Hi Krishna, kernel test robot noticed the following build warnings: [auto build test WARNING on usb/usb-linus] [also build test WARNING on robh/for-next linus/master v6.3-rc5 next-20230405] [cannot apply to usb/usb-testing usb/usb-next pza/reset/next pza/imx-drm/next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Krishna-Kurapati/dt-bindings-usb-Add-bindings-for-multiport-properties-on-DWC3-controller/20230405-210221 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-linus patch link: https://lore.kernel.org/r/20230405125759.4201-3-quic_kriskura%40quicinc.com patch subject: [PATCH v6 2/8] usb: dwc3: core: Access XHCI address space temporarily to read port info reproduce: # https://github.com/intel-lab-lkp/linux/commit/a0de434ac81429422ecdf84fe968bd8c3f73445b git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Krishna-Kurapati/dt-bindings-usb-Add-bindings-for-multiport-properties-on-DWC3-controller/20230405-210221 git checkout a0de434ac81429422ecdf84fe968bd8c3f73445b make menuconfig # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS make htmldocs If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304060712.gqBA4oqQ-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> ./drivers/usb/dwc3/core.h:1666: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst vim +1666 ./drivers/usb/dwc3/core.h 1664 1665 /** > 1666 * Find the offset of the extended capabilities with capability ID id. 1667 * 1668 * @base PCI MMIO registers base address. 1669 * @start address at which to start looking, (0 or HCC_PARAMS to start at 1670 * beginning of list) 1671 * @id Extended capability ID to search for, or 0 for the next 1672 * capability 1673 * 1674 * Returns the offset of the next matching extended capability structure. 1675 * Some capabilities can occur several times, e.g., the XHCI_EXT_CAPS_PROTOCOL, 1676 * and this provides a way to find them all. 1677 */ 1678 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests