tree: https://github.com/esmil/linux visionfive head: e46c3a7e373e6faa03399f1a41c29cf7546c37cb commit: 3a5dd7a266966a7d41fcc6335af9329664d901d0 [76/80] RISC-V: Support non-coherent DMA operations config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20220119/202201191504.JricJykh-lk...) compiler: riscv64-linux-gcc (GCC) 11.2.0 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 # https://github.com/esmil/linux/commit/3a5dd7a266966a7d41fcc6335af9329664d... git remote add esmil https://github.com/esmil/linux git fetch --no-tags esmil visionfive git checkout 3a5dd7a266966a7d41fcc6335af9329664d901d0 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=riscv SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): ERROR: modpost: missing MODULE_LICENSE() in drivers/dma/dw-axi-dmac-starfive/starfive_dmaengine_memcpy.o --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org