linux-kernel - Re: [PATCH 20/30] ASoC: samsung: convert to dmaengine API

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Message-ID: <20130411142706.GB24971@opensource.wolfsonmicro.com>
Date:	Thu, 11 Apr 2013 15:27:06 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Kukjin Kim <kgene.kim@...sung.com>,
	linux-samsung-soc@...r.kernel.org, alsa-devel@...a-project.org,
	Liam Girdwood <lgirdwood@...il.com>
Subject: Re: [PATCH 20/30] ASoC: samsung: convert to dmaengine API

On Thu, Apr 11, 2013 at 02:05:02AM +0200, Arnd Bergmann wrote:
> In order to build the exynos kernel with CONFIG_ARCH_MULTIPLATFORM,
> we must convert all users of the Samsung private DMA interface to
> the generic dmaengine API. This version of the patch adds the
> generic dmaengine API as an alternative to the existing samsung
> specific one. Once all the older platforms provide support for
> the common dmaengine interfaces, we can remove the old code.

There's generic ASoC dmaengine code which should be used instead of open
coding this.  Lars-Peter Clausen and Lee Jones have been working on
making this a totally generic driver, right now it's a library.
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