Hi Matti,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on ljones-mfd/for-mfd-next]
[also build test ERROR on v5.4-rc5 next-20191031]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Matti-Vaittinen/Support-ROHM-BD71828-PMIC/20191102-222004
base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
config: arm64-allyesconfig (attached as .config)
compiler: aarch64-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
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=arm64 

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

All errors (new ones prefixed by >>):

>> drivers/mfd/rohm-bd71828.o:(.bss+0x40): multiple definition of `bit7_offsets'
   drivers/mfd/rohm-bd70528.o:(.data+0xe80): first defined here
>> drivers/mfd/rohm-bd71828.o:(.data+0x1140): multiple definition of `bit6_offsets'
   drivers/mfd/rohm-bd70528.o:(.data+0xec0): first defined here
>> drivers/mfd/rohm-bd71828.o:(.data+0x1180): multiple definition of `bit5_offsets'
   drivers/mfd/rohm-bd70528.o:(.data+0xf00): first defined here
>> drivers/mfd/rohm-bd71828.o:(.data+0x11c0): multiple definition of `bit4_offsets'
   drivers/mfd/rohm-bd70528.o:(.data+0xf40): first defined here
>> drivers/mfd/rohm-bd71828.o:(.data+0x1200): multiple definition of `bit3_offsets'
   drivers/mfd/rohm-bd70528.o:(.data+0xf80): first defined here
>> drivers/mfd/rohm-bd71828.o:(.data+0x1240): multiple definition of `bit2_offsets'
   drivers/mfd/rohm-bd70528.o:(.data+0xfc0): first defined here
>> drivers/mfd/rohm-bd71828.o:(.data+0x1280): multiple definition of `bit1_offsets'
   drivers/mfd/rohm-bd70528.o:(.data+0x1000): first defined here
>> drivers/mfd/rohm-bd71828.o:(.data+0x12c0): multiple definition of `bit0_offsets'
   drivers/mfd/rohm-bd70528.o:(.bss+0x80): first defined here

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