[l1k:doe 8/23] drivers/cxl/core/pci.c:495:23: sparse: sparse: incorrect type in initializer (different base types)

[l1k:doe 8/23] drivers/cxl/core/pci.c:495:23: sparse: sparse: incorrect type in initializer (different base types)

[kernel test robot]

tree:   https://github.com/l1k/linux doe
head:   6d855ec241ff68e65ed7badd7658c3e6d56b8da7
commit: 5d86c9625529753b42f36555b97e54fb2ab47050 [8/23] cxl/pci: Use synchronous API for DOE
config: arc-randconfig-s031-20230131 (https://download.01.org/0day-ci/archive/20230131/202301312132.GzeygYUG-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 12.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/l1k/linux/commit/5d86c9625529753b42f36555b97e54fb2ab47050
        git remote add l1k https://github.com/l1k/linux
        git fetch --no-tags l1k doe
        git checkout 5d86c9625529753b42f36555b97e54fb2ab47050
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arc SHELL=/bin/bash drivers/cxl/core/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

sparse warnings: (new ones prefixed by >>)
>> drivers/cxl/core/pci.c:495:23: sparse: sparse: incorrect type in initializer (different base types) @@     expected unsigned int [usertype] request @@     got restricted __le32 [usertype] @@
   drivers/cxl/core/pci.c:495:23: sparse:     expected unsigned int [usertype] request
   drivers/cxl/core/pci.c:495:23: sparse:     got restricted __le32 [usertype]
   drivers/cxl/core/pci.c:510:19: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:510:19: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:510:19: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:510:19: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:510:19: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:510:19: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:525:31: sparse: sparse: incorrect type in initializer (different base types) @@     expected unsigned int [usertype] request @@     got restricted __le32 [usertype] @@
   drivers/cxl/core/pci.c:525:31: sparse:     expected unsigned int [usertype] request
   drivers/cxl/core/pci.c:525:31: sparse:     got restricted __le32 [usertype]
   drivers/cxl/core/pci.c:546:43: sparse: sparse: cast to restricted __le16
   drivers/cxl/core/pci.c:546:43: sparse: sparse: cast to restricted __le16
   drivers/cxl/core/pci.c:546:43: sparse: sparse: cast to restricted __le16
   drivers/cxl/core/pci.c:546:43: sparse: sparse: cast to restricted __le16
   drivers/cxl/core/pci.c:550:32: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:550:32: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:550:32: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:550:32: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:550:32: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:550:32: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:550:32: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:550:32: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:550:32: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:550:32: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:550:32: sparse: sparse: cast to restricted __le32
   drivers/cxl/core/pci.c:550:32: sparse: sparse: cast to restricted __le32

vim +495 drivers/cxl/core/pci.c

   483	
   484	#define CDAT_DOE_REQ(entry_handle) cpu_to_le32				\
   485		(FIELD_PREP(CXL_DOE_TABLE_ACCESS_REQ_CODE,			\
   486			    CXL_DOE_TABLE_ACCESS_REQ_CODE_READ) |		\
   487		 FIELD_PREP(CXL_DOE_TABLE_ACCESS_TABLE_TYPE,			\
   488			    CXL_DOE_TABLE_ACCESS_TABLE_TYPE_CDATA) |		\
   489		 FIELD_PREP(CXL_DOE_TABLE_ACCESS_ENTRY_HANDLE, (entry_handle)))
   490	
   491	static int cxl_cdat_get_length(struct device *dev,
   492				       struct pci_doe_mb *cdat_doe,
   493				       size_t *length)
   494	{
 > 495		u32 request = CDAT_DOE_REQ(0);
   496		u32 response[32];
   497		int rc;
   498	
   499		rc = pci_doe(cdat_doe, PCI_DVSEC_VENDOR_ID_CXL,
   500			     CXL_DOE_PROTOCOL_TABLE_ACCESS,
   501			     &request, sizeof(request),
   502			     &response, sizeof(response));
   503		if (rc < 0) {
   504			dev_err(dev, "DOE failed: %d", rc);
   505			return rc;
   506		}
   507		if (rc < 2 * sizeof(u32))
   508			return -EIO;
   509	
   510		*length = le32_to_cpu(response[1]);
   511		dev_dbg(dev, "CDAT length %zu\n", *length);
   512	
   513		return 0;
   514	}
   515	

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