Hi Inochi, kernel test robot noticed the following build errors: [auto build test ERROR on tip/irq/core] [also build test ERROR on robh/for-next tip/smp/core linus/master v6.12-rc2 next-20241011] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Inochi-Amaoto/dt-bindings-interrupt-controller-Add-Sophgo-SG2044-ACLINT-SSWI/20241010-064628 base: tip/irq/core patch link: https://lore.kernel.org/r/20241009224410.53188-3-inochiama%40gmail.com patch subject: [PATCH v2 2/3] irqchip: add T-HEAD C900 ACLINT SSWI driver config: riscv-randconfig-r054-20241013 (https://download.01.org/0day-ci/archive/20241014/202410140004.WwnrCUnq-lkp@xxxxxxxxx/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241014/202410140004.WwnrCUnq-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202410140004.WwnrCUnq-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: ipi_mux_process >>> referenced by irq-thead-c900-aclint-sswi.c:38 (drivers/irqchip/irq-thead-c900-aclint-sswi.c:38) >>> drivers/irqchip/irq-thead-c900-aclint-sswi.o:(thead_aclint_sswi_ipi_handle) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: ipi_mux_create >>> referenced by err.h:81 (include/linux/err.h:81) >>> drivers/irqchip/irq-thead-c900-aclint-sswi.o:(aclint_sswi_probe) in archive vmlinux.a -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
