Hi Olivier, I love your patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on vkoul-dmaengine/next linux/master linus/master v5.12 next-20210429] [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/Olivier-Dautricourt/dt-bindings-dma-add-schema-for-altr-msgdma/20210429-153100 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: x86_64-randconfig-a014-20210429 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9131a078901b00e68248a27a4f8c4b11bb1db1ae) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/d236d651cdf2990a9bcba2230405a3c9e7553bd7 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Olivier-Dautricourt/dt-bindings-dma-add-schema-for-altr-msgdma/20210429-153100 git checkout d236d651cdf2990a9bcba2230405a3c9e7553bd7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 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/dma/altera-msgdma.c:938:34: warning: unused variable 'msgdma_match' [-Wunused-const-variable] static const struct of_device_id msgdma_match[] = { ^ 1 warning generated. vim +/msgdma_match +938 drivers/dma/altera-msgdma.c 937 > 938 static const struct of_device_id msgdma_match[] = { 939 { .compatible = "altr,msgdma",}, 940 { } 941 }; 942 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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