From 0ff3e62ff119f2b65b0a8ad48fcb669f609fd904 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Thu, 4 Oct 2012 17:39:13 +0100
Subject: [PATCH] regmap: Make return code checks consistent

The range code was written to check for return codes less than zero as
errors but throughout the rest of the API return codes not equal to zero
are errors. Change all these checks to match the house style.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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