cpufreq / governor: Remove fossil comment
cpufreq_set_policy() has been changed to origin __cpufreq_set_policy() and policy->lock has been converted to rewrite lock by commit 5a01f2. So remove the comment. Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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@ -38,18 +38,7 @@ static int cpufreq_set(struct cpufreq_policy *policy, unsigned int freq)
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if (!per_cpu(cpu_is_managed, policy->cpu))
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goto err;
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/*
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* We're safe from concurrent calls to ->target() here
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* as we hold the userspace_mutex lock. If we were calling
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* cpufreq_driver_target, a deadlock situation might occur:
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* A: cpufreq_set (lock userspace_mutex) ->
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* cpufreq_driver_target(lock policy->lock)
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* B: cpufreq_set_policy(lock policy->lock) ->
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* __cpufreq_governor ->
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* cpufreq_governor_userspace (lock userspace_mutex)
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*/
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ret = __cpufreq_driver_target(policy, freq, CPUFREQ_RELATION_L);
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err:
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mutex_unlock(&userspace_mutex);
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return ret;
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