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-rw-r--r--include/linux/pm_runtime.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index 8de9aa6e7de..daac05d751b 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -82,6 +82,11 @@ static inline bool pm_runtime_suspended(struct device *dev)
&& !dev->power.disable_depth;
}
+static inline bool pm_runtime_status_suspended(struct device *dev)
+{
+ return dev->power.runtime_status == RPM_SUSPENDED;
+}
+
static inline bool pm_runtime_enabled(struct device *dev)
{
return !dev->power.disable_depth;
@@ -130,6 +135,7 @@ static inline void pm_runtime_put_noidle(struct device *dev) {}
static inline bool device_run_wake(struct device *dev) { return false; }
static inline void device_set_run_wake(struct device *dev, bool enable) {}
static inline bool pm_runtime_suspended(struct device *dev) { return false; }
+static inline bool pm_runtime_status_suspended(struct device *dev) { return false; }
static inline bool pm_runtime_enabled(struct device *dev) { return false; }
static inline int pm_generic_runtime_idle(struct device *dev) { return 0; }
@@ -245,4 +251,46 @@ static inline void pm_runtime_dont_use_autosuspend(struct device *dev)
__pm_runtime_use_autosuspend(dev, false);
}
+struct pm_clk_notifier_block {
+ struct notifier_block nb;
+ struct dev_pm_domain *pm_domain;
+ char *con_ids[];
+};
+
+#ifdef CONFIG_PM_CLK
+extern int pm_clk_init(struct device *dev);
+extern void pm_clk_destroy(struct device *dev);
+extern int pm_clk_add(struct device *dev, const char *con_id);
+extern void pm_clk_remove(struct device *dev, const char *con_id);
+extern int pm_clk_suspend(struct device *dev);
+extern int pm_clk_resume(struct device *dev);
+#else
+static inline int pm_clk_init(struct device *dev)
+{
+ return -EINVAL;
+}
+static inline void pm_clk_destroy(struct device *dev)
+{
+}
+static inline int pm_clk_add(struct device *dev, const char *con_id)
+{
+ return -EINVAL;
+}
+static inline void pm_clk_remove(struct device *dev, const char *con_id)
+{
+}
+#define pm_clk_suspend NULL
+#define pm_clk_resume NULL
+#endif
+
+#ifdef CONFIG_HAVE_CLK
+extern void pm_clk_add_notifier(struct bus_type *bus,
+ struct pm_clk_notifier_block *clknb);
+#else
+static inline void pm_clk_add_notifier(struct bus_type *bus,
+ struct pm_clk_notifier_block *clknb)
+{
+}
+#endif
+
#endif