tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 6a5b2f9a14178b13fe5efc52ba6575f5294c1270 commit: 26a640c9d1b1f7764bd933b7bf6ffca8ddbc6efd [3075/3075] ub:ubus: add ubus controller framework config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20251031/202510312355.LNPDosJ5-lkp@i...) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251031/202510312355.LNPDosJ5-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/202510312355.LNPDosJ5-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

drivers/ub/ubus/ubus_driver.c:64:27: warning: no previous prototype for function 'ub_find_bus_controller' [-Wmissing-prototypes] 64 | struct ub_bus_controller *ub_find_bus_controller(u32 ctl_no) | ^ drivers/ub/ubus/ubus_driver.c:64:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 64 | struct ub_bus_controller *ub_find_bus_controller(u32 ctl_no) | ^ | static drivers/ub/ubus/ubus_driver.c:154:28: warning: no previous prototype for function 'ub_match_id' [-Wmissing-prototypes] 154 | const struct ub_device_id *ub_match_id(const struct ub_device_id *ids, | ^ drivers/ub/ubus/ubus_driver.c:154:7: note: declare 'static' if the function is not intended to be used outside of this translation unit 154 | const struct ub_device_id *ub_match_id(const struct ub_device_id *ids, | ^ | static drivers/ub/ubus/ubus_driver.c:484:6: warning: no previous prototype for function 'ub_bus_type_init' [-Wmissing-prototypes] 484 | void ub_bus_type_init(void) | ^ drivers/ub/ubus/ubus_driver.c:484:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 484 | void ub_bus_type_init(void) | ^ | static drivers/ub/ubus/ubus_driver.c:496:6: warning: no previous prototype for function 'ub_bus_type_uninit' [-Wmissing-prototypes] 496 | void ub_bus_type_uninit(void) | ^ drivers/ub/ubus/ubus_driver.c:496:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 496 | void ub_bus_type_uninit(void) | ^ | static 4 warnings generated.

vim +/ub_find_bus_controller +64 drivers/ub/ubus/ubus_driver.c 63

64 struct ub_bus_controller *ub_find_bus_controller(u32 ctl_no) 65 { 66 struct ub_bus_controller *ubc; 67 68 list_for_each_entry(ubc, &ubc_list, node) 69 if (ubc->ctl_no == ctl_no) 70 return ubc; 71 72 return NULL; 73 } 74 EXPORT_SYMBOL_GPL(ub_find_bus_controller); 75

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