#include <linux/err.h>
#include <linux/cpufreq.h>
+#include <linux/notifier.h>
struct opp;
+enum opp_event {
+ OPP_EVENT_ADD, OPP_EVENT_ENABLE, OPP_EVENT_DISABLE,
+};
+
#if defined(CONFIG_PM_OPP)
unsigned long opp_get_voltage(struct opp *opp);
int opp_disable(struct device *dev, unsigned long freq);
+struct srcu_notifier_head *opp_get_notifier(struct device *dev);
+
#else
static inline unsigned long opp_get_voltage(struct opp *opp)
{
{
return 0;
}
+
+struct srcu_notifier_head *opp_get_notifier(struct device *dev)
+{
+ return ERR_PTR(-EINVAL);
+}
#endif /* CONFIG_PM */
#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP)