Hi Shivasharan, kernel test robot noticed the following build warnings: [auto build test WARNING on pci/next] [also build test WARNING on next-20240919] [cannot apply to pci/for-linus linus/master v6.11] [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/Shivasharan-S/PCI-portdrv-Enable-reporting-inter-switch-P2P-links/20240919-162626 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next patch link: https://lore.kernel.org/r/1726733624-2142-2-git-send-email-shivasharan.srikanteshwara%40broadcom.com patch subject: [PATCH 1/2 v2] PCI/portdrv: Enable reporting inter-switch P2P links config: x86_64-kexec (https://download.01.org/0day-ci/archive/20240920/202409201219.feYAxGor-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240920/202409201219.feYAxGor-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/202409201219.feYAxGor-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/pci/pcie/portdrv.c:86: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Determine if device supports Inter switch P2P links. vim +86 drivers/pci/pcie/portdrv.c 84 85 /** > 86 * Determine if device supports Inter switch P2P links. 87 * 88 * Return value: true if inter switch P2P is supported, return false otherwise. 89 */ 90 static bool pcie_port_is_p2p_supported(struct pci_dev *dev) 91 { 92 /* P2P link attribute is supported on upstream ports only */ 93 if (pci_pcie_type(dev) != PCI_EXP_TYPE_UPSTREAM) 94 return false; 95 96 /* 97 * Currently Broadcom PEX switches are supported. 98 */ 99 if (dev->vendor == PCI_VENDOR_ID_LSI_LOGIC && 100 (dev->device == PCI_DEVICE_ID_BRCM_PEX_89000_HLC || 101 dev->device == PCI_DEVICE_ID_BRCM_PEX_89000_LLC)) 102 return pcie_brcm_is_p2p_supported(dev); 103 104 return false; 105 } 106 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki