Hi, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.7-rc2 next-20231121] [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/20231121-182247 base: linus/master patch link: https://lore.kernel.org/r/20231121101844.1161-2-shiju.jose%40huawei.com patch subject: [PATCH v2 01/10] cxl/mbox: Add GET_SUPPORTED_FEATURES mailbox command config: arc-randconfig-r113-20231122 (https://download.01.org/0day-ci/archive/20231122/202311220525.o2AUzf97-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231122/202311220525.o2AUzf97-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/202311220525.o2AUzf97-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/cxl/core/mbox.c:1318:31: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int [usertype] size_out @@ got restricted __le32 [usertype] count @@ drivers/cxl/core/mbox.c:1318:31: sparse: expected unsigned int [usertype] size_out drivers/cxl/core/mbox.c:1318:31: sparse: got restricted __le32 [usertype] count vim +1318 drivers/cxl/core/mbox.c 1306 1307 int cxl_get_supported_features(struct cxl_memdev_state *mds, 1308 struct cxl_mbox_get_supp_feats_in *pi, 1309 void *feats_out) 1310 { 1311 struct cxl_mbox_cmd mbox_cmd; 1312 int rc; 1313 1314 mbox_cmd = (struct cxl_mbox_cmd) { 1315 .opcode = CXL_MBOX_OP_GET_SUPPORTED_FEATURES, 1316 .size_in = sizeof(*pi), 1317 .payload_in = pi, > 1318 .size_out = pi->count, 1319 .payload_out = feats_out, 1320 .min_out = sizeof(struct cxl_mbox_get_supp_feats_out), 1321 }; 1322 rc = cxl_internal_send_cmd(mds, &mbox_cmd); 1323 if (rc < 0) 1324 return rc; 1325 1326 return 0; 1327 } 1328 EXPORT_SYMBOL_NS_GPL(cxl_get_supported_features, CXL); 1329 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki