From 5f114ebcee681b011e8b5bcd2b24169b85286050 Mon Sep 17 00:00:00 2001
From: Lee Jones <lee.jones@linaro.org>
Date: Mon, 18 Aug 2014 16:11:27 +0100
Subject: [PATCH] mfd: sm501: Avoid implicit sign extension

Suspicious implicit sign extension where 'reg' (unsigned char) is
promoted in reg << clksrc to int, then sign-extended to unsigned
long. If reg << clksrc is greater than 0x7FFFFFFF, the upper bits
of the result will all be 1.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
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