ERROR: "clk_get_parent" undefined!

[kernel test robot]

Hi Mathias,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   aa0c9086b40c17a7ad94425b3b70dd1fdd7497bf
commit: d62e7fbea4951c124a24176da0c7bf3003ec53d4 pinctrl: falcon: fix syntax error
date:   4 months ago
config: mips-randconfig-r014-20200711 (attached as .config)
compiler: mips-linux-gcc (GCC) 9.3.0
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
        git checkout d62e7fbea4951c124a24176da0c7bf3003ec53d4
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips 

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

All errors (new ones prefixed by >>):

>> ERROR: "clk_get_parent" [drivers/iio/adc/ingenic-adc.ko] undefined!

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

Attachment: .config.gz
Description: application/gzip