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cpufreq: Don't check cpu_online(policy->cpu)

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policy->cpu or cpus in policy->cpus can't be offline anymore. And so we don't
need to check if they are online or not.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Viresh Kumar
2013-02-04 11:38:51 +00:00
committed by Rafael J. Wysocki
parent 1dd538f072
commit 3361b7b173
4 changed files with 4 additions and 23 deletions
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17
drivers/cpufreq/cpufreq.c
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@@ -76,10 +76,6 @@ static int lock_policy_rwsem_##mode \
int policy_cpu = per_cpu(cpufreq_policy_cpu, cpu); \
BUG_ON(policy_cpu == -1); \
down_##mode(&per_cpu(cpu_policy_rwsem, policy_cpu)); \
if (unlikely(!cpu_online(cpu))) { \
up_##mode(&per_cpu(cpu_policy_rwsem, policy_cpu)); \
return -1; \
} \
\
return 0; \
}
@@ -720,8 +716,6 @@ static int cpufreq_add_dev_symlink(unsigned int cpu,
if (j == cpu)
continue;
if (!cpu_online(j))
continue;
pr_debug("CPU %u already managed, adding link\n", j);
managed_policy = cpufreq_cpu_get(cpu);
@@ -778,8 +772,6 @@ static int cpufreq_add_dev_interface(unsigned int cpu,
spin_lock_irqsave(&cpufreq_driver_lock, flags);
for_each_cpu(j, policy->cpus) {
if (!cpu_online(j))
continue;
per_cpu(cpufreq_cpu_data, j) = policy;
per_cpu(cpufreq_policy_cpu, j) = policy->cpu;
}
@@ -1006,11 +998,8 @@ static void update_policy_cpu(struct cpufreq_policy *policy, unsigned int cpu)
policy->last_cpu = policy->cpu;
policy->cpu = cpu;
for_each_cpu(j, policy->cpus) {
if (!cpu_online(j))
continue;
for_each_cpu(j, policy->cpus)
per_cpu(cpufreq_policy_cpu, j) = cpu;
}
#ifdef CONFIG_CPU_FREQ_TABLE
cpufreq_frequency_table_update_policy_cpu(policy);
@@ -1470,7 +1459,7 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy,
if (target_freq == policy->cur)
return 0;
if (cpu_online(policy->cpu) && cpufreq_driver->target)
if (cpufreq_driver->target)
retval = cpufreq_driver->target(policy, target_freq, relation);
return retval;
@@ -1508,7 +1497,7 @@ int __cpufreq_driver_getavg(struct cpufreq_policy *policy, unsigned int cpu)
if (cpufreq_disabled())
return ret;
if (!(cpu_online(cpu) && cpufreq_driver->getavg))
if (!cpufreq_driver->getavg)
return 0;
policy = cpufreq_cpu_get(policy->cpu);