tree: https://github.com/nbd168/wireless mt76 head: 2025b7abd79d7dff38f23124afdba037af9862e1 commit: aacc57fd5f7d13e788e39ae43c78f22c9cf9eec9 [57/60] mt76: mt7615: enable beacon hw filter for runtime-pm config: parisc-allyesconfig (attached as .config) compiler: hppa-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 git checkout aacc57fd5f7d13e788e39ae43c78f22c9cf9eec9 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): hppa-linux-ld: drivers/net/wireless/mediatek/mt76/mt7615/main.o: in function `mt7615_remove_interface': hppa-linux-ld: drivers/net/wireless/mediatek/mt76/mt7615/main.o: in function `mt7615_add_interface': (.text+0x1afc): undefined reference to `mt7615_mcu_set_bss_pm' hppa-linux-ld: drivers/net/wireless/mediatek/mt76/mt7615/mac.o: in function `mt7615_pm_interface_iter': (.text+0xa94): undefined reference to `mt7615_mcu_set_bss_pm' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org