[esmil:visionfive 51/57] ERROR: modpost: "arch_setup_dma_ops" [drivers/dma/dw-axi-dmac-starfive/starfive_dmaengine_memcpy.ko] undefined!

[kernel test robot]

tree:   https://github.com/esmil/linux visionfive
head:   3fabc8e79a0012b6b04a227e21eef1b9669b3714
commit: b996fedff267cdd89e73c0ed5c8743532e322238 [51/57] RISC-V: Support non-coherent DMA operations
config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20220605/202206050413.DJFBanVZ-lkp@xxxxxxxxx/config)
compiler: riscv64-linux-gcc (GCC) 11.3.0
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/b996fedff267cdd89e73c0ed5c8743532e322238
        git remote add esmil https://github.com/esmil/linux
        git fetch --no-tags esmil visionfive
        git checkout b996fedff267cdd89e73c0ed5c8743532e322238
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

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
>> ERROR: modpost: "arch_setup_dma_ops" [drivers/dma/dw-axi-dmac-starfive/starfive_dmaengine_memcpy.ko] undefined!

-- 
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https://01.org/lkp