Re: [PATCH v3 02/11] 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 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/20231123174355.1176-3-shiju.jose%40huawei.com
patch subject: [PATCH v3 02/11] cxl/mbox: Add GET_FEATURE mailbox command
config: i386-randconfig-061-20231124 (https://download.01.org/0day-ci/archive/20231124/202311241607.cZbPFKOR-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/20231124/202311241607.cZbPFKOR-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/202311241607.cZbPFKOR-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
   drivers/cxl/core/mbox.c:1317:30: sparse: sparse: cast from restricted __le32
>> drivers/cxl/core/mbox.c:1339:30: sparse: sparse: cast from restricted __le16
   drivers/cxl/core/mbox.c:1341:29: sparse: sparse: cast from restricted __le16

vim +1339 drivers/cxl/core/mbox.c

  1328	
  1329	int cxl_get_feature(struct cxl_memdev_state *mds,
  1330			    struct cxl_mbox_get_feat_in *pi, void *feat_out)
  1331	{
  1332		struct cxl_mbox_cmd mbox_cmd;
  1333		int rc;
  1334	
  1335		mbox_cmd = (struct cxl_mbox_cmd) {
  1336			.opcode = CXL_MBOX_OP_GET_FEATURE,
  1337			.size_in = sizeof(*pi),
  1338			.payload_in = pi,
> 1339			.size_out = (size_t)pi->count,
  1340			.payload_out = feat_out,
  1341			.min_out = (size_t)pi->count,
  1342		};
  1343		rc = cxl_internal_send_cmd(mds, &mbox_cmd);
  1344		if (rc < 0)
  1345			return rc;
  1346	
  1347		return 0;
  1348	}
  1349	EXPORT_SYMBOL_NS_GPL(cxl_get_feature, CXL);
  1350	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki




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