#define to_of_platform_driver(drv) \
container_of(drv,struct of_platform_driver, driver)
+extern int of_register_driver(struct of_platform_driver *drv,
+ struct bus_type *bus);
+extern void of_unregister_driver(struct of_platform_driver *drv);
+
#include <asm/of_platform.h>
extern struct of_device *of_find_device_by_node(struct device_node *np);