From: Viresh Kumar <viresh.kumar@linaro.org>
Date: Sat, 31 Aug 2013 12:23:40 +0000 (+0530)
Subject: cpufreq: don't allow governor limits to be changed when it is disabled
X-Git-Tag: v3.12-rc1~35^2~1^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f73d39338444d9915c746403bd98b145ff9d2ba4;p=pandora-kernel.git

cpufreq: don't allow governor limits to be changed when it is disabled

__cpufreq_governor() returns with -EBUSY when governor is already
stopped and we try to stop it again, but when it is stopped we must
not allow calls to CPUFREQ_GOV_LIMITS event as well.

This patch adds this check in __cpufreq_governor().

Reported-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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