tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f9ff5644bcc04221bae56f922122f2b7f5d24d62
commit: 98686cd21624c75a043e96812beadddf4f6f48e5 wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices
date:   2 weeks ago
config: csky-randconfig-r015-20221217
compiler: csky-linux-gcc (GCC) 12.1.0
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/torvalds/linux.git/commit/?id=98686cd21624c75a043e96812beadddf4f6f48e5
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 98686cd21624c75a043e96812beadddf4f6f48e5
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=csky olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=csky SHELL=/bin/bash

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "relay_reset" [drivers/net/wireless/mediatek/mt76/mt7996/mt7996e.ko] undefined!
>> ERROR: modpost: "relay_open" [drivers/net/wireless/mediatek/mt76/mt7996/mt7996e.ko] undefined!
>> ERROR: modpost: "relay_switch_subbuf" [drivers/net/wireless/mediatek/mt76/mt7996/mt7996e.ko] undefined!
>> ERROR: modpost: "relay_flush" [drivers/net/wireless/mediatek/mt76/mt7996/mt7996e.ko] undefined!
>> ERROR: modpost: "relay_file_operations" [drivers/net/wireless/mediatek/mt76/mt7996/mt7996e.ko] undefined!

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp