[kabel:marvell10g-updates 17/37] mdio_debugfs.c:undefined reference to `mdiobus_write'

[kabel:marvell10g-updates 17/37] mdio_debugfs.c:undefined reference to `mdiobus_write'

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 2454 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kabel/linux.git marvell10g-updates
head:   8a3b1f3480e7689d1f5f1c64296df9a043bb42ef
commit: f814fbd474f09b414651c82fb765e644595067b1 [17/37] net: mdiobus: add support to access PHY registers via debugfs
config: m68k-allmodconfig (attached as .config)
compiler: m68k-linux-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
        # https://git.kernel.org/pub/scm/linux/kernel/git/kabel/linux.git/commit/?id=f814fbd474f09b414651c82fb765e644595067b1
        git remote add kabel https://git.kernel.org/pub/scm/linux/kernel/git/kabel/linux.git
        git fetch --no-tags kabel marvell10g-updates
        git checkout f814fbd474f09b414651c82fb765e644595067b1
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k 

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

All error/warnings (new ones prefixed by >>):

>> drivers/net/phy/mdio_debugfs.c:43:5: warning: no previous prototype for 'mdiobus_register_debugfs' [-Wmissing-prototypes]
      43 | int mdiobus_register_debugfs(struct mii_bus *bus)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/net/phy/mdio_debugfs.c:65:6: warning: no previous prototype for 'mdiobus_unregister_debugfs' [-Wmissing-prototypes]
      65 | void mdiobus_unregister_debugfs(struct mii_bus *bus)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/net/phy/mdio_debugfs.c:76:5: warning: no previous prototype for 'mdiobus_debugfs_init' [-Wmissing-prototypes]
      76 | int mdiobus_debugfs_init(void)
         |     ^~~~~~~~~~~~~~~~~~~~
>> drivers/net/phy/mdio_debugfs.c:89:6: warning: no previous prototype for 'mdiobus_debugfs_exit' [-Wmissing-prototypes]
      89 | void mdiobus_debugfs_exit(void)
         |      ^~~~~~~~~~~~~~~~~~~~
--
   m68k-linux-ld: drivers/net/phy/mdio_debugfs.o: in function `val_set':
>> mdio_debugfs.c:(.text+0x6e): undefined reference to `mdiobus_write'
   m68k-linux-ld: drivers/net/phy/mdio_debugfs.o: in function `val_get':
>> mdio_debugfs.c:(.text+0xb4): undefined reference to `mdiobus_read'

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

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 59903 bytes --]