linux-kernel - Re: [RESEND PATCH] dmaengine: at

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Date:	Thu, 10 Mar 2016 16:37:19 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Ludovic Desroches <ludovic.desroches@...el.com>
Cc:	david.engraf@...go.com, dmaengine@...r.kernel.org,
	cyrille.pitchen@...el.com, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, nicolas.ferre@...el.com
Subject: Re: [RESEND PATCH] dmaengine: at_xdmac: fix residue computation

On Thu, Mar 10, 2016 at 10:17:55AM +0100, Ludovic Desroches wrote:
> When computing the residue we need two pieces of information: the current
> descriptor and the remaining data of the current descriptor. To get
> that information, we need to read consecutively two registers but we
> can't do it in an atomic way. For that reason, we have to check manually
> that current descriptor has not changed.

Applied, thanks


-- 
~Vinod