Hi, Thank you for the patch! Yet something to improve: [auto build test ERROR on clk/clk-next] [also build test ERROR on linus/master v5.10 next-20201217] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/kostap-marvell-com/Enable-usage-of-Marvell-FW-SIP-services/20201218-015121 base: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next config: powerpc-randconfig-r013-20201217 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cee1e7d14f4628d6174b33640d502bff3b54ae45) 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 powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://github.com/0day-ci/linux/commit/bacd29fd042470b9ae3a00071d4e864684482cf5 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review kostap-marvell-com/Enable-usage-of-Marvell-FW-SIP-services/20201218-015121 git checkout bacd29fd042470b9ae3a00071d4e864684482cf5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: __arm_smccc_smc >>> referenced by armada_thermal.c >>> thermal/armada_thermal.o:(.text.armada_wait_sensor_validity+0xB4) in archive drivers/built-in.a >>> referenced by armada_thermal.c >>> thermal/armada_thermal.o:(.text.armada_overheat_isr_thread+0x10C) in archive drivers/built-in.a >>> referenced by armada_thermal.c >>> thermal/armada_thermal.o:(.text.armada_get_temp_legacy+0x94) in archive drivers/built-in.a >>> referenced 2 more times --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org