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cpufreq: Rearrange cpufreq_add_dev()

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Reorganize the code in cpufreq_add_dev() to avoid using the ret
variable and reduce the indentation level in it.

No functional changes.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Rafael J. Wysocki 2016-04-07 03:31:57 +02:00
parent cd73e9b01f
commit a794d6138c
1 changed files with 12 additions and 14 deletions
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26
drivers/cpufreq/cpufreq.c
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@ -1320,26 +1320,24 @@ static int cpufreq_online(unsigned int cpu)
*/
static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif)
{
struct cpufreq_policy *policy;
unsigned cpu = dev->id;
int ret;
dev_dbg(dev, "%s: adding CPU%u\n", __func__, cpu);
if (cpu_online(cpu)) {
ret = cpufreq_online(cpu);
} else {
/*
* A hotplug notifier will follow and we will handle it as CPU
* online then. For now, just create the sysfs link, unless
* there is no policy or the link is already present.
*/
struct cpufreq_policy *policy = per_cpu(cpufreq_cpu_data, cpu);
if (cpu_online(cpu))
return cpufreq_online(cpu);
ret = policy && !cpumask_test_and_set_cpu(cpu, policy->real_cpus)
? add_cpu_dev_symlink(policy, cpu) : 0;
}
/*
* A hotplug notifier will follow and we will handle it as CPU online
* then. For now, just create the sysfs link, unless there is no policy
* or the link is already present.
*/
policy = per_cpu(cpufreq_cpu_data, cpu);
if (!policy || cpumask_test_and_set_cpu(cpu, policy->real_cpus))
return 0;
return ret;
return add_cpu_dev_symlink(policy, cpu);
}
static void cpufreq_offline(unsigned int cpu)