tree: https://github.com/frank-w/BPI-R2-4.14 5.8-main head: dc60239f8898805845cb00f933859666e4509cc9 commit: 47ca5358d0035b974a89981e97432d30817566a8 [17/66] mt6625l: set MTK_PLATFORM in Makefile if none is set via *config config: arm-allyesconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 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 checkout 47ca5358d0035b974a89981e97432d30817566a8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 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 >>): cc1: error: drivers/misc/mediatek/include/mt-plat/mt7623/include: No such file or directory [-Werror=missing-include-dirs] In file included from drivers/misc/mediatek/connectivity/common/common_detect/wmt_gpio.c:15: drivers/misc/mediatek/connectivity/common/common_detect/wmt_gpio.h:24:10: fatal error: osal.h: No such file or directory 24 | #include "osal.h" | ^~~~~~~~ cc1: all warnings being treated as errors compilation terminated. -- cc1: error: drivers/misc/mediatek/include/mt-plat/mt7623/include: No such file or directory [-Werror=missing-include-dirs] cc1: all warnings being treated as errors --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org