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@xxxxxxxxx> 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@xxxxxxxxxxxx
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