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Message-ID: <4FF1D083.7060207@wwwdotorg.org>
Date:	Mon, 02 Jul 2012 10:46:59 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Laxman Dewangan <ldewangan@...dia.com>,
	broonie@...nsource.wolfsonmicro.com
CC:	tiwai@...e.de, perex@...ex.cz, swarren@...dia.com, lrg@...com,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	linux-tegra@...r.kernel.org
Subject: Re: [PATCH] ASoC: tegra: use dmaengine based dma driver

On 06/29/2012 05:34 AM, Laxman Dewangan wrote:
> Use the dmaengine based Tegra APB DMA driver for
> data transfer between SPI fifo and memory in
> place of legacy Tegra APB DMA.
> 
> Because generic soc-dmaengine-pcm uses the DMAs API
> based on dmaengine, using the exported APIs provided
> by this generic driver.
> 
> The new driver is selected if legacy driver is not
> selected and new dma driver is enabled through config
> file.
> 
> Signed-off-by: Laxman Dewangan <ldewangan@...dia.com>

Acked-by: Stephen Warren <swarren@...dotorg.org>
Tested-by: Stephen Warren <swarren@...dotorg.org>

(Tested on Cardhu/Tegra30. It fails on Whistler/Tegra20, but I assume
that's due to a bug in the dmaengine driver not this patch. There won't
be a regression when applying this patch since we haven't switched to
dmaengine as the default yet).
--
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