From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Thu, 17 Apr 2014 09:53:26 +0000 (+0200)
Subject: cpufreq: ppc: Fix integer overflow in expression
X-Git-Tag: omap-for-v3.16/pm-signed~49^2~1^4~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1612343a264b2791f4602f4b47dac853e0892ec0;p=pandora-kernel.git

cpufreq: ppc: Fix integer overflow in expression

On 32-bit, "12 * NSEC_PER_SEC" doesn't fit in "unsigned long"
(NSEC_PER_SEC is a "long" constant), causing an integer overflow:

drivers/cpufreq/ppc-corenet-cpufreq.c: In function 'corenet_cpufreq_cpu_init':
drivers/cpufreq/ppc-corenet-cpufreq.c:211:9: warning: integer overflow in expression [-Woverflow]

Force the intermediate to be 64-bit by adding an "ULL" suffix to the
constant multiplier to fix this.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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