[PATCH v2] dmaengine/ep93xx_dma: Implement double buffering for M2M DMA channels

[Mika Westerberg]

On Thu, Apr 19, 2012 at 11:19:00AM +0200, Rafal Prylowski wrote:
> Add double buffering support for M2M DMA channels. Implement this by using EP93xx
> M2M DMA Buffer and Control Finite State Machines to be sure that we are not
> disabling the channel when it's actually operating.
> 
> Signed-off-by: Rafal Prylowski <prylowski at metasoft.pl>
> Tested-by: H Hartley Sweeten <hsweeten at visionengravers.com>
> Acked-by: H Hartley Sweeten <hsweeten at visionengravers.com>

Acked-by: Mika Westerberg <mika.westerberg at iki.fi>