237 static int is_child_device(char *devpath)  in is_child_device()  argument
239 	return (devpath[2] ? 1 : 0);  in is_child_device()
242 static int is_hub_limit(char *devpath)  in is_hub_limit()  argument
244 	return ((strlen(devpath) >= 4) ? 1 : 0);  in is_hub_limit()
248 			    char *devpath, u16 *root_port, u16 *hub_port)  in get_port_number()  argument
251 		*root_port = (devpath[0] & 0x0F) - 1;  in get_port_number()
256 		*hub_port = devpath[2] & 0x0F;  in get_port_number()
354 	get_port_number(r8a66597, urb->dev->devpath,  in make_r8a66597_device()
356 	if (!is_child_device(urb->dev->devpath))  in make_r8a66597_device()
373 	if (is_hub_limit(urb->dev->devpath)) {  in alloc_usb_address()
1845 		get_port_number(r8a66597, urb->dev->devpath,  in set_address_zero()