drivers/cxl/mem.c:223:1: warning: There is an unknown macro here somewhere. Configuration is required. If __stringify is a macro then please configure it. [unknownMacro]

drivers/cxl/mem.c:223:1: warning: There is an unknown macro here somewhere. Configuration is required. If __stringify is a macro then please configure it. [unknownMacro]

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 1369 bytes --]

CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
CC: linux-kernel(a)vger.kernel.org
TO: Ben Widawsky <ben.widawsky@intel.com>
CC: Dan Williams <dan.j.williams@intel.com>
CC: Jonathan Cameron <Jonathan.Cameron@huawei.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   be2d3ecedd9911fbfd7e55cc9ceac5f8b79ae4cf
commit: 8dd2bc0f8e02d39bd80851ca787bcbdb7d495e69 cxl/mem: Add the cxl_mem driver
date:   8 weeks ago
:::::: branch date: 7 hours ago
:::::: commit date: 8 weeks ago
compiler: aarch64-linux-gcc (GCC) 11.2.0

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


cppcheck possible warnings: (new ones prefixed by >>, may not real problems)

>> drivers/cxl/mem.c:223:1: warning: There is an unknown macro here somewhere. Configuration is required. If __stringify is a macro then please configure it. [unknownMacro]
   MODULE_ALIAS_CXL(CXL_DEVICE_MEMORY_EXPANDER);
   ^

vim +223 drivers/cxl/mem.c

8dd2bc0f8e02d3 Ben Widawsky 2022-02-04  220  
8dd2bc0f8e02d3 Ben Widawsky 2022-02-04  221  MODULE_LICENSE("GPL v2");
8dd2bc0f8e02d3 Ben Widawsky 2022-02-04  222  MODULE_IMPORT_NS(CXL);
8dd2bc0f8e02d3 Ben Widawsky 2022-02-04 @223  MODULE_ALIAS_CXL(CXL_DEVICE_MEMORY_EXPANDER);

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp