tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.4 head: d78843bdba14be5be451753e78a3753413fda6a2 commit: b9587630016b5b0f9949fe31325de4fdfa5dd8cc [195/215] CHROMIUM: staging: media: rkisp1: Backport fixups function config: arm64-allyesconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 7.5.0 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 chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-4.4 git checkout b9587630016b5b0f9949fe31325de4fdfa5dd8cc # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-7.5.0 make.cross ARCH=arm64 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 >>): drivers/staging/built-in.o: In function `rkisp1_isp_isr': drivers/media/built-in.o:radio-raremono.c:(.text+0x3f6180): first defined here drivers/staging/built-in.o: In function `rkisp1_mipi_isr': drivers/media/built-in.o:radio-raremono.c:(.text+0x3f6060): first defined here drivers/staging/built-in.o: In function `rkisp1_stats_isr': drivers/media/built-in.o:radio-raremono.c:(.text+0x3f95c0): first defined here drivers/staging/built-in.o: In function `rkisp1_params_isr': drivers/media/built-in.o:radio-raremono.c:(.text+0x3fe158): first defined here --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org