Re: [PATCH v3 2/3] ACPI, APEI, EINJ: Add CXL 1.1 EINJ error type support

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

Hi Ben,

kernel test robot noticed the following build warnings:

[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on linus/master v6.5 next-20230905]
[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/Ben-Cheatham/CXL-PCIE-Add-cxl_rcrb_addr-file-to-dport_dev/20230906-025405
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/20230905184406.135851-3-Benjamin.Cheatham%40amd.com
patch subject: [PATCH v3 2/3] ACPI, APEI, EINJ: Add CXL 1.1 EINJ error type support
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20230906/202309060439.NyMjpqql-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230906/202309060439.NyMjpqql-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309060439.NyMjpqql-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/cxl/cxl.h:11,
                    from drivers/cxl/cxlmem.h:9,
                    from drivers/cxl/core/port.c:11:
>> include/linux/cxl.h:12:19: warning: no previous prototype for 'cxl_find_rch_dport_by_rcrb' [-Wmissing-prototypes]
      12 | struct cxl_dport *cxl_find_rch_dport_by_rcrb(resource_size_t rcrb_base)
         |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/cxl/core/port.c:1125:19: error: redefinition of 'cxl_find_rch_dport_by_rcrb'
    1125 | struct cxl_dport *cxl_find_rch_dport_by_rcrb(resource_size_t rcrb_base)
         |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/cxl.h:12:19: note: previous definition of 'cxl_find_rch_dport_by_rcrb' with type 'struct cxl_dport *(resource_size_t)' {aka 'struct cxl_dport *(long long unsigned int)'}
      12 | struct cxl_dport *cxl_find_rch_dport_by_rcrb(resource_size_t rcrb_base)
         |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~
--
   In file included from drivers/cxl/cxl.h:11,
                    from drivers/cxl/cxlmem.h:9,
                    from drivers/cxl/core/pmem.c:6:
>> include/linux/cxl.h:12:19: warning: no previous prototype for 'cxl_find_rch_dport_by_rcrb' [-Wmissing-prototypes]
      12 | struct cxl_dport *cxl_find_rch_dport_by_rcrb(resource_size_t rcrb_base)
         |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/cxl_find_rch_dport_by_rcrb +12 include/linux/cxl.h

     8	
     9	#if IS_ENABLED(CONFIG_CXL_ACPI)
    10	struct cxl_dport *cxl_find_rch_dport_by_rcrb(resource_size_t rcrb_base);
    11	#else
  > 12	struct cxl_dport *cxl_find_rch_dport_by_rcrb(resource_size_t rcrb_base)
    13	{
    14		return NULL;
    15	}
    16	#endif
    17	

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