tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 671176b0016c80b3943cb5387312c886aba3308d commit: 9d0735519f99948c5b5c22426b682ced7f7af9be [4773/10581] rtc: remove sirfsoc driver config: arm-defconfig (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 # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 9d0735519f99948c5b5c22426b682ced7f7af9be # 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: kernel test robot <lkp(a)intel.com&gt; Note: the linux-next/master HEAD 671176b0016c80b3943cb5387312c886aba3308d builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): 17 | #include <linux/rtc/sirfsoc_rtciobrg.h> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. -- 14 | #include <linux/rtc/sirfsoc_rtciobrg.h> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. vim +17 arch/arm/mach-prima2/pm.c 2558bd99cb1426 Rongjun Ying 2011-09-21 @17 #include <linux/rtc/sirfsoc_rtciobrg.h> f81309067ff2d8 Russell King 2015-06-01 18 #include <asm/outercache.h> 2558bd99cb1426 Rongjun Ying 2011-09-21 19 #include <asm/suspend.h> 2558bd99cb1426 Rongjun Ying 2011-09-21 20 #include <asm/hardware/cache-l2x0.h> 2558bd99cb1426 Rongjun Ying 2011-09-21 21 :::::: The code at line 17 was first introduced by commit :::::: 2558bd99cb1426a05ac8f1c78dc9c75a83ceb4bb ARM: CSR: PM: add sleep entry for SiRFprimaII :::::: TO: Rongjun Ying <rongjun.ying(a)csr.com&gt; :::::: CC: Barry Song <21cnbao(a)gmail.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org