Hi John, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: c6b11acc5f85b6e11d128fad8e0b7b223aa7e33f commit: 19ae333001b375bbc7d1ff9eaa9cbb0a72fff65e [1048/9613] drm/amdgpu: added support for psp fw attestation config: arm64-randconfig-r006-20201201 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project ac40a2d8f16b8a8c68fc811d67f647740e965cb8) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=19ae333001b375bbc7d1ff9eaa9cbb0a72fff65e git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 19ae333001b375bbc7d1ff9eaa9cbb0a72fff65e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> 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 >> drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c:115:37: warning: unused variable 'amdgpu_fw_attestation_debugfs_ops' [-Wunused-const-variable] static const struct file_operations amdgpu_fw_attestation_debugfs_ops = { ^ drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c:122:12: warning: unused function 'amdgpu_is_fw_attestation_supported' [-Wunused-function] static int amdgpu_is_fw_attestation_supported(struct amdgpu_device *adev) ^ 3 warnings generated. vim +/amdgpu_fw_attestation_debugfs_ops +115 drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c 114 > 115 static const struct file_operations amdgpu_fw_attestation_debugfs_ops = { 116 .owner = THIS_MODULE, 117 .read = amdgpu_fw_attestation_debugfs_read, 118 .write = NULL, 119 .llseek = default_llseek 120 }; 121 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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