From: Viresh Kumar <viresh.kumar@linaro.org>
Date: Sat, 18 Jul 2015 06:01:03 +0000 (+0530)
Subject: cpufreq: propagate errors returned from __cpufreq_governor()
X-Git-Tag: omap-for-v4.3/fixes-rc1~121^2~4^2~31^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4bc384ae6299d3f3a948efabda2a423e2a293ee0;p=pandora-kernel.git

cpufreq: propagate errors returned from __cpufreq_governor()

Return codes aren't honored properly in cpufreq_set_policy(). This can
lead to two problems:
- wrong errors propagated to sysfs
- we try to do next state-change even if the previous one failed

cpufreq_governor_dbs() now returns proper errors on all invalid
state-transition requests and this code should honor that.

Reviewed-and-tested-by: Preeti U Murthy <preeti@linux.vnet.ibm.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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