From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinod Koul Subject: Re: [PATCH 2/2] dmaengine: Add support for the Analog Devices AXI-DMAC DMA controller Date: Thu, 20 Aug 2015 06:29:56 +0530 Message-ID: <20150820005956.GR13546@localhost> References: <20150819171234.GP13546@localhost> <55D4C06A.8070902@metafoo.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <55D4C06A.8070902-Qo5EllUWu/uELgA04lAiVw@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Lars-Peter Clausen Cc: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org On Wed, Aug 19, 2015 at 07:44:10PM +0200, Lars-Peter Clausen wrote: > On 08/19/2015 07:12 PM, Vinod Koul wrote: > > On Tue, Jul 28, 2015 at 11:38:06AM +0200, Lars-Peter Clausen wrote: > >>> where is device side programming ? > >> > >> in the start_transfer() function. > > > > I must have missed that but still don't see it here, can you point me > > Oh you mean the DMA address for the device? It's a dedicated bus on the > device side, so there is no address to program on the device side. Yes but that was not very clear from the patch. Please document that, also the unidirectional feature of the channels here -- ~Vinod -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html