Hi Nathan, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 4fafd96910add124586b549ad005dcd179de8a18 commit: 5eb6e280432ddc9b755193552f3a070da8d7455c [8959/10357] ARM: 9289/1: Allow pre-ARMv5 builds with ld.lld 16.0.0 and newer config: arm-collie_defconfig (https://download.01.org/0day-ci/archive/20230204/202302040652.zkUBTjyo-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=5eb6e280432ddc9b755193552f3a070da8d7455c 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 5eb6e280432ddc9b755193552f3a070da8d7455c # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/pcmcia/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/pcmcia/pxa2xx_sharpsl.c:206:5: warning: no previous prototype for function 'pcmcia_collie_init' [-Wmissing-prototypes] int pcmcia_collie_init(struct device *dev) ^ drivers/pcmcia/pxa2xx_sharpsl.c:206:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int pcmcia_collie_init(struct device *dev) ^ static 1 warning generated. vim +/pcmcia_collie_init +206 drivers/pcmcia/pxa2xx_sharpsl.c a63ae4427c6af6 Richard Purdie 2005-11-08 205 34cdf25a126f05 Bill Pemberton 2012-11-19 @206 int pcmcia_collie_init(struct device *dev) 77bb86a1b9f8b8 Pavel Machek 2005-10-30 207 { 77bb86a1b9f8b8 Pavel Machek 2005-10-30 208 int ret = -ENODEV; 77bb86a1b9f8b8 Pavel Machek 2005-10-30 209 77bb86a1b9f8b8 Pavel Machek 2005-10-30 210 if (machine_is_collie()) 77bb86a1b9f8b8 Pavel Machek 2005-10-30 211 ret = sa11xx_drv_pcmcia_probe(dev, &sharpsl_pcmcia_ops, 0, 1); 77bb86a1b9f8b8 Pavel Machek 2005-10-30 212 77bb86a1b9f8b8 Pavel Machek 2005-10-30 213 return ret; 77bb86a1b9f8b8 Pavel Machek 2005-10-30 214 } 77bb86a1b9f8b8 Pavel Machek 2005-10-30 215 :::::: The code at line 206 was first introduced by commit :::::: 34cdf25a126f053698d549cc12a9c30e9a8a0bab pcmcia: remove use of __devinit :::::: TO: Bill Pemberton <wfp5p@xxxxxxxxxxxx> :::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
