Hi Alex, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 1c86f90a16d413621918ae1403842b43632f0b3d commit: 19cc89dcb94b47a015fece85db685f1a2563a422 [2077/2270] drm/amdgpu/swsmu: drop smu i2c bus on navi1x config: arm64-randconfig-r004-20201028 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 50dfa19cc799ae7cddd39a95dbfce675a12672ad) 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=19cc89dcb94b47a015fece85db685f1a2563a422 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 19cc89dcb94b47a015fece85db685f1a2563a422 # 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/../pm/swsmu/smu11/navi10_ppt.c:2532:35: warning: unused variable 'navi10_i2c_algo' [-Wunused-const-variable] static const struct i2c_algorithm navi10_i2c_algo = { ^ 1 warning generated. vim +/navi10_i2c_algo +2532 drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/navi10_ppt.c 1bc734759f284eb drivers/gpu/drm/amd/powerplay/navi10_ppt.c Alex Deucher 2020-07-19 2530 1bc734759f284eb drivers/gpu/drm/amd/powerplay/navi10_ppt.c Alex Deucher 2020-07-19 2531 1bc734759f284eb drivers/gpu/drm/amd/powerplay/navi10_ppt.c Alex Deucher 2020-07-19 @2532 static const struct i2c_algorithm navi10_i2c_algo = { 1bc734759f284eb drivers/gpu/drm/amd/powerplay/navi10_ppt.c Alex Deucher 2020-07-19 2533 .master_xfer = navi10_i2c_xfer, 1bc734759f284eb drivers/gpu/drm/amd/powerplay/navi10_ppt.c Alex Deucher 2020-07-19 2534 .functionality = navi10_i2c_func, 1bc734759f284eb drivers/gpu/drm/amd/powerplay/navi10_ppt.c Alex Deucher 2020-07-19 2535 }; 1bc734759f284eb drivers/gpu/drm/amd/powerplay/navi10_ppt.c Alex Deucher 2020-07-19 2536 :::::: The code at line 2532 was first introduced by commit :::::: 1bc734759f284eb531dd474c72ce59874649a254 drm/amdgpu/navi1x: add SMU i2c support (v2) :::::: TO: Alex Deucher <alexander.deucher@xxxxxxx> :::::: CC: Alex Deucher <alexander.deucher@xxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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