[radeon-alex:amd-staging-drm-next 228/272] drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c:130:6: warning: no previous prototype for function 'amdgpu_fw_attestation_debugfs_init'

[kernel test robot]

tree:   git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next
head:   3458ef3969082647e64825452b8bfd06ee7c3351
commit: f439de91652a689740663abd1111cb72f7f015f7 [228/272] drm/amdgpu: added support for psp fw attestation
config: x86_64-randconfig-a004-20201026 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project f2c25c70791de95d2466e09b5b58fc37f6ccd7a4)
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 radeon-alex git://people.freedesktop.org/~agd5f/linux.git
        git fetch --no-tags radeon-alex amd-staging-drm-next
        git checkout f439de91652a689740663abd1111cb72f7f015f7
        # 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 at intel.com>

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c:130:6: warning: no previous prototype for function 'amdgpu_fw_attestation_debugfs_init' [-Wmissing-prototypes]
   void amdgpu_fw_attestation_debugfs_init(struct amdgpu_device *adev)
        ^
   drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c:130:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void amdgpu_fw_attestation_debugfs_init(struct amdgpu_device *adev)
   ^
   static 
   1 warning generated.

vim +/amdgpu_fw_attestation_debugfs_init +130 drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c

   129	
 > 130	void amdgpu_fw_attestation_debugfs_init(struct amdgpu_device *adev)

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