From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: Re: ASoC on today's linux-next: dma_alloc_writecombine() failing at
 least on OMAP platforms
Date: Thu, 27 Sep 2012 13:59:34 +0100
Message-ID: <20120927125934.GV4428@opensource.wolfsonmicro.com>
References: <506443AD.1060201@ti.com>
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To: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>, "Girdwood, Liam" <lrg@ti.com>, linux-next@vger.kernel.org
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On Thu, Sep 27, 2012 at 03:16:45PM +0300, Peter Ujfalusi wrote:

> Can someone try linux-next on non OMAP platform to see if
> dma_alloc_writecombine() works there?

> Meanwhile I'll try to find the reason why it fails for me.

Do you have CMA enabled?  There seems to be some breakage there for me
on Samsung platforms, I saw this affecting all DMA users yesterday along
with some other CMA related issues but didn't analyse it enough to
report it.