From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [net-2.6 PATCH 2/2] e1000e: rework disable K1 at 1000Mbps for 82577/82578 Date: Thu, 29 Oct 2009 22:54:32 -0700 (PDT) Message-ID: <20091029.225432.56800664.davem@davemloft.net> References: <20091029234545.5413.9667.stgit@localhost.localdomain> <20091029234604.5413.1698.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, gospo@redhat.com, bruce.w.allan@intel.com To: jeffrey.t.kirsher@intel.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:49117 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755777AbZJ3FyI (ORCPT ); Fri, 30 Oct 2009 01:54:08 -0400 In-Reply-To: <20091029234604.5413.1698.stgit@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-ID: From: Jeff Kirsher Date: Thu, 29 Oct 2009 16:46:05 -0700 > From: Bruce Allan > > This patch reworks a previous workaround (commit 7d3cabbcc) for an issue > in hardware where noise on the interconnect between the MAC and PHY could > be generated by a lower power mode (K1) at 1000Mbps resulting in bad > packets. Disable K1 while at 1000 Mbps but keep it enabled for 10/100Mbps > and when the cable is disconnected. The original version of this > workaround was found to be incomplete. > > Signed-off-by: Bruce Allan > Signed-off-by: Jeff Kirsher Applied.