From: Stephen Warren <swarren@wwwdotorg.org>
To: Laxman Dewangan <ldewangan@nvidia.com>,
broonie@opensource.wolfsonmicro.com
Cc: tiwai@suse.de, perex@perex.cz, swarren@nvidia.com, lrg@ti.com,
alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org,
linux-tegra@vger.kernel.org
Subject: Re: [PATCH] ASoC: tegra: use dmaengine based dma driver
Date: Mon, 02 Jul 2012 10:46:59 -0600 [thread overview]
Message-ID: <4FF1D083.7060207@wwwdotorg.org> (raw)
In-Reply-To: <1340969673-7776-2-git-send-email-ldewangan@nvidia.com>
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@nvidia.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Tested-by: Stephen Warren <swarren@wwwdotorg.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).
next prev parent reply other threads:[~2012-07-02 16:47 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-29 11:34 [PATCH] ARM: tegra: apbio: " Laxman Dewangan
2012-06-29 11:34 ` [PATCH] ASoC: tegra: " Laxman Dewangan
2012-06-29 17:02 ` Stephen Warren
2012-06-30 15:08 ` Laxman Dewangan
2012-07-02 8:25 ` Laxman Dewangan
2012-07-02 16:45 ` Stephen Warren
2012-07-02 16:47 ` Mark Brown
2012-07-03 6:26 ` Laxman Dewangan
2012-07-18 8:59 ` Laxman Dewangan
2012-07-02 16:46 ` Stephen Warren [this message]
2012-07-03 6:29 ` Laxman Dewangan
2012-07-03 10:09 ` Mark Brown
2012-07-03 19:07 ` Mark Brown
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