Hi Mikko, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on tegra-drm/drm/tegra/for-next] [also build test WARNING on v5.13-rc3 next-20210528] [cannot apply to tegra/for-next] [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/TegraDRM-UAPI/20210530-205239 base: git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next config: arm-randconfig-r015-20210530 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project bc6799f2f79f0ae87e9f1ebf9d25ba799fbd25a9) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/0day-ci/linux/commit/5de49ce9211cbf0fbbfeb200e72ce934f4574d4b git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Mikko-Perttunen/TegraDRM-UAPI/20210530-205239 git checkout 5de49ce9211cbf0fbbfeb200e72ce934f4574d4b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm 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/host1x/fence.c:170:5: warning: no previous prototype for function 'host1x_fence_create_fd' [-Wmissing-prototypes] int host1x_fence_create_fd(struct host1x_syncpt *sp, u32 threshold) ^ drivers/gpu/host1x/fence.c:170:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int host1x_fence_create_fd(struct host1x_syncpt *sp, u32 threshold) ^ static 1 warning generated. vim +/host1x_fence_create_fd +170 drivers/gpu/host1x/fence.c 169 > 170 int host1x_fence_create_fd(struct host1x_syncpt *sp, u32 threshold) 171 { 172 struct sync_file *file; 173 struct dma_fence *f; 174 int fd; 175 176 f = host1x_fence_create(sp, threshold); 177 if (IS_ERR(f)) 178 return PTR_ERR(f); 179 180 fd = get_unused_fd_flags(O_CLOEXEC); 181 if (fd < 0) { 182 dma_fence_put(f); 183 return fd; 184 } 185 186 file = sync_file_create(f); 187 dma_fence_put(f); 188 if (!file) 189 return -ENOMEM; 190 191 fd_install(fd, file->file); 192 193 return fd; 194 } 195 EXPORT_SYMBOL(host1x_fence_create_fd); 196 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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