUMBO,
.get_variants = e1000_get_variants_82571,