From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1947213AbcBRRUi (ORCPT ); Thu, 18 Feb 2016 12:20:38 -0500 Received: from mail-pa0-f42.google.com ([209.85.220.42]:36564 "EHLO mail-pa0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1947119AbcBRRUg (ORCPT ); Thu, 18 Feb 2016 12:20:36 -0500 Subject: Re: [PATCH 2/3] serial: xuartps: Enable OF earlycon support To: Michal Simek , linux-arm-kernel@lists.infradead.org, Arnd Bergmann , Nicolas Pitre References: <67c9013fc61f53515934b54847a05df8b8e1504a.1455552315.git.michal.simek@xilinx.com> <23ab10a19b21df2ef17a5bb6ce2a70d2d3fd3551.1455552315.git.michal.simek@xilinx.com> <56C34F65.1040506@hurleysoftware.com> <56C57A60.4070600@xilinx.com> Cc: =?UTF-8?Q?S=c3=b6ren_Brinkmann?= , monstr@monstr.eu, Jiri Slaby , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, Greg Kroah-Hartman From: Peter Hurley Message-ID: <56C5FD60.4090906@hurleysoftware.com> Date: Thu, 18 Feb 2016 09:20:32 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <56C57A60.4070600@xilinx.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/18/2016 12:01 AM, Michal Simek wrote: > BTW: Is it normal that when earlycon support is enabled that the bootlog > is copied again? All what was printed before bootconsole [xxx] disabled > is printed twice. I think it has to do with the dummy console bug w/ OF. Masahiro Yamada reported this back with 4.4-rc1 [1] but problem occurs before then as well. [1] http://www.gossamer-threads.com/lists/linux/kernel/2313050 > Or is this just bug in our driver? No. Regards, Peter Hurley