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| author | Fabio Baltieri | 2013-01-31 10:44:40 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki | 2013-02-02 00:01:16 +0100 |
| commit | 2624f90c16413990ecb0414400174a066319a9f5 (patch) | |
| tree | 5b26993f4b28fd21635b7cf476f02dae76b084c2 /include/linux/cpufreq.h | |
| parent | cpufreq: SPEAr: Notify all policy->cpus of frequency change (diff) | |
| download | kernel-qcow2-linux-2624f90c16413990ecb0414400174a066319a9f5.tar.gz kernel-qcow2-linux-2624f90c16413990ecb0414400174a066319a9f5.tar.xz kernel-qcow2-linux-2624f90c16413990ecb0414400174a066319a9f5.zip | |
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.h | 5 |
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) |