WS16C48_EXTENT 22 drivers/gpio/gpio-ws16c48.c #define MAX_NUM_WS16C48 max_num_isa_dev(WS16C48_EXTENT) WS16C48_EXTENT 408 drivers/gpio/gpio-ws16c48.c if (!devm_request_region(dev, base[id], WS16C48_EXTENT, name)) { WS16C48_EXTENT 410 drivers/gpio/gpio-ws16c48.c base[id], base[id] + WS16C48_EXTENT);