Hi, kernel test robot noticed the following build warnings: [auto build test WARNING on krzk-mem-ctrl/for-next] [also build test WARNING on linus/master v6.7-rc2 next-20231124] [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/shiju-jose-huawei-com/cxl-mbox-Add-GET_SUPPORTED_FEATURES-mailbox-command/20231124-014622 base: https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl.git for-next patch link: https://lore.kernel.org/r/20231123174355.1176-2-shiju.jose%40huawei.com patch subject: [PATCH v3 01/11] cxl/mbox: Add GET_SUPPORTED_FEATURES mailbox command config: i386-randconfig-061-20231124 (https://download.01.org/0day-ci/archive/20231124/202311241526.R8n6AibH-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/20231124/202311241526.R8n6AibH-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/202311241526.R8n6AibH-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/cxl/core/mbox.c:1317:30: sparse: sparse: cast from restricted __le32 vim +1317 drivers/cxl/core/mbox.c 1305 1306 int cxl_get_supported_features(struct cxl_memdev_state *mds, 1307 struct cxl_mbox_get_supp_feats_in *pi, 1308 void *feats_out) 1309 { 1310 struct cxl_mbox_cmd mbox_cmd; 1311 int rc; 1312 1313 mbox_cmd = (struct cxl_mbox_cmd) { 1314 .opcode = CXL_MBOX_OP_GET_SUPPORTED_FEATURES, 1315 .size_in = sizeof(*pi), 1316 .payload_in = pi, > 1317 .size_out = (size_t)pi->count, 1318 .payload_out = feats_out, 1319 .min_out = sizeof(struct cxl_mbox_get_supp_feats_out), 1320 }; 1321 rc = cxl_internal_send_cmd(mds, &mbox_cmd); 1322 if (rc < 0) 1323 return rc; 1324 1325 return 0; 1326 } 1327 EXPORT_SYMBOL_NS_GPL(cxl_get_supported_features, CXL); 1328 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki