Hi Damien, First bad commit (maybe != root cause): tree: git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata.git for-next head: 7914e9624dd7ce17d3d3b1dcd6c3fe5d366b228c commit: 3e7a673b5674512efdcd9ec5ff154ee697c3f7ef [85/106] ata: ahci_st: add compile test support config: hexagon-buildonly-randconfig-r005-20220112 (https://download.01.org/0day-ci/archive/20220112/202201122335.B7ADTynl-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 244dd2913a43a200f5a6544d424cdc37b771028b) 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/dlemoal/libata.git/commit... git remote add dlemoal-libata git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata.git git fetch --no-tags dlemoal-libata for-next git checkout 3e7a673b5674512efdcd9ec5ff154ee697c3f7ef # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/ata/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): static const struct of_device_id st_ahci_match[] = { ^ 1 warning generated. vim +/st_ahci_match +233 drivers/ata/ahci_st.c 76884cb2f7da52 Lee Jones 2014-02-26 232 09de99db23df55 Kiran Padwal 2014-07-22 @233 static const struct of_device_id st_ahci_match[] = { 76884cb2f7da52 Lee Jones 2014-02-26 234 { .compatible = "st,ahci", }, 76884cb2f7da52 Lee Jones 2014-02-26 235 {}, 76884cb2f7da52 Lee Jones 2014-02-26 236 }; 76884cb2f7da52 Lee Jones 2014-02-26 237 MODULE_DEVICE_TABLE(of, st_ahci_match); 76884cb2f7da52 Lee Jones 2014-02-26 238 :::::: The code at line 233 was first introduced by commit :::::: 09de99db23df55c7415d110f6c62281dedd77384 ahci: st: Make of_device_id array const :::::: TO: Kiran Padwal <kiran.padwal21(a)gmail.com&gt; :::::: CC: Tejun Heo <tj(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org