arch/mips/alchemy/devboards/db1300.c:(.text.db1300_wm97xx_probe+0x2c): undefined reference to `wm97xx_config_gpio'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0aea6d5c5be33ce94c16f9ab2f64de1f481f424b
commit: ff487d41036035376e47972c7c522490b839ab37 MIPS: Truncate link address into 32bit for 32bit kernel
date:   9 weeks ago
config: mips-randconfig-c023-20200712 (attached as .config)
compiler: mipsel-linux-gcc (GCC) 9.3.0

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

All errors (new ones prefixed by >>):

   mipsel-linux-ld: arch/mips/alchemy/devboards/db1300.o: in function `db1300_wm97xx_probe':
>> arch/mips/alchemy/devboards/db1300.c:(.text.db1300_wm97xx_probe+0x2c): undefined reference to `wm97xx_config_gpio'
>> mipsel-linux-ld: arch/mips/alchemy/devboards/db1300.c:(.text.db1300_wm97xx_probe+0x4c): undefined reference to `wm97xx_config_gpio'
>> mipsel-linux-ld: arch/mips/alchemy/devboards/db1300.c:(.text.db1300_wm97xx_probe+0x74): undefined reference to `wm97xx_register_mach_ops'

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

Attachment: .config.gz
Description: application/gzip