From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751645AbcFNP6U (ORCPT ); Tue, 14 Jun 2016 11:58:20 -0400 Received: from bosmailout05.eigbox.net ([66.96.187.5]:39757 "EHLO bosmailout05.eigbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750818AbcFNP6T (ORCPT ); Tue, 14 Jun 2016 11:58:19 -0400 X-Greylist: delayed 1807 seconds by postgrey-1.27 at vger.kernel.org; Tue, 14 Jun 2016 11:58:18 EDT X-Authority-Analysis: v=2.1 cv=Yp2BRuoX c=1 sm=1 tr=0 a=fXWB4kgb58BbqYPqR/PhaA==:117 a=wX7OiNHM5Vm9Y3QcLynjCQ==:17 a=L9H7d07YOLsA:10 a=9cW_t1CCXrUA:10 a=s5jvgZ67dGcA:10 a=8nJEP1OIZ-IA:10 a=pD_ry4oyNxEA:10 a=KBjcB1Ql4DeT-eXrfJEA:9 a=wPNLvfGTeEIA:10 Message-ID: In-Reply-To: <1465897220.30123.26.camel@linux.intel.com> References: <575F7325.3030907@kernel.org> <1465897220.30123.26.camel@linux.intel.com> Date: Tue, 14 Jun 2016 10:27:47 -0500 Subject: Re: [RFC RESEND] serial: 8250: fix regression in 8250 uart driver From: dinh.linux@anniebear.net To: "Andy Shevchenko" Cc: "Dinh Nguyen" , heikki.krogerus@linux.intel.com, peter@hurleysoftware.com, "Greg Kroah-Hartman" , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org User-Agent: SquirrelMail/1.4.19 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Priority: 3 (Normal) Importance: Normal Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Mon, 2016-06-13 at 21:59 -0500, Dinh Nguyen wrote: >> Apologies, but my original email bounced for Andy and Heikki, >> resending. >> ---- > > I suppose this one, i.e. commit dd4e91d538b3 ("dmaengine: slave means at > least one of DMA_SLAVE, DMA_CYCLIC"), solves the issue. > Hmm...that commit didn't seem to fix my issue. In regard to Peter's reply: "The error is that your dmaengine driver doesn't support the functionality required by the 8250 driver." Does this mean that the 8250_dw.c driver can no longer use DMA? Dinh