[kbuild-all] Re: [srini-nvmem:for-next 4/7] ERROR: "__arm_smccc_smc" [drivers/nvmem/nvmem-imx-ocotp-scu.ko] undefined!

Hi Peng, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/srini/nvmem.git for-next head: 744cb39feb521b78129dd3009c1d4600b713f87f commit: e25357c6580c51cfe7ef2360ed075bb0e692b010 [4/7] nvmem: imx: scu: support write config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout e25357c6580c51cfe7ef2360ed075bb0e692b010 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=ia64 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 >>): >> ERROR: "__arm_smccc_smc" [drivers/nvmem/nvmem-imx-ocotp-scu.ko] undefined!