[chanwoo:devfreq-testing 20/28] thermal_core.c:(.text+0x19fc): multiple definition of `devfreq_get_devfreq_by_node'

[chanwoo:devfreq-testing 20/28] thermal_core.c:(.text+0x19fc): multiple definition of `devfreq_get_devfreq_by_node'

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git devfreq-testing
head:   575b59f30991f771d4264cbb177081750c966513
commit: c36532e81161e032b8706193ca065130fd2646a0 [20/28] PM / devfreq: Add devfreq_get_devfreq_by_node function
config: arm-dove_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout c36532e81161e032b8706193ca065130fd2646a0
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=arm 

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

All errors (new ones prefixed by >>):

   drivers/thermal/thermal_core.o: In function `devfreq_get_devfreq_by_node':
>> thermal_core.c:(.text+0x19fc): multiple definition of `devfreq_get_devfreq_by_node'
   drivers/base/power/main.o:main.c:(.text+0x186c): first defined here
   drivers/thermal/thermal_helpers.o: In function `devfreq_get_devfreq_by_node':
   thermal_helpers.c:(.text+0x3ac): multiple definition of `devfreq_get_devfreq_by_node'
   drivers/base/power/main.o:main.c:(.text+0x186c): first defined here
   drivers/thermal/step_wise.o: In function `devfreq_get_devfreq_by_node':
   step_wise.c:(.text+0x318): multiple definition of `devfreq_get_devfreq_by_node'
   drivers/base/power/main.o:main.c:(.text+0x186c): first defined here

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation

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