visor_read_int_callback 44 drivers/usb/serial/visor.c static void visor_read_int_callback(struct urb *urb); visor_read_int_callback 177 drivers/usb/serial/visor.c .read_int_callback = visor_read_int_callback, visor_read_int_callback 197 drivers/usb/serial/visor.c .read_int_callback = visor_read_int_callback,