[frank-w-bpi-r2-4.14:5.15-r2pro 33/44] ld.lld: error: duplicate symbol: rtl8366_enable_vlan

[frank-w-bpi-r2-4.14:5.15-r2pro 33/44] ld.lld: error: duplicate symbol: rtl8366_enable_vlan

[kernel test robot]

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tree:   https://github.com/frank-w/BPI-R2-4.14 5.15-r2pro
head:   979af5cddf764f04ffac8b9b9b4ab8aa7958c420
commit: f22eb897c1dcf9012fdae439c0fac0821ace6274 [33/44] rtl8367: fix most unresolved symbols in openwrt driver
config: arm64-buildonly-randconfig-r004-20211004 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 57d9adefa04dc65096b8ba3e5763c15305676f73)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/frank-w/BPI-R2-4.14/commit/f22eb897c1dcf9012fdae439c0fac0821ace6274
        git remote add frank-w-bpi-r2-4.14 https://github.com/frank-w/BPI-R2-4.14
        git fetch --no-tags frank-w-bpi-r2-4.14 5.15-r2pro
        git checkout f22eb897c1dcf9012fdae439c0fac0821ace6274
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash

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 >>):

>> ld.lld: error: duplicate symbol: rtl8366_enable_vlan
   >>> defined at rtl8366_smi.c
   >>> net/phy/rtl8366_smi.o:(rtl8366_enable_vlan) in archive drivers/built-in.a
   >>> defined at rtl8366.c
   >>> net/dsa/rtl8366.o:(.text+0x55C) in archive drivers/built-in.a
--
>> ld.lld: error: duplicate symbol: rtl8366_reset_vlan
   >>> defined at rtl8366_smi.c
   >>> net/phy/rtl8366_smi.o:(rtl8366_reset_vlan) in archive drivers/built-in.a
   >>> defined at rtl8366.c
   >>> net/dsa/rtl8366.o:(.text+0x5C4) in archive drivers/built-in.a

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

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