Hi Troy, kernel test robot noticed the following build warnings: [auto build test WARNING on andi-shyti/i2c/i2c-host] [also build test WARNING on robh/for-next linus/master v6.12-rc5 next-20241028] [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/Troy-Mitchell/dt-bindings-i2c-spacemit-add-support-for-K1-SoC/20241028-133452 base: https://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git i2c/i2c-host patch link: https://lore.kernel.org/r/20241028053220.346283-3-TroyMitchell988%40gmail.com patch subject: [PATCH v2 2/2] i2c: spacemit: add support for SpacemiT K1 SoC config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20241028/202410282220.vl7podpG-lkp@xxxxxxxxx/config) compiler: clang version 19.1.2 (https://github.com/llvm/llvm-project 7ba7d8e2f7b6445b60679da826210cdde29eaf8b) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241028/202410282220.vl7podpG-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/202410282220.vl7podpG-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/i2c/busses/i2c-k1.c:7: In file included from include/linux/i2c.h:19: In file included from include/linux/regulator/consumer.h:35: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:21: In file included from include/linux/mm.h:2213: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 525 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> drivers/i2c/busses/i2c-k1.c:343:2: warning: add explicit braces to avoid dangling else [-Wdangling-else] 343 | else if (i2c->dir == DIR_WRITE) | ^ 5 warnings generated. vim +343 drivers/i2c/busses/i2c-k1.c 337 338 static int spacemit_i2c_is_last_msg(struct spacemit_i2c_dev *i2c) 339 { 340 if (i2c->dir == DIR_READ) 341 if (i2c->unprocessed == 1 && i2c->msg_idx == i2c->msg_num - 1) 342 return 1; > 343 else if (i2c->dir == DIR_WRITE) 344 if (!i2c->unprocessed && i2c->msg_idx == i2c->msg_num - 1) 345 return 1; 346 347 return 0; 348 } 349 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki