From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752273AbeCZIUX (ORCPT ); Mon, 26 Mar 2018 04:20:23 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:54859 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750940AbeCZIUV (ORCPT ); Mon, 26 Mar 2018 04:20:21 -0400 Subject: Re: [PATCH v2 4/6] i2c: i2c-stm32: Add generic DMA API To: Wolfram Sang CC: Maxime Coquelin , Alexandre Torgue , , , References: <1521650940-11651-1-git-send-email-pierre-yves.mordret@st.com> <1521650940-11651-5-git-send-email-pierre-yves.mordret@st.com> <20180324225138.d5yipagxiouoyqtl@ninjato> From: Pierre Yves MORDRET Message-ID: <43b6d8d7-37e6-1fe8-6a53-0202ab25cfb1@st.com> Date: Mon, 26 Mar 2018 10:20:05 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: <20180324225138.d5yipagxiouoyqtl@ninjato> Content-Type: text/plain; charset="windows-1252" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.75.127.47] X-ClientProxiedBy: SFHDAG1NODE3.st.com (10.75.127.3) To SFHDAG5NODE2.st.com (10.75.127.14) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2018-03-26_04:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thanks for the heads-up ! My driver supports DMA, but hardly used in the system. But it's worth to mentioned it. On 03/24/2018 11:51 PM, Wolfram Sang wrote: > On Wed, Mar 21, 2018 at 05:48:58PM +0100, Pierre-Yves MORDRET wrote: >> This patch adds a generic DMA API to implement DMA support for i2c-stm32fx >> drivers >> >> Signed-off-by: M'boumba Cedric Madianga >> Signed-off-by: Pierre-Yves MORDRET > > In case you haven't read it so far, there is a new document about I2C & > DMA -> Documentation/i2c/DMA-considerations > > Just so you know... >