tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f757165705e92db62f85a1ad287e9251d1f2cd82
commit: 057b52b4b3d58f4ee5944171da50f77b00a1bb0d watchdog: da9062: make restart handler atomic safe
date:   12 days ago
config: i386-randconfig-b001-20200208 (attached as .config)
compiler: gcc-7 (Debian 7.5.0-3) 7.5.0
reproduce:
        git checkout 057b52b4b3d58f4ee5944171da50f77b00a1bb0d
        # save the attached .config to linux build tree
        make ARCH=i386 

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

All errors (new ones prefixed by >>):

   ld: drivers/watchdog/da9062_wdt.o: in function `da9062_wdt_restart':
>> da9062_wdt.c:(.text+0x1c): undefined reference to `i2c_smbus_write_byte_data'

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