[chrome-os:chromeos-5.4 73/95] drivers/gpu/drm/i915/pxp/intel_pxp_arb.c:68:5: error: no previous prototype for function 'intel_pxp_arb_reserve_session'

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

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tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4
head:   3bcd4679fc532f4c96b4f4a3e8caaf13a9f62ca6
commit: b37b929e31777fdb4bde7aef8e1bbaf56017b793 [73/95] FROMLIST: drm/i915/pxp: Create the arbitrary session after boot
config: x86_64-randconfig-r002-20201224 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cee1e7d14f4628d6174b33640d502bff3b54ae45)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel
        git fetch --no-tags chrome-os chromeos-5.4
        git checkout b37b929e31777fdb4bde7aef8e1bbaf56017b793
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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 >>):

>> drivers/gpu/drm/i915/pxp/intel_pxp_arb.c:68:5: error: no previous prototype for function 'intel_pxp_arb_reserve_session' [-Werror,-Wmissing-prototypes]
   int intel_pxp_arb_reserve_session(struct intel_pxp *pxp)
       ^
   drivers/gpu/drm/i915/pxp/intel_pxp_arb.c:68:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int intel_pxp_arb_reserve_session(struct intel_pxp *pxp)
   ^
   static 
   1 error generated.


vim +/intel_pxp_arb_reserve_session +68 drivers/gpu/drm/i915/pxp/intel_pxp_arb.c

    67	
  > 68	int intel_pxp_arb_reserve_session(struct intel_pxp *pxp)
    69	{
    70		int ret;
    71	
    72		lockdep_assert_held(&pxp->ctx.mutex);
    73	
    74		arb_session_entry_init(pxp);
    75		ret = wait_arb_hw_sw_state(pxp);
    76	
    77		return ret;
    78	}
    79	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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