tree: https://github.com/frank-w/BPI-R2-4.14 5.6-main head: 4fae43b208567f97bfb418f89c6934d0d8dc1534 commit: e00e4a70aa3252dd01134f30ce738c17e091da2c [23/32] timekeeping32: reverting changes for wifi-driver config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout e00e4a70aa3252dd01134f30ce738c17e091da2c # save the attached .config to linux build tree GCC_VERSION=9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from drivers/misc/mediatek/connectivity/common/common_detect/wmt_detect.c:24: 24 | #include "osal.h" | ^~~~~~~~ compilation terminated. vim +24 drivers/misc/mediatek/connectivity/common/common_detect/wmt_gpio.h 843d8eb0bcd3b5 Frank Wunderlich 2020-02-10 17 843d8eb0bcd3b5 Frank Wunderlich 2020-02-10 18 #include <linux/of.h> 843d8eb0bcd3b5 Frank Wunderlich 2020-02-10 19 #include <linux/of_gpio.h> 843d8eb0bcd3b5 Frank Wunderlich 2020-02-10 20 #include <linux/pinctrl/consumer.h> 843d8eb0bcd3b5 Frank Wunderlich 2020-02-10 21 #include <linux/pinctrl/pinctrl.h> 843d8eb0bcd3b5 Frank Wunderlich 2020-02-10 22 #include <linux/gpio.h> 843d8eb0bcd3b5 Frank Wunderlich 2020-02-10 23 #include <linux/platform_device.h> 843d8eb0bcd3b5 Frank Wunderlich 2020-02-10 @24 #include "osal.h" 843d8eb0bcd3b5 Frank Wunderlich 2020-02-10 25 :::::: The code at line 24 was first introduced by commit :::::: 843d8eb0bcd3b53370aabe9f1c231c0f5cf8ca7d mt6625l: add driver folder :::::: TO: Frank Wunderlich <frank-w(a)public-files.de&gt; :::::: CC: Frank Wunderlich <frank-w(a)public-files.de&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org