tree:   https://kernel.googlesource.com/pub/scm/linux/kernel/git/gregkh/staging.git staging-testing
head:   74eb9c06b1d722468db397595ac6834b9e4ac235
commit: 473d12f7638c93acbd9296a8cd455b203d5eb528 [314/401] iio: hid-sensor-attributes: Convert to use int_pow()
config: m68k-allmodconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 473d12f7638c93acbd9296a8cd455b203d5eb528
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=m68k 

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

All errors (new ones prefixed by >>):

>> ERROR: "__udivdi3" [drivers/iio/common/hid-sensors/hid-sensor-iio-common.ko] undefined!
>> ERROR: "__umoddi3" [drivers/iio/common/hid-sensors/hid-sensor-iio-common.ko] undefined!

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0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation