cpufreq: Use cpufreq_policy_list for iterating over policies

To iterate over all policies we currently iterate over all CPUs and
then get the policy for each of them.  Let's use the newly created
cpufreq_policy_list for this purpose.

[rjw: Changelog]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 75c5bd424d599a71f49856d931787aef27f163a7..37af929746afe72e7f3fad2245f2fa64c11a4bb4 100644 (file)
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -985,8 +985,8 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif,
        struct cpufreq_policy *policy;
        unsigned long flags;
 #ifdef CONFIG_HOTPLUG_CPU
+       struct cpufreq_policy *tpolicy;
        struct cpufreq_governor *gov;
-       int sibling;
 #endif
 
        if (cpu_is_offline(cpu))
@@ -1006,11 +1006,11 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif,
 #ifdef CONFIG_HOTPLUG_CPU
        /* Check if this cpu was hot-unplugged earlier and has siblings */
        read_lock_irqsave(&cpufreq_driver_lock, flags);
-       for_each_online_cpu(sibling) {
-               struct cpufreq_policy *cp = per_cpu(cpufreq_cpu_data, sibling);
-               if (cp && cpumask_test_cpu(cpu, cp->related_cpus)) {
+       list_for_each_entry(tpolicy, &cpufreq_policy_list, policy_list) {
+               if (cpumask_test_cpu(cpu, tpolicy->related_cpus)) {
                        read_unlock_irqrestore(&cpufreq_driver_lock, flags);
-                       return cpufreq_add_policy_cpu(cp, cpu, dev, frozen);
+                       return cpufreq_add_policy_cpu(tpolicy, cpu, dev,
+                                       frozen);
                }
        }
        read_unlock_irqrestore(&cpufreq_driver_lock, flags);