PM / Domains: Use power.sybsys_data to reduce overhead

[pandora-kernel.git] / include / linux / pm_runtime.h

diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index 6b90630..a5a41a8 100644 (file)
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -258,6 +258,12 @@ struct pm_clk_notifier_block {
 };
 
 #ifdef CONFIG_PM_CLK
+static inline bool pm_clk_no_clocks(struct device *dev)
+{
+       return dev && dev->power.subsys_data
+               && list_empty(&dev->power.subsys_data->clock_list);
+}
+
 extern void pm_clk_init(struct device *dev);
 extern int pm_clk_create(struct device *dev);
 extern void pm_clk_destroy(struct device *dev);
@@ -266,6 +272,10 @@ 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 bool pm_clk_no_clocks(struct device *dev)
+{
+       return true;
+}
 static inline void pm_clk_init(struct device *dev)
 {
 }