From 8391ecf465ec5c8ccef547267df6d40beb8999a4 Mon Sep 17 00:00:00 2001
From: Shengjiu Wang <shengjiu.wang@freescale.com>
Date: Fri, 10 Jul 2015 17:08:16 +0800
Subject: [PATCH] dmaengine: imx-sdma: Add device to device support

This patch adds DEV_TO_DEV support for i.MX SDMA driver to support data
transfer between two peripheral FIFOs.
The per_2_per script requires two peripheral addresses and two DMA
requests, and it need to check the src addr and dst addr is in the SPBA
bus space or in the AIPS bus space.

Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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