tree: https://github.com/frank-w/BPI-R2-4.14 5.4-wifi head: d82866fdb13cb0ff8997ea36b19b8967eb8268c7 commit: 29838659c861eff7e42010ee63210dd1a91e3e55 [6/9] [wifi] adding wifi-related changes outside driver-directory config: nds32-allyesconfig (attached as .config) compiler: nds32le-linux-gcc (GCC) 8.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 29838659c861eff7e42010ee63210dd1a91e3e55 # save the attached .config to linux build tree GCC_VERSION=8.1.0 make.cross ARCH=nds32 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from include/linux/device.h:1337, from include/linux/platform_device.h:13, from drivers//watchdog/mtk_wdt.c:33: include/linux/pm_wakeup.h: In function 'wakeup_source_init': include/linux/pm_wakeup.h:189:2: error: implicit declaration of function 'wakeup_source_prepare'; did you mean 'wakeup_source_create'? [-Werror=implicit-function-declaration] wakeup_source_prepare(ws, name); ^~~~~~~~~~~~~~~~~~~~~ wakeup_source_create drivers//watchdog/mtk_wdt.c: At top level: #include <asm/system_misc.h> ^~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors compilation terminated. vim +48 drivers//watchdog/mtk_wdt.c 34 #ifdef CONFIG_FIQ_GLUE 35 #include <linux/irqchip/mtk-gic-extend.h> 36 #include <mt-plat/aee.h> 37 #endif 38 #include <linux/types.h> 39 #include <linux/watchdog.h> 40 #include <linux/notifier.h> 41 #include <linux/reboot.h> 42 #include <linux/delay.h> 43 #include <linux/reset-controller.h> 44 #include <linux/reset.h> 45 #include <linux/sched.h> 46 #include <linux/sched/debug.h> 47 #include <linux/sched/signal.h> 49 #include <linux/seq_file.h> 50 #ifdef CONFIG_MT6397_MISC 51 #include <linux/mfd/mt6397/rtc_misc.h> 52 #endif 53 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation