linux-kernel - Re: [PATCH V1] ARM: tegra: Pause DMA when reading transfer count

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Message-ID: <20120119034842.GA7145@quad.lixom.net>
Date:	Wed, 18 Jan 2012 19:48:42 -0800
From:	Olof Johansson <olof@...om.net>
To:	Stephen Warren <swarren@...dia.com>
Cc:	Laxman Dewangan <ldewangan.com@...dia.com>,
	"ccross@...roid.com" <ccross@...roid.com>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Laxman Dewangan <ldewangan@...dia.com>
Subject: Re: [PATCH V1] ARM: tegra: Pause DMA when reading transfer count

On Wed, Jan 11, 2012 at 12:48:26PM -0800, Stephen Warren wrote:
> Laxman Dewangan wrote at Monday, January 09, 2012 11:05 PM:
> > In order to read an accurate channel transfer count
> > from the APB DMA engine, the DMA controller must be
> > paused first.
> > 
> > Signed-off-by: Laxman Dewangan <ldewangan@...dia.com>
> 
> Acked-by: Stephen Warren <swarren@...dia.com>
> Tested-by: Stephen Warren <swarren@...dia.com>
> 
> (Audio playback on Harmony booted using device tree works fine in my
> brief testing)

Thanks, applied.


-Olof
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