Re: [PATCH v2 3/5] cxl/pci: Find and register CXL PMU devices

[kernel test robot <lkp@intel.com>]

Hi Jonathan,

I love your patch! Yet something to improve:

[auto build test ERROR on acme/perf/core]
[also build test ERROR on tip/perf/core]
[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/Jonathan-Cameron/cxl-Add-function-to-count-regblocks-of-a-given-type/20230325-011827
base:   https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git perf/core
patch link:    https://lore.kernel.org/r/20230324171313.18448-4-Jonathan.Cameron%40huawei.com
patch subject: [PATCH v2 3/5] cxl/pci: Find and register CXL PMU devices
config: arm-randconfig-r023-20230322 (https://download.01.org/0day-ci/archive/20230325/202303250419.FANh4fIC-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/intel-lab-lkp/linux/commit/ab99ab31e5c4aa9f68425f3505f22a790d64bfe9
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Jonathan-Cameron/cxl-Add-function-to-count-regblocks-of-a-given-type/20230325-011827
        git checkout ab99ab31e5c4aa9f68425f3505f22a790d64bfe9
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/cxl/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303250419.FANh4fIC-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/cxl/core/port.c:60:20: error: use of undeclared identifier 'cxl_cpmu_type'; did you mean 'cxl_bus_type'?
           if (dev->type == &cxl_cpmu_type)
                             ^~~~~~~~~~~~~
                             cxl_bus_type
   drivers/cxl/cxl.h:732:24: note: 'cxl_bus_type' declared here
   extern struct bus_type cxl_bus_type;
                          ^
   1 error generated.


vim +60 drivers/cxl/core/port.c

    40	
    41	static int cxl_device_id(const struct device *dev)
    42	{
    43		if (dev->type == &cxl_nvdimm_bridge_type)
    44			return CXL_DEVICE_NVDIMM_BRIDGE;
    45		if (dev->type == &cxl_nvdimm_type)
    46			return CXL_DEVICE_NVDIMM;
    47		if (dev->type == CXL_PMEM_REGION_TYPE())
    48			return CXL_DEVICE_PMEM_REGION;
    49		if (dev->type == CXL_DAX_REGION_TYPE())
    50			return CXL_DEVICE_DAX_REGION;
    51		if (is_cxl_port(dev)) {
    52			if (is_cxl_root(to_cxl_port(dev)))
    53				return CXL_DEVICE_ROOT;
    54			return CXL_DEVICE_PORT;
    55		}
    56		if (is_cxl_memdev(dev))
    57			return CXL_DEVICE_MEMORY_EXPANDER;
    58		if (dev->type == CXL_REGION_TYPE())
    59			return CXL_DEVICE_REGION;
  > 60		if (dev->type == &cxl_cpmu_type)
    61			return CXL_DEVICE_CPMU;
    62		return 0;
    63	}
    64	

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