tree: https://android.googlesource.com/kernel/goldfish android-3.18 head: 573a22fcc19f928587a5190a3b2930b58b8a7412 commit: a62cf1b761a5fb759c609b87112691ec918b10ee [93/99] i2c: mpc: implement erratum A-004447 workaround config: powerpc-buildonly-randconfig-r003-20210812 (attached as .config) compiler: powerpc-linux-gcc (GCC) 10.3.0 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 remote add android-goldfish https://android.googlesource.com/kernel/goldfish git fetch --no-tags android-goldfish android-3.18 git checkout a62cf1b761a5fb759c609b87112691ec918b10ee # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): 26 | #include <linux/iopoll.h> | ^~~~~~~~~~~~~~~~ compilation terminated. vim +26 drivers/i2c/busses/i2c-mpc.c 23 24 #include <linux/clk.h> 25 #include <linux/io.h> 27 #include <linux/fsl_devices.h> 28 #include <linux/i2c.h> 29 #include <linux/interrupt.h> 30 #include <linux/delay.h> 31 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org