From 56536a7ff59ccd5cb2d9a37dce4501a432456de0 Mon Sep 17 00:00:00 2001
From: Nicholas Mc Guire <hofrat@osadl.org>
Date: Mon, 2 Feb 2015 03:30:35 -0500
Subject: [PATCH] spi: spi-imx: cleanup wait_for_completion handling

return type of wait_for_completion_timeout is unsigned long not int and
always returns >=0 , this patch adds a suitable return variable and
simplifies the return value checking as there is no < 0 case.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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