tree: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git irq/domain_cleanup head: 3aadfc1b915f97f186b3a94cacc82b9504e68223 commit: 51c378bd84120c03c6845ed75fc3a073b0d1f203 [30/32] PCI: Bulk conversion to generic_handle_domain_irq() config: powerpc64-randconfig-r035-20210517 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 0a34ff8bcb1df16fe7d643ccbe4567b2162c5024) 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 powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/com... git remote add arm-platforms https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git git fetch --no-tags arm-platforms irq/domain_cleanup git checkout 51c378bd84120c03c6845ed75fc3a073b0d1f203 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=powerpc64 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 >>): drivers/pci/controller/pcie-xilinx-cpm.c:225:36: warning: expression result unused [-Wunused-value] generic_handle_domain_irq((port->intx_domain, i); ~~~~ ^~~~~~~~~~~ generic_handle_domain_irq((port->intx_domain, i); ^ drivers/pci/controller/pcie-xilinx-cpm.c:225:28: note: to match this '(' generic_handle_domain_irq((port->intx_domain, i); ^ 1 warning and 1 error generated. vim +225 drivers/pci/controller/pcie-xilinx-cpm.c 211 212 static void xilinx_cpm_pcie_intx_flow(struct irq_desc *desc) 213 { 214 struct xilinx_cpm_pcie_port *port = irq_desc_get_handler_data(desc); 215 struct irq_chip *chip = irq_desc_get_chip(desc); 216 unsigned long val; 217 int i; 218 219 chained_irq_enter(chip, desc); 220 221 val = FIELD_GET(XILINX_CPM_PCIE_IDRN_MASK, 222 pcie_read(port, XILINX_CPM_PCIE_REG_IDRN)); 223 224 for_each_set_bit(i, &val, PCI_NUM_INTX) 226 227 chained_irq_exit(chip, desc); 228 } 229 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org