bus_find_device_by_devt  795 drivers/hwtracing/intel_th/core.c 	dev = bus_find_device_by_devt(&intel_th_bus, inode->i_rdev);
bus_find_device_by_devt 1001 drivers/usb/core/devio.c 	dev = bus_find_device_by_devt(&usb_bus_type, devt);