Hi Tomer, kernel test robot noticed the following build warnings: [auto build test WARNING on soc/for-next] [also build test WARNING on robh/for-next linus/master v6.7-rc5 next-20231214] [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/Tomer-Maimon/dt-bindings-soc-nuvoton-Add-NPCM-BPC/20231214-030714 base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next patch link: https://lore.kernel.org/r/20231213190528.3751583-4-tmaimon77%40gmail.com patch subject: [PATCH v3 3/3] soc: nuvoton: add NPCM BPC driver config: arm64-randconfig-r123-20231215 (https://download.01.org/0day-ci/archive/20231215/202312150632.EzPYbn6l-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20231215/202312150632.EzPYbn6l-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/202312150632.EzPYbn6l-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/soc/nuvoton/npcm-bpc.c:105:25: sparse: sparse: cast to restricted __poll_t drivers/soc/nuvoton/npcm-bpc.c:108:26: sparse: sparse: cast to restricted __poll_t vim +105 drivers/soc/nuvoton/npcm-bpc.c 97 98 static __poll_t npcm_bpc_poll(struct file *file, struct poll_table_struct *pt) 99 { 100 struct npcm_bpc_channel *chan = npcm_file_to_ch(file); 101 __poll_t mask = 0; 102 103 poll_wait(file, &chan->wq, pt); 104 if (!kfifo_is_empty(&chan->fifo)) > 105 mask = (__poll_t)POLLIN; 106 107 if (chan->host_reset) { 108 mask |= (__poll_t)POLLHUP; 109 chan->host_reset = false; 110 } 111 112 return mask; 113 } 114 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki