From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753367AbcESBqE (ORCPT ); Wed, 18 May 2016 21:46:04 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:58498 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752342AbcESBp7 (ORCPT ); Wed, 18 May 2016 21:45:59 -0400 Subject: Re: [PATCH] serial: 8250_early: Add earlycon support for Synopsys DesignWare ABP UART To: Greg Kroah-Hartman References: <1462946761-11982-1-git-send-email-wangkefeng.wang@huawei.com> CC: Jiri Slaby , , , , Wei Xu , linux-arm-kernel , Jon Mason From: Kefeng Wang Message-ID: <573D1ABD.5020908@huawei.com> Date: Thu, 19 May 2016 09:45:33 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <1462946761-11982-1-git-send-email-wangkefeng.wang@huawei.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.19.180] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090202.573D1AC9.0130,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: c89e34823e56f38c4731287f280eba0a Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org +Cc Jon and arm-kernel mailist Any comments, thanks. Kefeng On 2016/5/11 14:06, Kefeng Wang wrote: > Some board like Hisilicon D02 uses Synopsys DesignWare ABP UART, declare an > OF early console for it, so early console device can be enabled with comand > line "earlycon"(without option) via the "stdout-path" property in device-tree. > > Signed-off-by: Kefeng Wang > --- > drivers/tty/serial/8250/8250_early.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c > index 8d08ff5..85a12f0 100644 > --- a/drivers/tty/serial/8250/8250_early.c > +++ b/drivers/tty/serial/8250/8250_early.c > @@ -150,6 +150,7 @@ EARLYCON_DECLARE(uart, early_serial8250_setup); > OF_EARLYCON_DECLARE(ns16550, "ns16550", early_serial8250_setup); > OF_EARLYCON_DECLARE(ns16550a, "ns16550a", early_serial8250_setup); > OF_EARLYCON_DECLARE(uart, "nvidia,tegra20-uart", early_serial8250_setup); > +OF_EARLYCON_DECLARE(uart, "snps,dw-apb-uart", early_serial8250_setup); > > #ifdef CONFIG_SERIAL_8250_OMAP > >