Hi Ricardo, kernel test robot noticed the following build errors:
[auto build test ERROR on 41bccc98fb7931d63d03f326a746ac4d429c1dd3] url: https://github.com/intel-lab-lkp/linux/commits/Ricardo-B-Marliere/powerpc-vio-move-device-attributes-into-a-new-ifdef/20240210-080925 base: 41bccc98fb7931d63d03f326a746ac4d429c1dd3 patch link: https://lore.kernel.org/r/20240209-bus_cleanup-powerpc2-v1-4-79a56dcaebb1%40marliere.net patch subject: [PATCH 4/4] powerpc: ibmebus: make ibmebus_bus_type const config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20240211/202402110615.h1x3dsic-...@intel.com/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project ac0577177f053ba7e7016e1b7e44cf5932d00b03) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240211/202402110615.h1x3dsic-...@intel.com/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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202402110615.h1x3dsic-...@intel.com/ All errors (new ones prefixed by >>): >> arch/powerpc/platforms/pseries/ibmebus.c:58:17: error: redefinition of >> 'ibmebus_bus_type' with a different type: 'struct bus_type' vs 'const struct >> bus_type' 58 | struct bus_type ibmebus_bus_type; | ^ arch/powerpc/include/asm/ibmebus.h:51:30: note: previous declaration is here 51 | extern const struct bus_type ibmebus_bus_type; | ^ arch/powerpc/platforms/pseries/ibmebus.c:134:17: warning: shift count >= width of type [-Wshift-count-overflow] 134 | return mask == DMA_BIT_MASK(64); | ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:77:54: note: expanded from macro 'DMA_BIT_MASK' 77 | #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) | ^ ~~~ arch/powerpc/platforms/pseries/ibmebus.c:139:9: warning: shift count >= width of type [-Wshift-count-overflow] 139 | return DMA_BIT_MASK(64); | ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:77:54: note: expanded from macro 'DMA_BIT_MASK' 77 | #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) | ^ ~~~ 2 warnings and 1 error generated. vim +58 arch/powerpc/platforms/pseries/ibmebus.c d7a301033f1990 arch/powerpc/kernel/ibmebus.c Heiko J Schick 2005-11-16 57 6bccf755ff5324 arch/powerpc/kernel/ibmebus.c Joachim Fenkes 2007-03-09 @58 struct bus_type ibmebus_bus_type; 6bccf755ff5324 arch/powerpc/kernel/ibmebus.c Joachim Fenkes 2007-03-09 59 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
