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cpufreq: Pass policy to cpufreq_add_policy_cpu() 

The caller of cpufreq_add_policy_cpu() already has a pointer to the
policy structure and there is no need to look it up again in
cpufreq_add_policy_cpu().  Let's pass it directly.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Viresh Kumar 2013-08-04 01:20:07 +02:00 committed by Rafael J. Wysocki
parent 10659ab7b5
commit d8d3b47112
1 changed files with 6 additions and 12 deletions
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18
drivers/cpufreq/cpufreq.c
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@ -897,21 +897,17 @@ static void cpufreq_init_policy(struct cpufreq_policy *policy)
}
#ifdef CONFIG_HOTPLUG_CPU
static int cpufreq_add_policy_cpu(unsigned int cpu, unsigned int sibling,
struct device *dev, bool frozen)
static int cpufreq_add_policy_cpu(struct cpufreq_policy *policy,
unsigned int cpu, struct device *dev,
bool frozen)
{
struct cpufreq_policy *policy;
int ret = 0, has_target = !!cpufreq_driver->target;
unsigned long flags;
policy = cpufreq_cpu_get(sibling);
if (WARN_ON_ONCE(!policy))
return -ENODATA;
if (has_target)
__cpufreq_governor(policy, CPUFREQ_GOV_STOP);
lock_policy_rwsem_write(sibling);
lock_policy_rwsem_write(policy->cpu);
write_lock_irqsave(&cpufreq_driver_lock, flags);
@ -920,7 +916,7 @@ static int cpufreq_add_policy_cpu(unsigned int cpu, unsigned int sibling,
per_cpu(cpufreq_cpu_data, cpu) = policy;
write_unlock_irqrestore(&cpufreq_driver_lock, flags);
unlock_policy_rwsem_write(sibling);
unlock_policy_rwsem_write(policy->cpu);
if (has_target) {
__cpufreq_governor(policy, CPUFREQ_GOV_START);
@ -931,7 +927,6 @@ static int cpufreq_add_policy_cpu(unsigned int cpu, unsigned int sibling,
if (!frozen)
ret = sysfs_create_link(&dev->kobj, &policy->kobj, "cpufreq");
cpufreq_cpu_put(policy);
return ret;
}
#endif
@ -1014,8 +1009,7 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif,
struct cpufreq_policy *cp = per_cpu(cpufreq_cpu_data, sibling);
if (cp && cpumask_test_cpu(cpu, cp->related_cpus)) {
read_unlock_irqrestore(&cpufreq_driver_lock, flags);
return cpufreq_add_policy_cpu(cpu, sibling, dev,
frozen);
return cpufreq_add_policy_cpu(cp, cpu, dev, frozen);
}
}
read_unlock_irqrestore(&cpufreq_driver_lock, flags);