linux-kernel - Re: [PATCH] dmaengine: rcar-dmac: use DMATCRB when xxx_TO

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Message-ID: <20171020061222.GL30097@localhost>
Date:   Fri, 20 Oct 2017 11:42:22 +0530
From:   Vinod Koul <vinod.koul@...el.com>
To:     Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
Cc:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Niklas Söderlund 
        <niklas.soderlund+renesas@...natech.se>, dmaengine@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@...esas.com>
Subject: Re: [PATCH] dmaengine: rcar-dmac: use DMATCRB when xxx_TO_MEM
 direction

On Wed, Oct 18, 2017 at 12:01:28AM +0000, Kuninori Morimoto wrote:
> 
> Hi Vinod, Laurent
> 
> > > > Anyway, in all case I can use TCRB in v3 patch,
> > > > and it needs abouve explanation.
> > > 
> > > If so, I think v1 is enough... ?
> > > "transfer completed count is important for all case" is no doubt... ?
> > 
> > That's correct, but I don't think the explanation was detailed and clear 
> > enough. If it was Geert wouldn't have asked for a v2, and you wouldn't have 
> > agreed to his request :-)
> 
> OK. Let's follow Vinod's decision.
> 
> Vinod, I'm happy if you are OK on v1.
> And I'm happy to create v3 patch which includes detail reason
> which is explained by Laurent if you want.

Yes that is correct assumption. Only completed data matters :)

-- 
~Vinod