DIO_BASE_REG     1292 drivers/staging/comedi/drivers/ni_labpc_common.c 		ret = subdev_8255_mm_init(dev, s, NULL, DIO_BASE_REG);
DIO_BASE_REG     1294 drivers/staging/comedi/drivers/ni_labpc_common.c 		ret = subdev_8255_init(dev, s, NULL, DIO_BASE_REG);