Hi Tony, I love your patch! Yet something to improve: [auto build test ERROR on char-misc/char-misc-testing] [also build test ERROR on robh/for-next soc/for-next linus/master v5.16-rc3 next-20211202] [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/Tony-Huang/Add-iop-driver-for-Sunplus-SP7021/20211203-114932 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git 5d331b5922551637c586cdf5fdc1778910fc937f config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20211203/202112031753.KIjg9ffN-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 11.2.0 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 # https://github.com/0day-ci/linux/commit/5a13966416937e820ad198a487deb9308cb86061 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Tony-Huang/Add-iop-driver-for-Sunplus-SP7021/20211203-114932 git checkout 5a13966416937e820ad198a487deb9308cb86061 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from drivers/misc/iop/sunplus_iop.c:10: >> drivers/misc/iop/sunplus_iop.h:5:10: fatal error: mach/io_map.h: No such file or directory 5 | #include <mach/io_map.h> | ^~~~~~~~~~~~~~~ compilation terminated. vim +5 drivers/misc/iop/sunplus_iop.h 2 3 #ifndef __SP_IOP_H__ 4 #define __SP_IOP_H__ > 5 #include <mach/io_map.h> 6 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx