[Intel-gfx] [PATCH v2 4/5] drm/i915/mtl/gsc: Add a gsc_info debugfs

[kernel test robot]

Hi Daniele,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm-tip/drm-tip]

url:    https://github.com/intel-lab-lkp/linux/commits/Daniele-Ceraolo-Spurio/drm-i915-gsc-fixes-and-updates-for-GSC-memory-allocation/20230606-102510
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
patch link:    https://lore.kernel.org/r/20230606022402.2048235-5-daniele.ceraolospurio%40intel.com
patch subject: [Intel-gfx] [PATCH v2 4/5] drm/i915/mtl/gsc: Add a gsc_info debugfs
config: i386-randconfig-i015-20230606 (https://download.01.org/0day-ci/archive/20230606/202306061505.rzhdExYJ-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add drm-tip git://anongit.freedesktop.org/drm/drm-tip
        git fetch drm-tip drm-tip
        git checkout drm-tip/drm-tip
        b4 shazam https://lore.kernel.org/r/20230606022402.2048235-5-daniele.ceraolospurio@intel.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/i915/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306061505.rzhdExYJ-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/i915/gt/uc/intel_gsc_uc_debugfs.c:28:6: warning: no previous prototype for function 'intel_gsc_uc_debugfs_register' [-Wmissing-prototypes]
   void intel_gsc_uc_debugfs_register(struct intel_gsc_uc *gsc_uc, struct dentry *root)
        ^
   drivers/gpu/drm/i915/gt/uc/intel_gsc_uc_debugfs.c:28:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void intel_gsc_uc_debugfs_register(struct intel_gsc_uc *gsc_uc, struct dentry *root)
   ^
   static 
   1 warning generated.


vim +/intel_gsc_uc_debugfs_register +28 drivers/gpu/drm/i915/gt/uc/intel_gsc_uc_debugfs.c

    27	
  > 28	void intel_gsc_uc_debugfs_register(struct intel_gsc_uc *gsc_uc, struct dentry *root)

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