FW_MGMT_IOC_GET_INTF_FW 47 drivers/staging/greybus/Documentation/firmware/firmware.c ret = ioctl(fd, FW_MGMT_IOC_GET_INTF_FW, &intf_fw_info); FW_MGMT_IOC_GET_INTF_FW 422 drivers/staging/greybus/fw-management.c case FW_MGMT_IOC_GET_INTF_FW: