Re: [PATCH v2 4/8] dma: dmamux: Introduce RZN1 DMA router support

[kernel test robot <lkp@intel.com>]

Hi Miquel,

I love your patch! Yet something to improve:

[auto build test ERROR on geert-renesas-devel/next]
[also build test ERROR on geert-renesas-drivers/renesas-clk robh/for-next linus/master v5.17-rc5 next-20220217]
[cannot apply to vkoul-dmaengine/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/Miquel-Raynal/RZN1-DMA-support/20220222-183549
base:   https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git next
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20220223/202202230444.xjzzeOlo-lkp@intel.com/config)
compiler: m68k-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/0day-ci/linux/commit/b62059e893c7e3779b96e1c69ae6818260d352de
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Miquel-Raynal/RZN1-DMA-support/20220222-183549
        git checkout b62059e893c7e3779b96e1c69ae6818260d352de
        # 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=m68k SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

ERROR: modpost: missing MODULE_LICENSE() in drivers/dma/dw/dmamux.o
>> ERROR: modpost: "r9a06g032_sysctrl_set_dmamux" [drivers/dma/dw/dmamux.ko] undefined!

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org