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cpufreq: governors: implement generic policy_is_shared

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Implement a generic helper function policy_is_shared() to replace the
current dbs_sw_coordinated_cpus() at cpufreq level, so that it can be
used by code other than cpufreq governors.

Suggested-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Fabio Baltieri
2013-01-31 09:44:40 +00:00
committed by Rafael J. Wysocki
parent 6f35a65fbb
commit 2624f90c16
7 changed files with 9 additions and 13 deletions
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5
include/linux/cpufreq.h
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@@ -127,6 +127,11 @@ struct cpufreq_policy {
#define CPUFREQ_SHARED_TYPE_ALL (2) /* All dependent CPUs should set freq */
#define CPUFREQ_SHARED_TYPE_ANY (3) /* Freq can be set from any dependent CPU*/
static inline bool policy_is_shared(struct cpufreq_policy *policy)
{
return cpumask_weight(policy->cpus) > 1;
}
/******************** cpufreq transition notifiers *******************/
#define CPUFREQ_PRECHANGE (0)