usb_string_id    1201 drivers/usb/gadget/composite.c EXPORT_SYMBOL_GPL(usb_string_id);
usb_string_id     179 drivers/usb/gadget/function/f_loopback.c 	id = usb_string_id(cdev);
usb_string_id     199 drivers/usb/gadget/function/f_serial.c 		status = usb_string_id(c->cdev);
usb_string_id     516 include/linux/usb/composite.h extern int usb_string_id(struct usb_composite_dev *c);