linux-kernel - Re: [PATCH v3] dmaengine: rcar-dmac: enable descriptor mode on 40bit

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Date:   Mon, 27 Mar 2017 10:06:53 +0530
From:   Vinod Koul <vinod.koul@...el.com>
To:     Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
Cc:     Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Linux-Kernel <linux-kernel@...r.kernel.org>,
        dmaengine@...r.kernel.org
Subject: Re: [PATCH v3] dmaengine: rcar-dmac: enable descriptor mode on 40bit

On Wed, Mar 22, 2017 at 04:22:36AM +0000, Kuninori Morimoto wrote:
> 
> From: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
> 
> 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