Hi Duje, kernel test robot noticed the following build warnings: [auto build test WARNING on 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa] url: https://github.com/intel-lab-lkp/linux/commits/Duje-Mihanovi/dt-bindings-backlight-add-Kinetic-KTD2801-binding/20231006-025106 base: 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa patch link: https://lore.kernel.org/r/20231005-ktd2801-v1-2-43cd85b0629a%40skole.hr patch subject: [PATCH 2/2] backlight: Add Kinetic KTD2801 driver config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20231019/202310190928.NGF81Cxq-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231019/202310190928.NGF81Cxq-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/202310190928.NGF81Cxq-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/video/backlight/ktd2801-backlight.c:15:9: warning: 'DS' macro redefined [-Wmacro-redefined] #define DS 5 ^ arch/x86/include/uapi/asm/ptrace-abi.h:14:9: note: previous definition is here #define DS 7 ^ 1 warning generated. vim +/DS +15 drivers/video/backlight/ktd2801-backlight.c 8 9 #define EW_DELAY 150 10 #define EW_DET 270 11 #define LOW_BIT_HIGH 5 12 #define LOW_BIT_LOW (4 * HIGH_BIT_LOW) 13 #define HIGH_BIT_LOW 5 14 #define HIGH_BIT_HIGH (4 * HIGH_BIT_LOW) > 15 #define DS 5 16 #define EOD_L 10 17 #define EOD_H 350 18 #define PWR_DOWN_DELAY 2600 19 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki