PM: Introduce struct pm_subsys_data

Introduce struct pm_subsys_data that may be subclassed by subsystems
to store subsystem-specific information related to the device.  Move
the clock management fields accessed through the power.subsys_data
pointer in struct device to the new strucutre.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

1 files changed, 6 insertions, 2 deletions

diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index daac05d751b2..6b90630e3c98 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -258,14 +258,18 @@ struct pm_clk_notifier_block {
 };
 
 #ifdef CONFIG_PM_CLK
-extern int pm_clk_init(struct device *dev);
+extern void pm_clk_init(struct device *dev);
+extern int pm_clk_create(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)
+static inline void pm_clk_init(struct device *dev)
+{
+}
+static inline int pm_clk_create(struct device *dev)
 {
         return -EINVAL;
 }