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Message-ID: <20160310110718.GE11154@localhost>
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
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