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Commit 9d95046e authored by Borislav Petkov's avatar Borislav Petkov Committed by Rafael J. Wysocki
Browse files

cpufreq: Add a get_current_driver helper 



Add a helper function to return cpufreq_driver->name.

Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 741220ea

drivers/cpufreq/cpufreq.c

+14 −0
Original line number Diff line number Diff line
@@ -1395,6 +1395,20 @@ static struct syscore_ops cpufreq_syscore_ops = { 
	.resume		= cpufreq_bp_resume,

};



/**

 *	cpufreq_get_current_driver - return current driver's name

 *

 *	Return the name string of the currently loaded cpufreq driver

 *	or NULL, if none.

 */

const char *cpufreq_get_current_driver(void)

{

	if (cpufreq_driver)

		return cpufreq_driver->name;



	return NULL;

}

EXPORT_SYMBOL_GPL(cpufreq_get_current_driver);



/*********************************************************************

 *                     NOTIFIER LISTS INTERFACE                      *

include/linux/cpufreq.h

+1 −0
Original line number Diff line number Diff line
@@ -411,4 +411,5 @@ void cpufreq_frequency_table_get_attr(struct cpufreq_frequency_table *table, 
void cpufreq_frequency_table_update_policy_cpu(struct cpufreq_policy *policy);



void cpufreq_frequency_table_put_attr(unsigned int cpu);

const char *cpufreq_get_current_driver(void);

#endif /* _LINUX_CPUFREQ_H */