From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933068AbbLSMph (ORCPT ); Sat, 19 Dec 2015 07:45:37 -0500 Received: from smtp05.smtpout.orange.fr ([80.12.242.127]:59176 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752382AbbLSMpd (ORCPT ); Sat, 19 Dec 2015 07:45:33 -0500 X-ME-Helo: belgarion X-ME-Auth: amFyem1pay5yb2JlcnRAb3JhbmdlLmZy X-ME-Date: Sat, 19 Dec 2015 13:45:31 +0100 X-ME-IP: 109.222.211.19 From: Robert Jarzmik To: Sergei Ianovich Cc: linux-kernel@vger.kernel.org, Russell King , Greg Kroah-Hartman , Jiri Slaby , Heikki Krogerus , James Cameron , Alexandre Belloni , Rob Herring , Ulf Hansson , "Rafael J. Wysocki" , Kevin Hilman , Andy Shevchenko , Arnd Bergmann , Paul Gortmaker , Scott Wood , Sebastian Andrzej Siewior , Paul Burton , Joachim Eastwood , Mans Rullgard , Masahiro Yamada , Peter Hurley , linux-arm-kernel@lists.infradead.org (moderated list:ARM PORT), linux-serial@vger.kernel.org (open list:SERIAL DRIVERS) Subject: Re: [PATCH v4 1/2] serial: rewrite pxa2xx-uart to use 8250_core References: <1387309071-22382-1-git-send-email-ynvich@gmail.com> <1449700088-28076-1-git-send-email-ynvich@gmail.com> <1449700088-28076-2-git-send-email-ynvich@gmail.com> X-URL: http://belgarath.falguerolles.org/ Date: Sat, 19 Dec 2015 13:45:21 +0100 Message-ID: <8737uyhaji.fsf@belgarion.home> User-Agent: Gnus/5.130008 (Ma Gnus v0.8) Emacs/24.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sergei Ianovich writes: > 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. > > Workaround for Erratum #19 according to Marvel(R) PXA270M Processor > Specification Update (April 19, 2010) is dropped. 8250_core reads > from FIFO immediately after checking DR bit in LSR. > > Signed-off-by: Sergei Ianovich > Reviewed-by: Heikki Krogerus > Reviewed-by: James Cameron > Acked-by: Greg Kroah-Hartman Tested-by: Robert Jarzmik I was wondering if this should go through pxa tree, or through serial tree ? Cheers. -- Robert