Hi Akash, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: b966b5cf71790478be7726593d011cb085a97a94 commit: 048eb908a1f276ca0346f20a3e6e7d707dcd81f3 [2656/6900] soc: qcom-geni-se: Add interconnect support to fix earlycon crash config: x86_64-randconfig-a004-20200710 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 02946de3802d3bc65bc9f2eb9b8d4969b5a7add8) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout 048eb908a1f276ca0346f20a3e6e7d707dcd81f3 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): parent = of_get_next_parent(wrapper->dev->of_node); ^ parent = of_get_next_parent(wrapper->dev->of_node); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. vim +/of_get_next_parent +819 drivers/soc/qcom/qcom-geni-se.c 808 809 void geni_remove_earlycon_icc_vote(void) 810 { 811 struct geni_wrapper *wrapper; 812 struct device_node *parent; 813 struct device_node *child; 814 815 if (!earlycon_wrapper) 816 return; 817 818 wrapper = earlycon_wrapper; 820 for_each_child_of_node(parent, child) { 821 if (!of_device_is_compatible(child, "qcom,geni-se-qup")) 822 continue; 823 wrapper = platform_get_drvdata(of_find_device_by_node(child)); 824 icc_put(wrapper->to_core.path); 825 wrapper->to_core.path = NULL; 826 827 } 828 of_node_put(parent); 829 830 earlycon_wrapper = NULL; 831 } 832 EXPORT_SYMBOL(geni_remove_earlycon_icc_vote); 833 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org