Re: [PATCH v5 1/3] ARM: add CPPI 4.1 DMA support

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On Mon, Jan 03, 2011 at 07:06:10PM +0300, Sergei Shtylyov wrote:
> Hello.
>
> On 15-05-2010 22:14, Sergei Shtylyov wrote:
>
>> Add support for Texas Instuments Communication Port Programming Interface 4.1
>> (CPPI 4.1) used on OMAP-L1x/DA8xx and AM35x.
>
>> At this moment, only the DMA controller and queue manager are supported.
>> Support for the buffer manager is lacking but these chips don't have it anyway.
>
>> Signed-off-by: Sergei Shtylyov<sshtylyov@xxxxxxxxxxxxx>
>> Signed-off-by: Sekhar Nori<nsekhar@xxxxxx>
>
>    Russell, you have recently discarded this patch from your patch 
> system. Can we know the reason?

It was recently discussed with TI, and various people raised concerns
about it.  I don't remember the exact details, and I wish they'd raise
them with the patch author directly.  It may have been that it's
inventing its own API rather than using something like the DMA engine
API.

Adding linux-omap to try to get a response there.
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