Hi Yizhen, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: ffc5791ca9102a55d29c6dea26de38d32f052b01 commit: ad84f0a92e3fe282d8280d8c45f8d5b8aab1a2b4 [18707/30000] ub: ubcore add event api and add jetty and event api impls to compile config: arm64-randconfig-003-20241029 (https://download.01.org/0day-ci/archive/20241030/202410300109.pSLkwgUF-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241030/202410300109.pSLkwgUF-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/202410300109.pSLkwgUF-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

drivers/ub/urma/ubcore/ubcore_dp.c:26:5: warning: no previous prototype for 'ubcore_rearm_jfc' [-Wmissing-prototypes] 26 | int ubcore_rearm_jfc(struct ubcore_jfc *jfc, bool solicited_only) | ^~~~~~~~~~~~~~~~

vim +/ubcore_rearm_jfc +26 drivers/ub/urma/ubcore/ubcore_dp.c 25

26 int ubcore_rearm_jfc(struct ubcore_jfc *jfc, bool solicited_only)

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