tree: https://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/linux.git for-review/acpi-iort-id-rework head: 58364a30829b3f168fc65c7ce94f0d9354f052fe commit: 58364a30829b3f168fc65c7ce94f0d9354f052fe [12/12] bus: fsl-mc: Add ACPI support for fsl-mc config: arm64-randconfig-r011-20200611 (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 git checkout 58364a30829b3f168fc65c7ce94f0d9354f052fe # 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(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): drivers/irqchip/irq-gic-v3-its-fsl-mc-msi.c:109:33: warning: 'union acpi_subtable_headers' declared inside parameter list will not be visible outside of this definition or declaration 109 | its_fsl_mc_msi_parse_madt(union acpi_subtable_headers *header, | ^~~~~~~~~~~~~~~~~~~~~ drivers/irqchip/irq-gic-v3-its-fsl-mc-msi.c: In function 'its_fsl_mc_acpi_msi_init': 139 | acpi_table_parse_madt(ACPI_MADT_TYPE_GENERIC_TRANSLATOR, | ^~~~~~~~~~~~~~~~~~~~~ | acpi_table_parse cc1: some warnings being treated as errors vim +139 drivers/irqchip/irq-gic-v3-its-fsl-mc-msi.c 135 136 137 static int __init its_fsl_mc_acpi_msi_init(void) 138 { 140 its_fsl_mc_msi_parse_madt, 0); 141 142 return 0; 143 } 144 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org