FW_MGMT_IOC_GET_BACKEND_FW 108 drivers/staging/greybus/Documentation/firmware/firmware.c ret = ioctl(fd, FW_MGMT_IOC_GET_BACKEND_FW, &backend_fw_info); FW_MGMT_IOC_GET_BACKEND_FW 432 drivers/staging/greybus/fw-management.c case FW_MGMT_IOC_GET_BACKEND_FW: