Hi Even, kernel test robot noticed the following build warnings: [auto build test WARNING on hid/for-next] [also build test WARNING on linus/master v6.15-rc6 next-20250516] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Even-Xu/HID-Intel-thc-hid-Intel-thc-Add-thc_dma_content-into-kernel-doc/20250514-142347 base: https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-next patch link: https://lore.kernel.org/r/20250514061944.125857-8-even.xu%40intel.com patch subject: [PATCH v1 7/7] HID: Intel-thc-hid: Intel-quicki2c: Add two new features to PTL config: x86_64-randconfig-121-20250517 (https://download.01.org/0day-ci/archive/20250517/202505171535.Yrj5T8jh-lkp@xxxxxxxxx/config) compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250517/202505171535.Yrj5T8jh-lkp@xxxxxxxxx/reproduce) 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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202505171535.Yrj5T8jh-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c:21:23: sparse: sparse: symbol 'ptl_ddata' was not declared. Should it be static? vim +/ptl_ddata +21 drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c 20 > 21 struct quicki2c_ddata ptl_ddata = { 22 .max_detect_size = MAX_RX_DETECT_SIZE_PTL, 23 }; 24 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki