Hi Marco, kernel test robot noticed the following build errors: [auto build test ERROR on 0c3836482481200ead7b416ca80c68a29cfdaabd] url: https://github.com/intel-lab-lkp/linux/commits/Marco-Felsch/usb-hub-add-infrastructure-to-pass-onboard_dev-port-features/20240807-224100 base: 0c3836482481200ead7b416ca80c68a29cfdaabd patch link: https://lore.kernel.org/r/20240807-b4-v6-10-topic-usb-onboard-dev-v1-1-f33ce21353c9%40pengutronix.de patch subject: [PATCH 1/3] usb: hub: add infrastructure to pass onboard_dev port features config: i386-randconfig-141-20240808 (https://download.01.org/0day-ci/archive/20240808/202408081557.FiEe9Tzz-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240808/202408081557.FiEe9Tzz-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202408081557.FiEe9Tzz-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): ld: drivers/usb/core/hub.o: in function `set_port_feature': >> drivers/usb/core/hub.c:481: undefined reference to `onboard_dev_port_feature' ld: drivers/usb/core/hub.o: in function `usb_clear_port_feature': drivers/usb/core/hub.c:462: undefined reference to `onboard_dev_port_feature' vim +481 drivers/usb/core/hub.c 466 467 /* 468 * USB 2.0 spec Section 11.24.2.13 469 */ 470 static int set_port_feature(struct usb_device *hdev, int port1, int feature) 471 { 472 int ret; 473 474 ret = usb_control_msg(hdev, usb_sndctrlpipe(hdev, 0), 475 USB_REQ_SET_FEATURE, USB_RT_PORT, feature, port1, 476 NULL, 0, 1000); 477 if (ret) 478 return ret; 479 480 if (!is_root_hub(hdev)) > 481 ret = onboard_dev_port_feature(hdev, true, feature, port1); 482 483 return ret; 484 } 485 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki