Hi Qin, I love your patch! Perhaps something to improve: [auto build test WARNING on pza/reset/next] [also build test WARNING on robh/for-next clk/clk-next tip/irq/core linus/master v5.18-rc7 next-20220520] [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/intel-lab-lkp/linux/commits/Qin-Jian/Add-Sunplus-SP7021-SoC-Support/20220520-150501 base: https://git.pengutronix.de/git/pza/linux reset/next config: (https://download.01.org/0day-ci/archive/20220521/202205210849.KurlP56L-lkp@xxxxxxxxx/config) reproduce: # https://github.com/intel-lab-lkp/linux/commit/a18534d0375224dcbfbd6d313ec16c9042212661 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Qin-Jian/Add-Sunplus-SP7021-SoC-Support/20220520-150501 git checkout a18534d0375224dcbfbd6d313ec16c9042212661 # 1. reproduce by kismet # install kmax per https://github.com/paulgazz/kmax/blob/master/README.md kismet --linux-ksrc=linux --selectees CONFIG_SERIAL_SUNPLUS --selectors CONFIG_SOC_SP7021 -a=arm # 2. reproduce by make # save the config file to linux source tree cd linux make ARCH=arm olddefconfig If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> kismet warnings: (new ones prefixed by >>) >> kismet: WARNING: unmet direct dependencies detected for SERIAL_SUNPLUS when selected by SOC_SP7021 WARNING: unmet direct dependencies detected for SERIAL_SUNPLUS Depends on [n]: TTY [=n] && HAS_IOMEM [=y] && (ARCH_SUNPLUS [=y] || COMPILE_TEST [=n]) Selected by [y]: - SOC_SP7021 [=y] && ARCH_SUNPLUS [=y] WARNING: unmet direct dependencies detected for SERIAL_SUNPLUS_CONSOLE Depends on [n]: TTY [=n] && HAS_IOMEM [=y] && SERIAL_SUNPLUS [=y] Selected by [y]: - SOC_SP7021 [=y] && ARCH_SUNPLUS [=y] -- 0-DAY CI Kernel Test Service https://01.org/lkp