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authorFabio Baltieri <fabio.baltieri@linaro.org>2013-01-31 13:44:40 +0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-02-02 03:01:16 +0400
commit2624f90c16413990ecb0414400174a066319a9f5 (patch)
tree5b26993f4b28fd21635b7cf476f02dae76b084c2 /include/linux/cpufreq.h
parent6f35a65fbb570086428596d907df6300abffd948 (diff)
downloadlinux-2624f90c16413990ecb0414400174a066319a9f5.tar.xz
cpufreq: governors: implement generic policy_is_shared
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>
Diffstat (limited to 'include/linux/cpufreq.h')
-rw-r--r--include/linux/cpufreq.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 753b198750cf..feb360c8aa88 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -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)