From 89d68998308e16c49ce18b402d5f702d5a1767e5 Mon Sep 17 00:00:00 2001
From: Florian Vaussard <florian.vaussard@epfl.ch>
Date: Tue, 25 Feb 2014 14:28:19 +0100
Subject: [PATCH] mfd: twl6040: Check for error when reading revision register

We may have an error when reading the revision register, so check for
the returned value.

Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
Reading git-format-patch failed