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

[Gupta, Ajay Kumar]

Hi,
> >> 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 at ru.mvista.com>
> >> Signed-off-by: Sekhar Nori<nsekhar at ti.com>
> >
> >    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.

Sergei,
This issue was discussed recently at TI and proposal was to place it to
drivers/dma folder. Moreover, even Felipe also seems to move other musb
DMAs (Inventra, CPPI3.0, TUSB) to drivers/dma.

Regards,
Ajay
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