/* check whether driver with the same name is already loaded or not check whether driver with same name is already registered or not */
int _bus_find_driver(struct u_driver *drv)
/* check whether driver with the same name is already loaded or not check whether driver with same name is already registered or not */
int _bus_find_driver(struct u_driver *drv)
{
		drv_b = drv_p->drv;
		if (!strcmp(drv->name, drv_b->name))
			return 1;
	}
	return 0;
}