From 9bbc3dca9d2212f900396ab9642c48279657a8c0 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Mon, 2 Dec 2013 01:17:58 -0200
Subject: [PATCH] tty: serial: mxs-auart: Check the return value from
 clk_prepare_enable()

clk_prepare_enable() may fail, so let's check its return value and propagate it
in the case of error.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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