Merge tag 'for-linus-5.12b-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6-microblaze.git] / include / linux / pm_domain.h

diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 2ca919a..dfcfbce 100644 (file)
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -9,6 +9,7 @@
 #define _LINUX_PM_DOMAIN_H
 
 #include <linux/device.h>
+#include <linux/ktime.h>
 #include <linux/mutex.h>
 #include <linux/pm.h>
 #include <linux/err.h>
@@ -55,6 +56,10 @@
  *
  * GENPD_FLAG_RPM_ALWAYS_ON:   Instructs genpd to always keep the PM domain
  *                             powered on except for system suspend.
+ *
+ * GENPD_FLAG_MIN_RESIDENCY:   Enable the genpd governor to consider its
+ *                             components' next wakeup when determining the
+ *                             optimal idle state.
  */
 #define GENPD_FLAG_PM_CLK       (1U << 0)
 #define GENPD_FLAG_IRQ_SAFE     (1U << 1)
@@ -62,6 +67,7 @@
 #define GENPD_FLAG_ACTIVE_WAKEUP (1U << 3)
 #define GENPD_FLAG_CPU_DOMAIN   (1U << 4)
 #define GENPD_FLAG_RPM_ALWAYS_ON (1U << 5)
+#define GENPD_FLAG_MIN_RESIDENCY (1U << 6)
 
 enum gpd_status {
        GENPD_STATE_ON = 0,     /* PM domain is on */
@@ -129,6 +135,7 @@ struct generic_pm_domain {
                                     unsigned int state);
        struct gpd_dev_ops dev_ops;
        s64 max_off_time_ns;    /* Maximum allowed "suspended" time. */
+       ktime_t next_wakeup;    /* Maintained by the domain governor */
        bool max_off_time_changed;
        bool cached_power_down_ok;
        bool cached_power_down_state_idx;
@@ -191,6 +198,7 @@ struct generic_pm_domain_data {
        struct notifier_block *power_nb;
        int cpu;
        unsigned int performance_state;
+       ktime_t next_wakeup;
        void *data;
 };
 
@@ -217,6 +225,7 @@ int pm_genpd_remove(struct generic_pm_domain *genpd);
 int dev_pm_genpd_set_performance_state(struct device *dev, unsigned int state);
 int dev_pm_genpd_add_notifier(struct device *dev, struct notifier_block *nb);
 int dev_pm_genpd_remove_notifier(struct device *dev);
+void dev_pm_genpd_set_next_wakeup(struct device *dev, ktime_t next);
 
 extern struct dev_power_governor simple_qos_governor;
 extern struct dev_power_governor pm_domain_always_on_gov;
@@ -275,6 +284,9 @@ static inline int dev_pm_genpd_remove_notifier(struct device *dev)
        return -EOPNOTSUPP;
 }
 
+static inline void dev_pm_genpd_set_next_wakeup(struct device *dev, ktime_t next)
+{ }
+
 #define simple_qos_governor            (*(struct dev_power_governor *)(NULL))
 #define pm_domain_always_on_gov                (*(struct dev_power_governor *)(NULL))
 #endif