Hi Rahul, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on tty/tty-testing] [also build test WARNING on next-20200508] [cannot apply to usb/usb-testing linus/master linux/master v5.7-rc4] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Rahul-Tanwar/serial-lantiq-Make-UART-s-use-as-console-selectable/20200509-174007 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing config: h8300-allyesconfig (attached as .config) compiler: h8300-linux-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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot All warnings (new ones prefixed by >>): >> WARNING: modpost: vmlinux.o(.data+0x172c14): Section mismatch in reference from the variable lqasc_driver to the variable .init.text:lqasc_probe The variable lqasc_driver references the variable __init lqasc_probe If the reference is valid then annotate the variable with or __refdata (see linux/init.h) or name the variable: --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org