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-rw-r--r--include/linux/pm_domain.h13
1 files changed, 10 insertions, 3 deletions
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 91f8286106e..30f794eb382 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -14,6 +14,7 @@
#include <linux/pm.h>
#include <linux/err.h>
#include <linux/of.h>
+#include <linux/notifier.h>
enum gpd_status {
GPD_STATE_ACTIVE = 0, /* PM domain is active */
@@ -70,9 +71,9 @@ struct generic_pm_domain {
int (*power_on)(struct generic_pm_domain *domain);
s64 power_on_latency_ns;
struct gpd_dev_ops dev_ops;
- s64 break_even_ns; /* Power break even for the entire domain. */
s64 max_off_time_ns; /* Maximum allowed "suspended" time. */
- ktime_t power_off_time;
+ bool max_off_time_changed;
+ bool cached_power_down_ok;
struct device_node *of_node; /* Node in device tree */
};
@@ -93,13 +94,17 @@ struct gpd_timing_data {
s64 start_latency_ns;
s64 save_state_latency_ns;
s64 restore_state_latency_ns;
- s64 break_even_ns;
+ s64 effective_constraint_ns;
+ bool constraint_changed;
+ bool cached_stop_ok;
};
struct generic_pm_domain_data {
struct pm_domain_data base;
struct gpd_dev_ops ops;
struct gpd_timing_data td;
+ struct notifier_block nb;
+ struct mutex lock;
bool need_restore;
bool always_on;
};
@@ -141,6 +146,7 @@ static inline int pm_genpd_of_add_device(struct device_node *genpd_node,
extern int pm_genpd_remove_device(struct generic_pm_domain *genpd,
struct device *dev);
extern void pm_genpd_dev_always_on(struct device *dev, bool val);
+extern void pm_genpd_dev_need_restore(struct device *dev, bool val);
extern int pm_genpd_add_subdomain(struct generic_pm_domain *genpd,
struct generic_pm_domain *new_subdomain);
extern int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd,
@@ -184,6 +190,7 @@ static inline int pm_genpd_remove_device(struct generic_pm_domain *genpd,
return -ENOSYS;
}
static inline void pm_genpd_dev_always_on(struct device *dev, bool val) {}
+static inline void pm_genpd_dev_need_restore(struct device *dev, bool val) {}
static inline int pm_genpd_add_subdomain(struct generic_pm_domain *genpd,
struct generic_pm_domain *new_sd)
{