struct device *platform_find_device_by_driver(struct device *start,
					      const struct device_driver *drv)
{
	return bus_find_device(&platform_bus_type, start, drv,
			       __platform_match);
}
struct device *platform_find_device_by_driver(struct device *start,
					      const struct device_driver *drv)
{
	return bus_find_device(&platform_bus_type, start, drv,
			       __platform_match);
}