Hi, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on char-misc/char-misc-testing] [also build test WARNING on soc/for-next linus/master v5.15-rc1 next-20210916] [cannot apply to lee-mfd/for-mfd-next] [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/min-li-xe-renesas-com/mfd-rsmu-Resolve-naming-conflict-between-idt8a340_reg-h-and-idt82p33_reg-h/20210916-024925 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git d06246ebd7738bbfc581b887bc24a102450a323f config: openrisc-randconfig-r034-20210916 (attached as .config) compiler: or1k-linux-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/dfbca4a07f1f8ca11b5993215ee233f7f28c1519 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review min-li-xe-renesas-com/mfd-rsmu-Resolve-naming-conflict-between-idt8a340_reg-h-and-idt82p33_reg-h/20210916-024925 git checkout dfbca4a07f1f8ca11b5993215ee233f7f28c1519 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=openrisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/misc/rsmu.c:54: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Enumerated type listing DPLL combination modes drivers/misc/rsmu.c:65: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * An id used to identify the respective child class states. vim +54 drivers/misc/rsmu.c 52 53 /** > 54 * Enumerated type listing DPLL combination modes 55 */ 56 enum rsmu_dpll_combomode { 57 E_COMBOMODE_CURRENT = 0, 58 E_COMBOMODE_FASTAVG, 59 E_COMBOMODE_SLOWAVG, 60 E_COMBOMODE_HOLDOVER, 61 E_COMBOMODE_MAX 62 }; 63 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org