1 files changed, 23 insertions, 2 deletions

diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index fa2e20b621b0..91f8286106ea 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -13,6 +13,7 @@
 #include <linux/mutex.h>
 #include <linux/pm.h>
 #include <linux/err.h>
+#include <linux/of.h>
 
 enum gpd_status {
         GPD_STATE_ACTIVE = 0,   /* PM domain is active */
@@ -72,6 +73,7 @@ struct generic_pm_domain {
         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;
+        struct device_node *of_node; /* Node in device tree */
 };
 
 static inline struct generic_pm_domain *pd_to_genpd(struct dev_pm_domain *pd)
@@ -99,14 +101,15 @@ struct generic_pm_domain_data {
         struct gpd_dev_ops ops;
         struct gpd_timing_data td;
         bool need_restore;
+        bool always_on;
 };
 
+#ifdef CONFIG_PM_GENERIC_DOMAINS
 static inline struct generic_pm_domain_data *to_gpd_data(struct pm_domain_data *pdd)
 {
         return container_of(pdd, struct generic_pm_domain_data, base);
 }
 
-#ifdef CONFIG_PM_GENERIC_DOMAINS
 static inline struct generic_pm_domain_data *dev_gpd_data(struct device *dev)
 {
         return to_gpd_data(dev->power.subsys_data->domain_data);
@@ -119,14 +122,25 @@ extern int __pm_genpd_add_device(struct generic_pm_domain *genpd,
                                  struct device *dev,
                                  struct gpd_timing_data *td);
 
+extern int __pm_genpd_of_add_device(struct device_node *genpd_node,
+                                    struct device *dev,
+                                    struct gpd_timing_data *td);
+
 static inline int pm_genpd_add_device(struct generic_pm_domain *genpd,
                                       struct device *dev)
 {
         return __pm_genpd_add_device(genpd, dev, NULL);
 }
 
+static inline int pm_genpd_of_add_device(struct device_node *genpd_node,
+                                         struct device *dev)
+{
+        return __pm_genpd_of_add_device(genpd_node, dev, NULL);
+}
+
 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 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,
@@ -145,6 +159,10 @@ extern bool default_stop_ok(struct device *dev);
 extern struct dev_power_governor pm_domain_always_on_gov;
 #else
 
+static inline struct generic_pm_domain_data *dev_gpd_data(struct device *dev)
+{
+        return ERR_PTR(-ENOSYS);
+}
 static inline struct generic_pm_domain *dev_to_genpd(struct device *dev)
 {
         return ERR_PTR(-ENOSYS);
@@ -165,6 +183,7 @@ 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 int pm_genpd_add_subdomain(struct generic_pm_domain *genpd,
                                          struct generic_pm_domain *new_sd)
 {
@@ -185,7 +204,8 @@ static inline int __pm_genpd_remove_callbacks(struct device *dev, bool clear_td)
 {
         return -ENOSYS;
 }
-static inline void pm_genpd_init(struct generic_pm_domain *genpd, bool is_off)
+static inline void pm_genpd_init(struct generic_pm_domain *genpd,
+                                 struct dev_power_governor *gov, bool is_off)
 {
 }
 static inline int pm_genpd_poweron(struct generic_pm_domain *genpd)
@@ -196,6 +216,7 @@ static inline bool default_stop_ok(struct device *dev)
 {
         return false;
 }
+#define simple_qos_governor NULL
 #define pm_domain_always_on_gov NULL
 #endif