[intel-gvt:topic/for-christoph 1/37] drivers/gpu/drm/i915/intel_gvt.h:69:5: error: no previous prototype for function 'intel_gvt_iterate_mmio_table'

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

tree:   https://github.com/intel/gvt-linux.git topic/for-christoph
head:   fd6f410fe5eced449a4d6467a4f4789a8eb10382
commit: 07de96038f7d8a179287ae178dfcad8f085abb9e [1/37] i915/gvt: Separate the MMIO tracking table from GVT-g
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220416/202204161634.p6DDJoeT-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 64c045e25b8471bbb572bd29159c294a82a86a25)
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
        # https://github.com/intel/gvt-linux/commit/07de96038f7d8a179287ae178dfcad8f085abb9e
        git remote add intel-gvt https://github.com/intel/gvt-linux.git
        git fetch --no-tags intel-gvt topic/for-christoph
        git checkout 07de96038f7d8a179287ae178dfcad8f085abb9e
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/

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

All errors (new ones prefixed by >>):

   In file included from <built-in>:4:
   In file included from drivers/gpu/drm/i915/gvt/gvt.h:39:
>> drivers/gpu/drm/i915/intel_gvt.h:69:5: error: no previous prototype for function 'intel_gvt_iterate_mmio_table' [-Werror,-Wmissing-prototypes]
   int intel_gvt_iterate_mmio_table(struct intel_gvt_mmio_table_iter *iter)
       ^
   drivers/gpu/drm/i915/intel_gvt.h:69:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int intel_gvt_iterate_mmio_table(struct intel_gvt_mmio_table_iter *iter)
   ^
   static 
   1 error generated.


vim +/intel_gvt_iterate_mmio_table +69 drivers/gpu/drm/i915/intel_gvt.h

    68	
  > 69	int intel_gvt_iterate_mmio_table(struct intel_gvt_mmio_table_iter *iter)
    70	{
    71		return 0;
    72	}
    73	#endif
    74	

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