Hi Kuppuswamy, kernel test robot noticed the following build warnings: [auto build test WARNING on pci/next] [also build test WARNING on pci/for-linus linus/master v6.4-rc6 next-20230615] [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/Kuppuswamy-Sathyanarayanan/PCI-pciehp-Make-sure-DPC-trigger-status-is-reset-in-PDC-handler/20230615-142706 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next patch link: https://lore.kernel.org/r/20230615062559.1268404-1-sathyanarayanan.kuppuswamy%40linux.intel.com patch subject: [PATCH v1] PCI: pciehp: Make sure DPC trigger status is reset in PDC handler config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20230615/202306151528.9ZEmHZMt-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 12.3.0 reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add pci https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git git fetch pci next git checkout pci/next b4 shazam https://lore.kernel.org/r/20230615062559.1268404-1-sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=alpha olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=alpha SHELL=/bin/bash drivers/pci/ 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/202306151528.9ZEmHZMt-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/pci/pcie/dpc.c:123: warning: expecting prototype for pci_reset_trigger(). Prototype was for pci_dpc_reset_trigger() instead vim +123 drivers/pci/pcie/dpc.c 114 115 /** 116 * pci_reset_trigger - Clear DPC trigger status 117 * @pdev: PCI device 118 * 119 * It is called from the PCIe hotplug driver to clean the DPC 120 * trigger status in the PDC interrupt handler. 121 */ 122 void pci_dpc_reset_trigger(struct pci_dev *pdev) > 123 { 124 if (!pdev->dpc_cap) 125 return; 126 127 pci_write_config_word(pdev, pdev->dpc_cap + PCI_EXP_DPC_STATUS, 128 PCI_EXP_DPC_STATUS_TRIGGER); 129 } 130 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
