linux-kernel - [PATCH 07/10] cpufreq: Use cpufreq_policy

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Date:	Sat,  3 Aug 2013 17:19:25 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	rjw@...k.pl
Cc:	linaro-kernel@...ts.linaro.org, patches@...aro.org,
	cpufreq@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, srivatsa.bhat@...ux.vnet.ibm.com,
	l.majewski@...sung.com, Viresh Kumar <viresh.kumar@...aro.org>
Subject: [PATCH 07/10] cpufreq: Use cpufreq_policy_list for iterating over policies

For iterating over all policies currently we are iterating over all CPUs and
then finding their policies. Lets use the newly created infrastructure
cpufreq_policy_list.

Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 drivers/cpufreq/cpufreq.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 4c3aef0..e9b969f 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -983,8 +983,8 @@ 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))
@@ -1004,11 +1004,11 @@ 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);
-- 
1.7.12.rc2.18.g61b472e

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