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List: alsa-devel
Subject: [alsa-devel] ASoC on today's linux-next: dma_alloc_writecombine() failing at least on OMAP platforms
From: peter.ujfalusi () ti ! com (Peter Ujfalusi)
Date: 2012-09-27 13:25:22
Message-ID: 506453C2.4030905 () ti ! com
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On 09/27/2012 03:59 PM, Mark Brown wrote:
> 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.
I do had CMA enabled (not sure why) It has been enabled in my config for a
long time.
Without CONFIG_CMA all is fine.
Thank you,
P?ter
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