Hi Romain, First bad commit (maybe != root cause): tree: git://github.com/linux-chenxing/linux.git rperier-rtc head: 0a94a85f4e6d701c6945740acfb65f65793a5203 commit: 0a94a85f4e6d701c6945740acfb65f65793a5203 [7/7] fix driver config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gcc (GCC) 10.3.0 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/linux-chenxing/linux/commit/0a94a85f4e6d701c6945740acfb65f65793a5203 git remote add linux-chenxing git://github.com/linux-chenxing/linux.git git fetch --no-tags linux-chenxing rperier-rtc git checkout 0a94a85f4e6d701c6945740acfb65f65793a5203 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=sh SHELL=/bin/bash drivers/rtc/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from drivers/rtc/rtc-msc313.c:13: >> drivers/rtc/rtc-msc313.c:229:25: error: 'ms_rtc_of_match_table' undeclared here (not in a function); did you mean 'msc313_rtc_of_match_table'? 229 | MODULE_DEVICE_TABLE(of, ms_rtc_of_match_table); | ^~~~~~~~~~~~~~~~~~~~~ include/linux/module.h:244:15: note: in definition of macro 'MODULE_DEVICE_TABLE' 244 | extern typeof(name) __mod_##type##__##name##_device_table \ | ^~~~ >> include/linux/module.h:244:21: error: '__mod_of__ms_rtc_of_match_table_device_table' aliased to undefined symbol 'ms_rtc_of_match_table' 244 | extern typeof(name) __mod_##type##__##name##_device_table \ | ^~~~~~ drivers/rtc/rtc-msc313.c:229:1: note: in expansion of macro 'MODULE_DEVICE_TABLE' 229 | MODULE_DEVICE_TABLE(of, ms_rtc_of_match_table); | ^~~~~~~~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for SND_ATMEL_SOC_PDC Depends on SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && HAS_DMA Selected by - SND_ATMEL_SOC_SSC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC - SND_ATMEL_SOC_SSC_PDC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && ATMEL_SSC vim +229 drivers/rtc/rtc-msc313.c 88cfefa536ca80e Daniel Palmer 2020-06-12 224 88cfefa536ca80e Daniel Palmer 2020-06-12 225 static const struct of_device_id msc313_rtc_of_match_table[] = { 88cfefa536ca80e Daniel Palmer 2020-06-12 226 { .compatible = "mstar,msc313-rtc" }, 88cfefa536ca80e Daniel Palmer 2020-06-12 227 { } 88cfefa536ca80e Daniel Palmer 2020-06-12 228 }; 88cfefa536ca80e Daniel Palmer 2020-06-12 @229 MODULE_DEVICE_TABLE(of, ms_rtc_of_match_table); 88cfefa536ca80e Daniel Palmer 2020-06-12 230 :::::: The code at line 229 was first introduced by commit :::::: 88cfefa536ca80e13ffde033cdc96248e70d3724 rtc: Add support for the MSTAR MSC313 RTC :::::: TO: Daniel Palmer :::::: CC: Romain Perier --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org