tree: https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git topic/renesas-debug head: 19a13e050f789ac7d98a4b3320a376f5052e84a0 commit: cd8ae733b0ace08572a8944ce405e19f1b3cf952 [10/20] [DEBUG] soc: renesas: r8a77961: MSTP debug handling config: arm64-allyesconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git/commit/?id=cd8ae733b0ace08572a8944ce405e19f1b3cf952 git remote add renesas-drivers https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git git fetch --no-tags renesas-drivers topic/renesas-debug git checkout cd8ae733b0ace08572a8944ce405e19f1b3cf952 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/soc/renesas/r8a77961-mstp.c:616:13: warning: no previous prototype for 'r8a77961_disable_mstp_clocks' [-Wmissing-prototypes] 616 | void __init r8a77961_disable_mstp_clocks(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/r8a77961_disable_mstp_clocks +616 drivers/soc/renesas/r8a77961-mstp.c 615 > 616 void __init r8a77961_disable_mstp_clocks(void) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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