From c27f95568d1ed2573fc9c8848d741da63ca9a34e Mon Sep 17 00:00:00 2001
From: Jon Medhurst <tixy@linaro.org>
Date: Fri, 7 Nov 2014 18:05:18 +0000
Subject: [PATCH] dmaengine: pl330: Limit MFIFO usage for memcpy to avoid
 exhausting entries

The MFIFO is shared by all channels so restrict each memcpy to it's fair
share. This is being over cautious, but without a global view of DMA
channel usage on a system it's not possible to come up with a more
optimum safe limit.

Signed-off-by: Jon Medhurst <tixy@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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