From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Boot Subject: [PATCH 1/2] e1000e: Disable ASPM L1 on 82574 Date: Mon, 23 Apr 2012 22:29:37 +0100 Message-ID: <1335216578-21542-2-git-send-email-bootc@bootc.net> References: <1335216578-21542-1-git-send-email-bootc@bootc.net> Cc: linux-kernel@vger.kernel.org, nix@esperi.org.uk, carolyn.wyborny@intel.com, Chris Boot To: e1000-devel@lists.sourceforge.net, netdev@vger.kernel.org Return-path: In-Reply-To: <1335216578-21542-1-git-send-email-bootc@bootc.net> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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 Cc: "Wyborny, Carolyn" Cc: Nix Link: https://lkml.org/lkml/2012/3/19/362 --- drivers/net/ethernet/intel/e1000e/82571.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c index b3fdc69..c6d95f2 100644 --- a/drivers/net/ethernet/intel/e1000e/82571.c +++ b/drivers/net/ethernet/intel/e1000e/82571.c @@ -2061,8 +2061,9 @@ 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, .pba = 32, .max_hw_frame_size = DEFAULT_JUMBO, -- 1.7.10