From 341b9419a8c0a4cdb75773c576870f1eb655516d Mon Sep 17 00:00:00 2001
From: Shawn Guo <shawn.guo@freescale.com>
Date: Thu, 20 Jan 2011 05:50:39 +0800
Subject: [PATCH] dmaengine: imx-sdma: fix up param for the last BD in
 sdma_prep_slave_sg()

As per the reference manual, bit "L" should be set while bit "C"
should be cleared for the last buffer descriptor in the non-cyclic
chain, so that sdma can stop trying to find the next BD and end
the transfer.

In case of sdma_prep_slave_sg(), BD_LAST needs to be set and BD_CONT
be cleared for the last BD.

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