Hi Naixin, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 700db19c02e9c8dcf291aa7a6a29337c97ea1805 commit: ea190d90c609e9909f37afa0d1a19f938ffb95d3 [1732/1732] Huawei BMA: Adding Huawei BMA driver: host_edma_drv config: x86_64-buildonly-randconfig-005-20250718 (https://download.01.org/0day-ci/archive/20250718/202507181245.Yorkn9cA-lkp@i...) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250718/202507181245.Yorkn9cA-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/202507181245.Yorkn9cA-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:21: In file included from drivers/net/ethernet/huawei/bma/edma_drv/bma_devintf.h:21: In file included from drivers/net/ethernet/huawei/bma/edma_drv/edma_host.h:20: drivers/net/ethernet/huawei/bma/edma_drv/../include/bma_ker_intf.h:19:15: warning: redefinition of typedef '__kernel_time_t' is a C11 feature [-Wtypedef-redefinition] 19 | typedef long __kernel_time_t; | ^ include/uapi/asm-generic/posix_types.h:89:25: note: previous definition is here 89 | typedef __kernel_long_t __kernel_time_t; | ^ drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:67:5: warning: no previous prototype for function 'edma_param_get_statics' [-Wmissing-prototypes] 67 | int edma_param_get_statics(char *buf, const struct kernel_param *kp) | ^ drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:67:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 67 | int edma_param_get_statics(char *buf, const struct kernel_param *kp) | ^ | static drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:142:5: warning: no previous prototype for function '__atu_config_H' [-Wmissing-prototypes] 142 | s32 __atu_config_H(struct pci_dev *pdev, unsigned int region, | ^ drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:142:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 142 | s32 __atu_config_H(struct pci_dev *pdev, unsigned int region, | ^ | static drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:328:5: warning: no previous prototype for function 'pme_pci_enable_msi' [-Wmissing-prototypes] 328 | int pme_pci_enable_msi(struct pci_dev *pdev) | ^ drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:328:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 328 | int pme_pci_enable_msi(struct pci_dev *pdev) | ^ | static drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:354:5: warning: no previous prototype for function 'pci_device_init' [-Wmissing-prototypes] 354 | int pci_device_init(struct pci_dev *pdev, struct bma_pci_dev_s *bma_pci_dev) | ^ drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:354:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 354 | int pci_device_init(struct pci_dev *pdev, struct bma_pci_dev_s *bma_pci_dev) | ^ | static drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:383:5: warning: no previous prototype for function 'pci_device_config' [-Wmissing-prototypes] 383 | int pci_device_config(struct pci_dev *pdev) | ^ drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:383:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 383 | int pci_device_config(struct pci_dev *pdev) | ^ | static drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:505:12: warning: no previous prototype for function 'bma_pci_init' [-Wmissing-prototypes] 505 | int __init bma_pci_init(void) | ^ drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:505:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 505 | int __init bma_pci_init(void) | ^ | static drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:518:13: warning: no previous prototype for function 'bma_pci_cleanup' [-Wmissing-prototypes] 518 | void __exit bma_pci_cleanup(void) | ^ drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:518:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 518 | void __exit bma_pci_cleanup(void) | ^ | static 8 warnings generated.

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drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.o: warning: objtool: missing symbol for section .init.text

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