Hi Mikko, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on tegra/for-next] [also build test WARNING on linus/master v5.10-rc4] [cannot apply to tegra-drm/drm/tegra/for-next next-20201120] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Mikko-Perttunen/Host1x-TegraDRM-UAPI/20201120-192927 base: https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux.git for-next config: arm64-randconfig-r022-20201120 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 3ded927cf80ac519f9f9c4664fef08787f7c537d) 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://github.com/0day-ci/linux/commit/2b3b62240ac675fb308bbb5acbd68187f940d1e7 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Mikko-Perttunen/Host1x-TegraDRM-UAPI/20201120-192927 git checkout 2b3b62240ac675fb308bbb5acbd68187f940d1e7 # 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/tegra/uapi/uapi.c:62:5: warning: no previous prototype for function 'close_channel_ctx' [-Wmissing-prototypes] int close_channel_ctx(int id, void *p, void *data) ^ drivers/gpu/drm/tegra/uapi/uapi.c:62:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int close_channel_ctx(int id, void *p, void *data) ^ static 1 warning generated. vim +/close_channel_ctx +62 drivers/gpu/drm/tegra/uapi/uapi.c 61 > 62 int close_channel_ctx(int id, void *p, void *data) 63 { 64 struct tegra_drm_channel_ctx *ctx = p; 65 66 tegra_drm_channel_ctx_close(ctx); 67 68 return 0; 69 } 70 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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