From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753469AbZAaMSV (ORCPT ); Sat, 31 Jan 2009 07:18:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751746AbZAaMSE (ORCPT ); Sat, 31 Jan 2009 07:18:04 -0500 Received: from mba.ocn.ne.jp ([122.1.235.107]:55173 "EHLO smtp.mba.ocn.ne.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751216AbZAaMSB (ORCPT ); Sat, 31 Jan 2009 07:18:01 -0500 Date: Sat, 31 Jan 2009 21:18:02 +0900 (JST) Message-Id: <20090131.211802.75185523.anemo@mba.ocn.ne.jp> To: g.liakhovetski@gmx.de Cc: dan.j.williams@intel.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, maciej.sosnowski@intel.com, hskinnemoen@atmel.com, nicolas.ferre@atmel.com Subject: Re: [PATCH 07/13] dmaengine: introduce dma_request_channel and private channels From: Atsushi Nemoto In-Reply-To: References: <20090131.020300.82352947.anemo@mba.ocn.ne.jp> X-Fingerprint: 6ACA 1623 39BD 9A94 9B1A B746 CA77 FE94 2874 D52F X-Pgp-Public-Key: http://wwwkeys.pgp.net/pks/lookup?op=get&search=0x2874D52F X-Mailer: Mew version 5.2 on Emacs 21.4 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 31 Jan 2009 00:27:48 +0100 (CET), Guennadi Liakhovetski wrote: > > Register multiple dma_devices, the public one with a DMA_MEMCPY, and > > the fixed role devices with DMA_PRIVATE, DMA_MEMCPY, and DMA_SLAVE > > capabilities. > > > > DMA_PRIVATE ensures that a channel is never considered for public consumption. > > Maybe just two dma-devices would suffice: one with the public memcpy > channel, and one with the rest private slave channels? Thank you, I will try this. --- Atsushi Nemoto