Every DMA engine implementation declares a last completed dma cookie
in their private dma channel structures.  This is pointless, and
forces driver specific code.  Move this out into the common dma_chan
structure.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
Tested-by: NLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: NLinus Walleij <linus.walleij@linaro.org>
Acked-by: NJassi Brar <jassisinghbrar@gmail.com>
[imx-sdma.c & mxs-dma.c]
Tested-by: NShawn Guo <shawn.guo@linaro.org>
Signed-off-by: NVinod Koul <vinod.koul@linux.intel.com>

This patch adds new version of the PPC440SPe ADMA driver.
Signed-off-by: NYuri Tikhonov <yur@emcraft.com>
Signed-off-by: NAnatolij Gustschin <agust@denx.de>
Signed-off-by: NDan Williams <dan.j.williams@intel.com>