Re: [PATCH 4/4] power: supply: rn5t618: Add voltage_now property

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

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Hi Andreas,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on power-supply/for-next]
[also build test ERROR on next-20210701]
[cannot apply to lee-mfd/for-mfd-next iio/togreg robh/for-next v5.13]
[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/Andreas-Kemnade/mfd-rn5t618-Extend-ADC-support/20210703-164312
base:   https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git for-next
config: i386-randconfig-c021-20210703 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/99953e2eb9d653eb8bc74eb482cef7c9fb4e69d7
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Andreas-Kemnade/mfd-rn5t618-Extend-ADC-support/20210703-164312
        git checkout 99953e2eb9d653eb8bc74eb482cef7c9fb4e69d7
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 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 >>):

   ld: drivers/regulator/bd71815-regulator.o: in function `set_hw_dvs_levels':
   bd71815-regulator.c:(.text+0xbf): undefined reference to `rohm_regulator_set_dvs_levels'
   ld: drivers/regulator/bd71815-regulator.o: in function `buck12_set_hw_dvs_levels':
   bd71815-regulator.c:(.text+0x2be): undefined reference to `rohm_regulator_set_dvs_levels'
   ld: drivers/power/supply/rn5t618_power.o: in function `rn5t618_adp_get_property':
>> rn5t618_power.c:(.text+0x34d): undefined reference to `iio_read_channel_processed'
   ld: drivers/power/supply/rn5t618_power.o: in function `rn5t618_power_probe':
>> rn5t618_power.c:(.text+0x4a8): undefined reference to `devm_iio_channel_get'
>> ld: rn5t618_power.c:(.text+0x4c2): undefined reference to `devm_iio_channel_get'
   ld: drivers/power/supply/rn5t618_power.o: in function `rn5t618_usb_get_property':
   rn5t618_power.c:(.text+0x79d): undefined reference to `iio_read_channel_processed'

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

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