Re: [PATCH v2 02/10] cxl/mbox: Add GET_FEATURE mailbox command

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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




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