Hi Sergey,

I love your patch! Yet something to improve:

[auto build test ERROR on v5.9-rc2]
[cannot apply to wsa/i2c/for-next next-20200826]
[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/Sergey-Senozhatsky/i2c-consider-devices-with-of_match_table-during-i2c-device-probing/20200826-123138
base:    d012a7190fc1fd72ed48911e77ca97ba4521bccd
config: arc-randconfig-r026-20200826 (attached as .config)
compiler: arceb-elf-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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

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

All errors (new ones prefixed by >>):

   arceb-elf-ld: drivers/i2c/i2c-core-smbus.o: in function `i2c_acpi_match_device':
>> drivers/i2c/i2c-core.h:71: multiple definition of `i2c_acpi_match_device'; drivers/i2c/i2c-core-base.o:drivers/i2c/i2c-core.h:71: first defined here
   arceb-elf-ld: drivers/i2c/i2c-core-slave.o: in function `i2c_acpi_match_device':
>> drivers/i2c/i2c-core.h:71: multiple definition of `i2c_acpi_match_device'; drivers/i2c/i2c-core-base.o:drivers/i2c/i2c-core.h:71: first defined here
   arceb-elf-ld: drivers/i2c/i2c-core-of.o: in function `i2c_acpi_match_device':
>> drivers/i2c/i2c-core.h:71: multiple definition of `i2c_acpi_match_device'; drivers/i2c/i2c-core-base.o:drivers/i2c/i2c-core.h:71: first defined here

# https://github.com/0day-ci/linux/commit/8cfc5676303d021ce274c0b608cac342b4aeda55
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Sergey-Senozhatsky/i2c-consider-devices-with-of_match_table-during-i2c-device-probing/20200826-123138
git checkout 8cfc5676303d021ce274c0b608cac342b4aeda55
vim +71 drivers/i2c/i2c-core.h

16c9db1dd84cef Charles Keepax     2019-06-27  64  
16c9db1dd84cef Charles Keepax     2019-06-27  65  int i2c_acpi_get_irq(struct i2c_client *client);
53f8f7c5cf145d Wolfram Sang       2017-05-23  66  #else /* CONFIG_ACPI */
53f8f7c5cf145d Wolfram Sang       2017-05-23  67  static inline void i2c_acpi_register_devices(struct i2c_adapter *adap) { }
8cfc5676303d02 Sergey Senozhatsky 2020-08-26  68  bool i2c_acpi_match_device(struct device *dev, struct i2c_client *client)
c64ffff7a9d1ee Andy Shevchenko    2017-07-17  69  {
8cfc5676303d02 Sergey Senozhatsky 2020-08-26  70  	return false;
c64ffff7a9d1ee Andy Shevchenko    2017-07-17 @71  }
16c9db1dd84cef Charles Keepax     2019-06-27  72  

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