tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 46abe407b020831448331eea487e07c883e95836 commit: 8cee206b5558245197158bd20895f95cc28d8468 [2882/2882] Ethernet: Linkdata: Supports Linkdata ethernet Controllers config: x86_64-randconfig-122-20250502 (https://download.01.org/0day-ci/archive/20250502/202505020850.kZitpRTl-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250502/202505020850.kZitpRTl-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202505020850.kZitpRTl-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/net/ethernet/linkdata/sxe/sxepf/sxe_main.c:70:6: error: no previous prototype for 'sxe_allow_inval_mac' [-Werror=missing-prototypes] 70 | bool sxe_allow_inval_mac(void) | ^~~~~~~~~~~~~~~~~~~

...

drivers/net/ethernet/linkdata/sxe/sxepf/sxe_main.c:1071:12: error: 'sxe_resume' defined but not used [-Werror=unused-function] 1071 | static int sxe_resume(struct device *dev) | ^~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_main.c:1038:12: error: 'sxe_suspend' defined but not used [-Werror=unused-function] 1038 | static int sxe_suspend(struct device *dev) | ^~~~~~~~~~~ cc1: all warnings being treated as errors -- drivers/net/ethernet/linkdata/sxevf/sxevf/sxevf_main.c:543:12: error: 'sxevf_resume' defined but not used [-Werror=unused-function] 543 | static s32 sxevf_resume(struct device *dev) | ^~~~~~~~~~~~ cc1: all warnings being treated as errors

vim +/sxe_resume +1071 drivers/net/ethernet/linkdata/sxe/sxepf/sxe_main.c 1036 1037 #ifdef CONFIG_PM

1038 static int sxe_suspend(struct device *dev) 1039 { 1040 struct pci_dev *pdev = to_pci_dev(dev); 1041 int ret; 1042 bool wol_enable; 1043 struct sxe_adapter *adapter = pci_get_drvdata(pdev); 1044 struct sxe_hw *hw = &adapter->hw; 1045 1046 ret = __sxe_shutdown(pdev, &wol_enable); 1047 1048 cancel_work_sync(&adapter->monitor_ctxt.work); 1049 cancel_work_sync(&adapter->hdc_ctxt.time_sync_work); 1050 1051 sxe_hdc_channel_destroy(hw); 1052 if (ret) { 1053 LOG_ERROR_BDF("driver shutdown err:%d\n", ret); 1054 goto l_ret; 1055 } 1056 1057 LOG_DEBUG_BDF("pci dev[%p], wol_enable:%s\n", pdev, 1058 wol_enable ? "yes" : "no"); 1059 1060 if (wol_enable) { 1061 pci_prepare_to_sleep(pdev); 1062 } else { 1063 pci_wake_from_d3(pdev, false); 1064 pci_set_power_state(pdev, PCI_D3hot); 1065 } 1066 1067 l_ret: 1068 return ret; 1069 } 1070 1071 static int sxe_resume(struct device *dev) 1072 { 1073 struct pci_dev *pdev = to_pci_dev(dev); 1074 struct sxe_adapter *adapter = pci_get_drvdata(pdev); 1075 struct net_device *netdev = adapter->netdev; 1076 s32 ret; 1077 #ifdef SXE_WOL_CONFIGURE 1078 struct sxe_hw *hw = &adapter->hw; 1079 #endif 1080 1081 pci_set_power_state(pdev, PCI_D0); 1082 pci_restore_state(pdev); 1083 1084 pci_save_state(pdev); 1085 1086 ret = pci_enable_device_mem(pdev); 1087 if (ret) { 1088 LOG_DEV_ERR("cannot enable pci device from suspend\n"); 1089 goto l_ret; 1090 } 1091 1092 /* in order to force CPU ordering */ 1093 smp_mb__before_atomic(); 1094 clear_bit(SXE_DISABLED, &adapter->state); 1095 pci_set_master(pdev); 1096 1097 pci_wake_from_d3(pdev, false); 1098 1099 sxe_hdc_available_set(1); 1100 1101 sxe_reset(adapter); 1102

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