From patchwork Tue Aug 16 20:40:11 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 659826 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3sDPQg4bjnz9t22 for ; Wed, 17 Aug 2016 06:41:15 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753849AbcHPUkT (ORCPT ); Tue, 16 Aug 2016 16:40:19 -0400 Received: from mga01.intel.com ([192.55.52.88]:27840 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752831AbcHPUkR (ORCPT ); Tue, 16 Aug 2016 16:40:17 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga101.fm.intel.com with ESMTP; 16 Aug 2016 13:40:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,529,1464678000"; d="scan'208";a="1015514216" Received: from jtkirshe-linux.jf.intel.com ([134.134.3.176]) by orsmga001.jf.intel.com with ESMTP; 16 Aug 2016 13:40:16 -0700 From: Jeff Kirsher To: davem@davemloft.net Cc: Jarod Wilson , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, guru.anbalagane@oracle.com, Jeff Kirsher Subject: [net 3/6] e1000e: fix PTP on e1000_pch_lpt variants Date: Tue, 16 Aug 2016 13:40:11 -0700 Message-Id: <1471380014-134435-4-git-send-email-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1471380014-134435-1-git-send-email-jeffrey.t.kirsher@intel.com> References: <1471380014-134435-1-git-send-email-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jarod Wilson I've got reports that the Intel I-218V NIC in Intel NUC5i5RYH systems used as a PTP slave experiences random ~10 hour clock jumps, which are resolved if the same workaround for the 82574 and 82583 is employed, so set the appropriate flag2 in e1000_pch_lpt_info too. Reported-by: Rupesh Patel Signed-off-by: Jarod Wilson Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/e1000e/ich8lan.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 3e11322..f3aaca7 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -5885,7 +5885,8 @@ const struct e1000_info e1000_pch_lpt_info = { | FLAG_HAS_JUMBO_FRAMES | FLAG_APME_IN_WUC, .flags2 = FLAG2_HAS_PHY_STATS - | FLAG2_HAS_EEE, + | FLAG2_HAS_EEE + | FLAG2_CHECK_SYSTIM_OVERFLOW, .pba = 26, .max_hw_frame_size = 9022, .get_variants = e1000_get_variants_ich8lan,