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cpufreq: Add a get_current_driver helper
Add a helper function to return cpufreq_driver->name. Signed-off-by: Borislav Petkov <bp@suse.de> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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@ -1395,6 +1395,20 @@ static struct syscore_ops cpufreq_syscore_ops = {
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.resume = cpufreq_bp_resume,
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.resume = cpufreq_bp_resume,
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};
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};
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/**
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* cpufreq_get_current_driver - return current driver's name
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*
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* Return the name string of the currently loaded cpufreq driver
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* or NULL, if none.
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*/
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const char *cpufreq_get_current_driver(void)
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{
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if (cpufreq_driver)
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return cpufreq_driver->name;
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return NULL;
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}
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EXPORT_SYMBOL_GPL(cpufreq_get_current_driver);
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/*********************************************************************
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/*********************************************************************
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* NOTIFIER LISTS INTERFACE *
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* NOTIFIER LISTS INTERFACE *
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@ -411,4 +411,5 @@ void cpufreq_frequency_table_get_attr(struct cpufreq_frequency_table *table,
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void cpufreq_frequency_table_update_policy_cpu(struct cpufreq_policy *policy);
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void cpufreq_frequency_table_update_policy_cpu(struct cpufreq_policy *policy);
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void cpufreq_frequency_table_put_attr(unsigned int cpu);
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void cpufreq_frequency_table_put_attr(unsigned int cpu);
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const char *cpufreq_get_current_driver(void);
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#endif /* _LINUX_CPUFREQ_H */
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#endif /* _LINUX_CPUFREQ_H */
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