From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Vick, Matthew" Subject: Re: igb: acknowledging time sync interrupts Date: Wed, 29 May 2013 17:42:50 +0000 Message-ID: References: <20130528160654.GC4678@netboy> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Cc: "e1000-devel@lists.sourceforge.net" , "netdev@vger.kernel.org" To: Richard Cochran Return-path: Received: from mga14.intel.com ([143.182.124.37]:30108 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932812Ab3E2RnO convert rfc822-to-8bit (ORCPT ); Wed, 29 May 2013 13:43:14 -0400 In-Reply-To: <20130528160654.GC4678@netboy> Content-Language: en-US Content-ID: <4547455BCB6EBE42BF7780B6B5E35CEC@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: On 5/28/13 9:06 AM, "Richard Cochran" wrote: >On Tue, May 28, 2013 at 03:20:10PM +0000, Vick, Matthew wrote: >> >> I'll start some internal discussion to see if I can get an official >>answer >> on the 82580. > >Okay, that sounds good. I just posted a patch that removes the wr32(), >and I can report that it does work on the i210. If the 82580 needs >this workaround, then I can add it back in again. > >Thanks, >Richard Following up internally, we got confirmation 82580 does have an issue with the read of TSICR not clearing it. Please do add the wr32 back in and keep an eye out for updated documentation. Cheers, Matthew