Hi Michael, I love your patch! Perhaps something to improve: [auto build test WARNING on media-tree/master] [also build test WARNING on robh/for-next linus/master v5.15-rc7 next-20211025] [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/Michael-Tretter/media-i2c-isl7998x-Add-driver-for-Intersil-ISL7998x/20211022-000354 base: git://linuxtv.org/media_tree.git master config: riscv-randconfig-r005-20211025 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project a461fa64bb37cffd73f683c74f6b0780379fc2ca) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/0day-ci/linux/commit/014607ac2112aed988e4b5c715585fbc9f143d80 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Michael-Tretter/media-i2c-isl7998x-Add-driver-for-Intersil-ISL7998x/20211022-000354 git checkout 014607ac2112aed988e4b5c715585fbc9f143d80 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=riscv 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/media/i2c/isl7998x.c:520:8: warning: 'const' type qualifier on return type has no effect [-Wignored-qualifiers] static const unsigned int isl7998x_norm_to_val(v4l2_std_id norm) ^~~~~~ 1 warning generated. vim +/const +520 drivers/media/i2c/isl7998x.c 519 > 520 static const unsigned int isl7998x_norm_to_val(v4l2_std_id norm) 521 { 522 unsigned int i; 523 524 for (i = 0; i < ARRAY_SIZE(isl7998x_std_res); i++) 525 if (isl7998x_std_res[i].norm & norm) 526 return isl7998x_std_res[i].id; 527 528 return 7; 529 } 530 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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