linux-kernel - Re: [PATCH] ASoC: don't call of_dma_request_slave

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Message-ID: <20130423155629.GS5019@opensource.wolfsonmicro.com>
Date:	Tue, 23 Apr 2013 16:56:30 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org, Lars-Peter Clausen <lars@...afoo.de>,
	Shawn Guo <shawn.guo@...aro.org>
Subject: Re: [PATCH] ASoC: don't call of_dma_request_slave_channel directly

On Tue, Apr 23, 2013 at 05:54:33PM +0200, Arnd Bergmann wrote:
> The exported interface for device drivers is dma_request_slave_channel,
> not of_dma_request_slave_channel. The former does not depend on device
> tree but also works with ACPI and other interfaces providing an
> abstraction for DMA channels.

> This fixes link errors when building ALSA as a loadable module.

This has already been changed separately, I'm surprised this applies
against current code.  Though one does have to wonder why it's in the
header file if it's not a supported API...

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