Hi Scott, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 4d1e247486ffeef035a5a55a97f2659f68177357 commit: 99e28159a079ea6af5a5b789e83b68240d67f9ff [1528/1528] fpga: dfl: Add lockdep classes for pdata->lock config: x86_64-buildonly-randconfig-006-20250328 (https://download.01.org/0day-ci/archive/20250329/202503290119.FlNWiz0A-lkp@i...) compiler: clang version 20.1.1 (https://github.com/llvm/llvm-project 424c2d9b7e4de40d0804dd374721e6411c27d1d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250329/202503290119.FlNWiz0A-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/202503290119.FlNWiz0A-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/fpga/dfl.c:57: warning: cannot understand function prototype: 'struct dfl_dev_info ' drivers/fpga/dfl.c:77: warning: cannot understand function prototype: 'struct dfl_chardev_info '

...

drivers/fpga/dfl.o: warning: objtool: build_info_commit_dev()+0x5b: unreachable instruction

-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki