tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 4ca786ae6681b90b0ec3f4c55c89d12f835f8944 commit: e6b665a1c9ae275fb8d5eeef8221df51b0065a8c [1249/1443] pinctrl: Clean up headers config: arm-gemini_defconfig compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0 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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=e6b665a1c9ae275fb8d5eeef8221df51b0065a8c git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout e6b665a1c9ae275fb8d5eeef8221df51b0065a8c # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/pinctrl/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): drivers/pinctrl/pinctrl-gemini.c: In function 'gemini_pin_dbg_show': >> drivers/pinctrl/pinctrl-gemini.c:2015:9: error: implicit declaration of function 'seq_printf'; did you mean 'scnprintf'? [-Werror=implicit-function-declaration] 2015 | seq_printf(s, " " DRIVER_NAME); | ^~~~~~~~~~ | scnprintf cc1: some warnings being treated as errors vim +2015 drivers/pinctrl/pinctrl-gemini.c 06351d133dea784e Linus Walleij 2017-08-05 2011 06351d133dea784e Linus Walleij 2017-08-05 2012 static void gemini_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, 06351d133dea784e Linus Walleij 2017-08-05 2013 unsigned int offset) 06351d133dea784e Linus Walleij 2017-08-05 2014 { 06351d133dea784e Linus Walleij 2017-08-05 @2015 seq_printf(s, " " DRIVER_NAME); 06351d133dea784e Linus Walleij 2017-08-05 2016 } 06351d133dea784e Linus Walleij 2017-08-05 2017 :::::: The code at line 2015 was first introduced by commit :::::: 06351d133dea784e4a00962a7973ba4cd0e6a787 pinctrl: add a Gemini SoC pin controller :::::: TO: Linus Walleij :::::: CC: Linus Walleij -- 0-DAY CI Kernel Test Service https://01.org/lkp