drivers/irqchip/irq-loongarch-cpu.c:66: undefined reference to `liointc_acpi_init'

drivers/irqchip/irq-loongarch-cpu.c:66: undefined reference to `liointc_acpi_init'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9de1f9c8ca5100a02a2e271bdbde36202e251b4b
commit: b2d3e3354e2a0d0e912308618ea33d0337f405c3 irqchip: Add LoongArch CPU interrupt controller support
date:   13 days ago
config: loongarch-randconfig-s053-20220801 (https://download.01.org/0day-ci/archive/20220802/202208021528.FiUMZ8BX-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b2d3e3354e2a0d0e912308618ea33d0337f405c3
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout b2d3e3354e2a0d0e912308618ea33d0337f405c3
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   loongarch64-linux-ld: drivers/irqchip/irq-loongarch-cpu.o: in function `liointc_parse_madt':
>> drivers/irqchip/irq-loongarch-cpu.c:66: undefined reference to `liointc_acpi_init'


vim +66 drivers/irqchip/irq-loongarch-cpu.c

    59	
    60	static int __init
    61	liointc_parse_madt(union acpi_subtable_headers *header,
    62			       const unsigned long end)
    63	{
    64		struct acpi_madt_lio_pic *liointc_entry = (struct acpi_madt_lio_pic *)header;
    65	
  > 66		return liointc_acpi_init(irq_domain, liointc_entry);
    67	}
    68	

-- 
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