From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: Date: Mon, 27 Mar 2017 10:06:53 +0530 From: Vinod Koul To: Kuninori Morimoto Cc: Laurent Pinchart , Geert Uytterhoeven , Linux-Renesas , Linux-Kernel , dmaengine@vger.kernel.org Subject: Re: [PATCH v3] dmaengine: rcar-dmac: enable descriptor mode on 40bit Message-ID: <20170327043653.GD9308@localhost> References: <87y3vyndu6.wl%kuninori.morimoto.gx@renesas.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87y3vyndu6.wl%kuninori.morimoto.gx@renesas.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: On Wed, Mar 22, 2017 at 04:22:36AM +0000, Kuninori Morimoto wrote: > > From: Kuninori Morimoto > > SYS-DMAC can use 40bit address transfer, and it supports Descriptor > Mode too. Current SYS-DMAC driver disables Descriptor Mode if it was > 40bit address today. But it can use Descriptor Mode with 40bit if > transfer Source/Destination address are located in same 4GiB region > in the 40 bit address space. > This patch enables it if all condition was clear Applied, thanks -- ~Vinod