DIO48E_EXTENT 25 drivers/gpio/gpio-104-dio-48e.c #define MAX_NUM_DIO48E max_num_isa_dev(DIO48E_EXTENT) DIO48E_EXTENT 409 drivers/gpio/gpio-104-dio-48e.c if (!devm_request_region(dev, base[id], DIO48E_EXTENT, name)) { DIO48E_EXTENT 411 drivers/gpio/gpio-104-dio-48e.c base[id], base[id] + DIO48E_EXTENT);