Hi Krishna, 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 v6.5-rc4 next-20230801] [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-chaitanya-chundru/PCI-endpoint-Add-D-state-change-notifier-support/20230802-115309 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next patch link: https://lore.kernel.org/r/1690948281-2143-2-git-send-email-quic_krichai%40quicinc.com patch subject: [PATCH v5 1/4] PCI: endpoint: Add D-state change notifier support config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20230802/202308021312.obgu7FWM-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230802/202308021312.obgu7FWM-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/202308021312.obgu7FWM-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/pci/endpoint/pci-epc-core.c:795:6: warning: no previous prototype for 'pci_epc_dstate_notity' [-Wmissing-prototypes] 795 | void pci_epc_dstate_notity(struct pci_epc *epc, pci_power_t state) | ^~~~~~~~~~~~~~~~~~~~~ vim +/pci_epc_dstate_notity +795 drivers/pci/endpoint/pci-epc-core.c 785 786 /** 787 * pci_epc_dstate_notity() - Notify the EPF driver that EPC device D-state 788 * has changed 789 * @epc: the EPC device which has change in D-state 790 * @state: the changed D-state 791 * 792 * Invoke to Notify the EPF device that the EPC device has D-state has 793 * changed. 794 */ > 795 void pci_epc_dstate_notity(struct pci_epc *epc, pci_power_t state) 796 { 797 struct pci_epf *epf; 798 799 if (!epc || IS_ERR(epc)) 800 return; 801 802 mutex_lock(&epc->list_lock); 803 list_for_each_entry(epf, &epc->pci_epf, list) { 804 mutex_lock(&epf->lock); 805 if (epf->event_ops && epf->event_ops->dstate_notify) 806 epf->event_ops->dstate_notify(epf, state); 807 mutex_unlock(&epf->lock); 808 } 809 mutex_unlock(&epc->list_lock); 810 } 811 EXPORT_SYMBOL_GPL(pci_epc_dstate_notity); 812 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
