From b09c74ae1263ea63b63dd65e6b6500686a3a5fe3 Mon Sep 17 00:00:00 2001
From: Huang Shijie <b32955@freescale.com>
Date: Thu, 29 Aug 2013 16:29:25 +0800
Subject: [PATCH] serial: imx: initialize the local variable

The slave_config is not initialized, so some of its fields may
be set with random data which may causes the failure in the following
dmaengine_prep_slave_sg().

This patch fixes this issue.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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