Re: [PATCH v5 1/4] PCI: endpoint: Add D-state change notifier support

From: kernel test robot
Date: Wed Aug 02 2023 - 01:15:21 EST


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