From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759274Ab2CIASn (ORCPT ); Thu, 8 Mar 2012 19:18:43 -0500 Received: from mail-pw0-f46.google.com ([209.85.160.46]:60921 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754909Ab2CIASl (ORCPT ); Thu, 8 Mar 2012 19:18:41 -0500 Date: Thu, 08 Mar 2012 16:18:39 -0800 (PST) Message-ID: <871up2k4o6.wl%kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto To: Lars-Peter Clausen Cc: Vinod Koul , Dan Williams , Russell King , linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] dmaengine: care sd_dma_address/len in dmaengine_prep_slave_single() In-Reply-To: <4F58806E.9090500@metafoo.de> References: <8739axwnh9.wl%kuninori.morimoto.gx@renesas.com> <1327917366.1527.42.camel@vkoul-udesk3> <87pqe04qtk.wl%kuninori.morimoto.gx@renesas.com> <4F58806E.9090500@metafoo.de> User-Agent: Wanderlust/2.14.0 Emacs/23.3 Mule/6.0 MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Lars > On 01/31/2012 02:13 AM, Kuninori Morimoto wrote: > > dmaengine_prep_slave_single() is helper macro of dmaengine. > > But it doesn't have sg_dma_address/len() settings which are required. > > And it used void *buf in parameter, but it should be dma_addr_t. > > This patch fixes up it. > > > > Signed-off-by: Kuninori Morimoto > > Hi, > > Any news regarding this patch? The dmaengine_prep_slave_single in upstream > is not really usable as it is right now. Sorry. I have no news/update for this. I'm not good at IOMMU which was pointed by Russell. Best regards --- Kuninori Morimoto