On Tue, Dec 1, 2020 at 2:36 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > 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 A prototype needs to be added. I think, entire amdgpu_fw_attestation_debugfs_init() and future callers can be written under CONFIG_DEBUG_FS. > >> 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. CONFIG_DEBUG_FS is not enabled which triggers these warnings. > > 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
