tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 442ac780432f43fa8a38f46ec20260ff35d95ad5 commit: 0ba0ebb029b99864fa5963024535f48299373354 [2219/2219] !15589 [OLK-6.6] Ethernet: Supports Linkdata ethernet Controllers config: arm64-randconfig-001-20250511 (https://download.01.org/0day-ci/archive/20250511/202505111315.WMDsDGlI-lkp@i...) compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250511/202505111315.WMDsDGlI-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/202505111315.WMDsDGlI-lkp@intel.com/ All errors (new ones prefixed by >>):

...

drivers/net/ethernet/linkdata/sxevf/sxevf/sxevf_main.c:543:12: error: unused function 'sxevf_resume' [-Werror,-Wunused-function] 543 | static s32 sxevf_resume(struct device *dev) | ^~~~~~~~~~~~ 1 error generated.

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for HALTPOLL_CPUIDLE Depends on [n]: CPU_IDLE [=n] && ARCH_CPUIDLE_HALTPOLL [=y] && ARCH_HAS_OPTIMIZED_POLL [=y] Selected by [y]: - ARM64 [=y] vim +/sxevf_resume +543 drivers/net/ethernet/linkdata/sxevf/sxevf/sxevf_main.c dd013ad487534c liujie_answer 2025-04-15 541 dd013ad487534c liujie_answer 2025-04-15 542 #ifdef CONFIG_PM dd013ad487534c liujie_answer 2025-04-15 @543 static s32 sxevf_resume(struct device *dev) dd013ad487534c liujie_answer 2025-04-15 544 { dd013ad487534c liujie_answer 2025-04-15 545 struct pci_dev *pdev = to_pci_dev(dev); dd013ad487534c liujie_answer 2025-04-15 546 struct sxevf_adapter *adapter = pci_get_drvdata(pdev); dd013ad487534c liujie_answer 2025-04-15 547 struct net_device *netdev = adapter->netdev; dd013ad487534c liujie_answer 2025-04-15 548 s32 ret; dd013ad487534c liujie_answer 2025-04-15 549 dd013ad487534c liujie_answer 2025-04-15 550 pci_restore_state(pdev); dd013ad487534c liujie_answer 2025-04-15 551 pci_save_state(pdev); dd013ad487534c liujie_answer 2025-04-15 552 dd013ad487534c liujie_answer 2025-04-15 553 ret = pci_enable_device_mem(pdev); dd013ad487534c liujie_answer 2025-04-15 554 if (ret) { dd013ad487534c liujie_answer 2025-04-15 555 LOG_DEV_ERR("enable pci device from suspend fail.(err:%d)", ret); dd013ad487534c liujie_answer 2025-04-15 556 goto l_end; dd013ad487534c liujie_answer 2025-04-15 557 } dd013ad487534c liujie_answer 2025-04-15 558 dd013ad487534c liujie_answer 2025-04-15 559 /* in order to force CPU ordering */ dd013ad487534c liujie_answer 2025-04-15 560 smp_mb__before_atomic(); dd013ad487534c liujie_answer 2025-04-15 561 clear_bit(SXEVF_DISABLED, &adapter->state); dd013ad487534c liujie_answer 2025-04-15 562 pci_set_master(pdev); dd013ad487534c liujie_answer 2025-04-15 563 sxevf_reset(adapter); dd013ad487534c liujie_answer 2025-04-15 564 dd013ad487534c liujie_answer 2025-04-15 565 rtnl_lock(); dd013ad487534c liujie_answer 2025-04-15 566 sxevf_ring_num_set(adapter); dd013ad487534c liujie_answer 2025-04-15 567 ret = sxevf_irq_ctxt_init(adapter); dd013ad487534c liujie_answer 2025-04-15 568 if (!ret && netif_running(netdev)) dd013ad487534c liujie_answer 2025-04-15 569 ret = sxevf_open(netdev); dd013ad487534c liujie_answer 2025-04-15 570 rtnl_unlock(); dd013ad487534c liujie_answer 2025-04-15 571 dd013ad487534c liujie_answer 2025-04-15 572 if (ret) { dd013ad487534c liujie_answer 2025-04-15 573 LOG_ERROR_BDF("pci device resume fail.(err:%d)\n", ret); dd013ad487534c liujie_answer 2025-04-15 574 goto l_end; dd013ad487534c liujie_answer 2025-04-15 575 } dd013ad487534c liujie_answer 2025-04-15 576 dd013ad487534c liujie_answer 2025-04-15 577 netif_device_attach(netdev); dd013ad487534c liujie_answer 2025-04-15 578 dd013ad487534c liujie_answer 2025-04-15 579 l_end: dd013ad487534c liujie_answer 2025-04-15 580 return ret; dd013ad487534c liujie_answer 2025-04-15 581 } dd013ad487534c liujie_answer 2025-04-15 582 #endif dd013ad487534c liujie_answer 2025-04-15 583 :::::: The code at line 543 was first introduced by commit :::::: dd013ad487534c1838afc2f55efdb5daec15aace Ethernet: Linkdata: Supports Linkdata ethernet Controllers :::::: TO: liujie_answer <liujie5@linkdatatechnology.com> :::::: CC: liujie_answer <liujie5@linkdatatechnology.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki