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/20231121101844.1161-3-shiju.jose%40huawei.com patch subject: [PATCH v2 02/10] cxl/mbox: Add GET_FEATURE mailbox command config: arc-randconfig-r113-20231122 (https://download.01.org/0day-ci/archive/20231122/202311220635.mch7Y8LH-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231122/202311220635.mch7Y8LH-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/202311220635.mch7Y8LH-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) drivers/cxl/core/mbox.c:1319:31: 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:1319:31: sparse: expected unsigned int [usertype] size_out drivers/cxl/core/mbox.c:1319:31: sparse: got restricted __le32 [usertype] count >> drivers/cxl/core/mbox.c:1341:31: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int [usertype] size_out @@ got restricted __le16 [usertype] count @@ drivers/cxl/core/mbox.c:1341:31: sparse: expected unsigned int [usertype] size_out drivers/cxl/core/mbox.c:1341:31: sparse: got restricted __le16 [usertype] count >> drivers/cxl/core/mbox.c:1343:30: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int [usertype] min_out @@ got restricted __le16 [usertype] count @@ drivers/cxl/core/mbox.c:1343:30: sparse: expected unsigned int [usertype] min_out drivers/cxl/core/mbox.c:1343:30: sparse: got restricted __le16 [usertype] count vim +1341 drivers/cxl/core/mbox.c 1330 1331 int cxl_get_feature(struct cxl_memdev_state *mds, 1332 struct cxl_mbox_get_feat_in *pi, void *feat_out) 1333 { 1334 struct cxl_mbox_cmd mbox_cmd; 1335 int rc; 1336 1337 mbox_cmd = (struct cxl_mbox_cmd) { 1338 .opcode = CXL_MBOX_OP_GET_FEATURE, 1339 .size_in = sizeof(*pi), 1340 .payload_in = pi, > 1341 .size_out = pi->count, 1342 .payload_out = feat_out, > 1343 .min_out = pi->count, 1344 }; 1345 rc = cxl_internal_send_cmd(mds, &mbox_cmd); 1346 if (rc < 0) 1347 return rc; 1348 1349 return 0; 1350 } 1351 EXPORT_SYMBOL_NS_GPL(cxl_get_feature, CXL); 1352 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki