tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: c11d28ab4a691736e30b49813fb801847bd44e83 commit: 2ee04b88547ab4c46aa2a258efd0f91fc705b6d6 [10296/12102] ARM: OMAP2+: Drop old timer code for dmtimer and 32k counter config: arm-randconfig-r031-20200524 (attached as .config) compiler: arm-linux-gnueabi-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 2ee04b88547ab4c46aa2a258efd0f91fc705b6d6 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): arm-linux-gnueabi-ld: kernel/time/tick-broadcast.o: in function `tick_device_setup_broadcast_func': arm-linux-gnueabi-ld: drivers/cpuidle/cpuidle-tegra.o: in function `tegra_cpuidle_probe': drivers/cpuidle/cpuidle-tegra.c:342: undefined reference to `tegra_pmc_get_suspend_mode' vim +157 kernel/time/tick-broadcast.c 12ad10004645d3 Mark Rutland 2013-01-14 147 5d1d9a29bc0772 Mark Rutland 2013-02-08 148 static void tick_device_setup_broadcast_func(struct clock_event_device *dev) 5d1d9a29bc0772 Mark Rutland 2013-02-08 149 { 5d1d9a29bc0772 Mark Rutland 2013-02-08 150 if (!dev->broadcast) 5d1d9a29bc0772 Mark Rutland 2013-02-08 151 dev->broadcast = tick_broadcast; 5d1d9a29bc0772 Mark Rutland 2013-02-08 152 if (!dev->broadcast) { 5d1d9a29bc0772 Mark Rutland 2013-02-08 153 pr_warn_once("%s depends on broadcast, but no broadcast function available\n", 5d1d9a29bc0772 Mark Rutland 2013-02-08 154 dev->name); 5d1d9a29bc0772 Mark Rutland 2013-02-08 155 dev->broadcast = err_broadcast; 5d1d9a29bc0772 Mark Rutland 2013-02-08 156 } 5d1d9a29bc0772 Mark Rutland 2013-02-08 @157 } 5d1d9a29bc0772 Mark Rutland 2013-02-08 158 :::::: The code at line 157 was first introduced by commit :::::: 5d1d9a29bc0772abee765f09513779a2ef0ebbfd clockevents: Fix generic broadcast for FEAT_C3STOP :::::: TO: Mark Rutland <mark.rutland(a)arm.com&gt; :::::: CC: Thomas Gleixner <tglx(a)linutronix.de&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org