Subject: Re: ASoC on today's linux-next: dma_alloc_writecombine() failing at least on OMAP platforms

From: Mark Brown <[email-masked]>
Date: Thu, 27 Sep 2012 13:59:34 +0100

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.