linux-kernel - Re: [PATCH] ASoC: atmel: fix build failure

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Date:	Mon, 6 Jun 2016 11:17:47 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:	Nicolas Ferre <nicolas.ferre@...el.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>, linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org
Subject: Re: [PATCH] ASoC: atmel: fix build failure

On Sun, Jun 05, 2016 at 07:00:21PM +0100, Sudip Mukherjee wrote:
> m32r allmodconfig build is failing with the error:
> ERROR: "bad_dma_ops" [sound/soc/atmel/snd-soc-atmel-pcm-pdc.ko] undefined!
> 
> The code is using DMA but the related dependency is not mentioned in the
> Kconfig.

Rather than going through every single driver using DMA adding the
dependency might it not be simpler to provide at least a stub DMA
implementation for the architectures that don't have it?

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