110 	dev_t		devt;  member
319 	    dev_t devt, void *drvdata, const char *fmt, ...);
321     dev_t devt, void *drvdata, const struct attribute_group **groups,
335 	if (dev->devt) {  in device_initialize()
336 		unit = MINOR(dev->devt);  in device_initialize()
366 		if (dev->devt == 0)  in device_add()
367 			dev->devt = makedev(0, device_get_unit(dev->bsddev));  in device_add()
385     struct device *parent, dev_t devt, void *drvdata,  in device_create_with_groups()  argument
392 	dev = device_create_groups_vargs(class, parent, devt, drvdata,  in device_create_with_groups()
414 	if (dev->devt) {  in device_register()
415 		unit = MINOR(dev->devt);  in device_register()
429 		if (dev->devt == 0)  in device_register()
430 			dev->devt = makedev(0, device_get_unit(bsddev));  in device_register()
477 device_destroy(struct class *class, dev_t devt)  in device_destroy()  argument
482 	unit = MINOR(devt);  in device_destroy()