[alsa-devel] ASoC on today's linux-next: dma_alloc_writecombine() failing at least on OMAP platforms

Mark Brown broonie at opensource.wolfsonmicro.com
Thu Sep 27 14:59:34 CEST 2012

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.

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