From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753627Ab3LFC4H (ORCPT ); Thu, 5 Dec 2013 21:56:07 -0500 Received: from zimbra.real-time.com ([63.170.91.9]:54624 "EHLO zimbra.real-time.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752176Ab3LFC4F (ORCPT ); Thu, 5 Dec 2013 21:56:05 -0500 Date: Fri, 6 Dec 2013 13:55:41 +1100 From: James Cameron To: Sergei Ianovich Cc: linux-kernel@vger.kernel.org, "open list:OPEN FIRMWARE AND..." , Heikki Krogerus , Russell King , Greg Kroah-Hartman , Ralf Baechle , Rob Herring , Haojian Zhuang , "open list:SERIAL DRIVERS" , Grant Likely , Andrew Morton , John Crispin , Jiri Slaby , "moderated list:ARM PORT" , Zhou Zhu Subject: Re: [PATCH] serial: rewrite pxa2xx-uart to use 8250_core Message-ID: <20131206025541.GL16425@us.netrek.org> References: <20131205043544.GA28580@kroah.com> <1386286149-2855-1-git-send-email-ynvich@gmail.com> <20131206003851.GI16425@us.netrek.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20131206003851.GI16425@us.netrek.org> Organization: Netrek Vanilla Server Dictator User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 06, 2013 at 11:38:51AM +1100, James Cameron wrote: > On Fri, Dec 06, 2013 at 03:28:37AM +0400, Sergei Ianovich wrote: > > pxa2xx-uart was a separate uart platform driver. It was declaring > > the same device names and numbers as 8250 driver. As a result, > > it was impossible to use 8250 driver on PXA SoCs. > > > > Upon closer examination pxa2xx-uart turned out to be a clone of > > 8250_core driver. > > I'm testing this backported to 3.5 on the OLPC XO-4 [1] [2]. > > As Russell says, the getty had to change, but after that the shell > worked fine; no more or no less responsive. > > What hasn't worked yet is the console; no kernel messages appear. I > have tried changing command line to console=ttyS0,115200. My error. Our kernel had CONFIG_CMDLINE set, changing that fixed it. Console is working fine. -- James Cameron http://quozl.linux.org.au/