From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752949AbcFLCU4 (ORCPT ); Sat, 11 Jun 2016 22:20:56 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:22327 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752113AbcFLCUx (ORCPT ); Sat, 11 Jun 2016 22:20:53 -0400 Subject: Re: [PATCH] serial: 8250_early: Add earlycon support for Synopsys DesignWare ABP UART To: Jon Mason References: <1462946761-11982-1-git-send-email-wangkefeng.wang@huawei.com> <573D1ABD.5020908@huawei.com> <20160519213516.GA12456@broadcom.com> CC: Greg Kroah-Hartman , Jiri Slaby , , , , Wei Xu , linux-arm-kernel From: Kefeng Wang Message-ID: <575CC686.8070407@huawei.com> Date: Sun, 12 Jun 2016 10:18:46 +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: <20160519213516.GA12456@broadcom.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=0001.0A020206.575CC6A3.00A6,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 1c55a0fa046c8c9d6df4d51f1f528e05 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2016/5/20 5:35, Jon Mason wrote: > On Thu, May 19, 2016 at 09:45:33AM +0800, Kefeng Wang wrote: >> +Cc Jon and arm-kernel mailist >> >> Any comments, thanks. > > It works for me. Please feel free to add > > Tested-by: Jon Mason Thanks Jon, hi Greg, ping... BRs, Kefeng > > Thanks, > Jon > >> >> 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 >>> >>> >> > > . >