As it seems Vinod's and Sascha's possition regarding to the file arch/arm/mach-imx/dma-v1.c is so strong this is a resent of the series dropping patches 2 and 3. [PATCH v2 1/2] dmaengine: Add support for MEMCPY for imx-dma. [PATCH v2 2/2] dmaengine: Add support for multiple descriptors for imx-dma.