From 86d19a5491d08fdc5a5cb4be5a09d5f88a6b96ba Mon Sep 17 00:00:00 2001
From: Hongbo Zhang <hongbo.zhang@freescale.com>
Date: Fri, 18 Apr 2014 16:17:47 +0800
Subject: [PATCH] DMA: Freescale: add fsl_dma_free_descriptor() to reduce code
 duplication

There are several places where descriptors are freed using identical code.
This patch puts this code into a function to reduce code duplication.

Signed-off-by: Hongbo Zhang <hongbo.zhang@freescale.com>
Signed-off-by: Qiang Liu <qiang.liu@freescale.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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