Hi Gatien, kernel test robot noticed the following build warnings: [auto build test WARNING on atorgue-stm32/stm32-next] [also build test WARNING on robh/for-next herbert-crypto-2.6/master herbert-cryptodev-2.6/master linus/master v6.6-rc1 next-20230912] [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/Gatien-Chevallier/dt-bindings-rng-introduce-new-compatible-for-STM32MP13x/20230912-051851 base: https://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32.git stm32-next patch link: https://lore.kernel.org/r/20230911120203.774632-10-gatien.chevallier%40foss.st.com patch subject: [PATCH v2 09/10] hwrng: stm32 - rework power management sequences config: arm64-randconfig-r003-20230912 (https://download.01.org/0day-ci/archive/20230912/202309122017.GsJspucF-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230912/202309122017.GsJspucF-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/202309122017.GsJspucF-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/char/hw_random/stm32-rng.c:472:21: warning: attribute declaration must precede definition [-Wignored-attributes] 472 | static const struct __maybe_unused dev_pm_ops stm32_rng_pm_ops = { | ^ include/linux/compiler_attributes.h:344:56: note: expanded from macro '__maybe_unused' 344 | #define __maybe_unused __attribute__((__unused__)) | ^ include/linux/pm.h:286:8: note: previous definition is here 286 | struct dev_pm_ops { | ^ 1 warning generated. vim +472 drivers/char/hw_random/stm32-rng.c 471 > 472 static const struct __maybe_unused dev_pm_ops stm32_rng_pm_ops = { 473 SET_RUNTIME_PM_OPS(stm32_rng_runtime_suspend, 474 stm32_rng_runtime_resume, NULL) 475 SET_SYSTEM_SLEEP_PM_OPS(stm32_rng_suspend, 476 stm32_rng_resume) 477 }; 478 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki