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cpufreq: Move ->get callback check outside of __cpufreq_get()
Currenly, __cpufreq_get() called by show_cpuinfo_cur_freq() will check ->get callback. That is needless since cpuinfo_cur_freq attribute will not be created if ->get is not set. So let's drop it in __cpufreq_get(). Also keep this check in cpufreq_get(). Signed-off-by: Yue Hu <huyue2@yulong.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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1 changed files with 3 additions and 2 deletions
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@ -1585,7 +1585,7 @@ static unsigned int __cpufreq_get(struct cpufreq_policy *policy)
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{
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unsigned int ret_freq = 0;
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if (unlikely(policy_is_inactive(policy)) || !cpufreq_driver->get)
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if (unlikely(policy_is_inactive(policy)))
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return ret_freq;
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ret_freq = cpufreq_driver->get(policy->cpu);
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@ -1623,7 +1623,8 @@ unsigned int cpufreq_get(unsigned int cpu)
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if (policy) {
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down_read(&policy->rwsem);
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ret_freq = __cpufreq_get(policy);
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if (cpufreq_driver->get)
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ret_freq = __cpufreq_get(policy);
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up_read(&policy->rwsem);
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cpufreq_cpu_put(policy);
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