On Wed, Apr 6, 2011 at 2:40 PM, Chuck Ketcham <chuckk2...@yahoo.com> wrote:

> Three of the channels were not used because they were already publicly 
> allocated.  One channel was
> not used because it didn't have DMA_MEMCPY capability.

That's strange, because all four DMA channels are identical.

> 2. If dmaengine is correct, what can I do to free up a channel for my own use?

There must be something else in your system using up the channels.

-- 
Timur Tabi
Linux kernel developer at Freescale
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