Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752797AbbF1Uo6 (ORCPT ); Sun, 28 Jun 2015 16:44:58 -0400 Received: from mail-qc0-f170.google.com ([209.85.216.170]:35899 "EHLO mail-qc0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752271AbbF1Uox (ORCPT ); Sun, 28 Jun 2015 16:44:53 -0400 Message-ID: <55905CC1.7020106@hurleysoftware.com> Date: Sun, 28 Jun 2015 16:44:49 -0400 From: Peter Hurley User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: Bin Gao CC: Greg Kroah-Hartman , One Thousand Gnomes , Jiri Slaby , Paul Bolle , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v6 1/2] serial_core: add pci uart early console support References: <20150529183839.GA13090@worksta> <20150608181711.GA181146@worksta> In-Reply-To: <20150608181711.GA181146@worksta> 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 Content-Length: 769 Lines: 17 On 06/08/2015 02:17 PM, Bin Gao wrote: > On some Intel Atom SoCs, the legacy IO port UART(0x3F8) is not available. > Instead, a 8250 compatible PCI uart can be used as early console. > This patch adds pci support to the 8250 early console driver uart8250. > For example, to enable pci uart(00:21.3) as early console on these > platforms, append the following line to the kernel command line > (assume baud rate is 115200): > earlyprintk=uart8250,pci32,0:24.2,115200n8 Reviewed-by: Peter Hurley -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/