From 8a9659114c7be6f88253618252881ea6fe0588b4 Mon Sep 17 00:00:00 2001
From: Shawn Guo <shawn.guo@freescale.com>
Date: Thu, 20 Jan 2011 05:50:37 +0800
Subject: [PATCH] dmaengine: imx-sdma: return sdmac->status in sdma_tx_status()

The sdmac->status was designed to reflect the status of the tx,
so simply return it in sdma_tx_status().  Then dma client can call
dma_async_is_tx_complete() to know the status of the tx.

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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