On Wed, Aug 02, 2023 at 01:14:44PM +0800, kernel test robot wrote: > 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) This tells that you haven't build tested the series before sending. Please always do both build and functionality testing before sending each iteration. - Mani > | ^~~~~~~~~~~~~~~~~~~~~ > > > 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 -- மணிவண்ணன் சதாசிவம்