Function prototype or declaration at include/linux/acpi.h, line 311 References: arch/arm/xen/enlighten.c, line 291 arch/ia64/kernel/acpi.c, line 526 arch/ia64/kernel/acpi.c, line 542 arch/ia64/kernel/acpi.c, line 567 arch/x86/kernel/acpi/boot.c, line 619 arch/x86/kernel/acpi/boot.c, line 706 arch/x86/kernel/acpi/boot.c, line 710 drivers/acpi/arm64/gtdt.c, line 82 drivers/acpi/arm64/iort.c, line 1116 drivers/acpi/irq.c, line 51 drivers/acpi/irq.c, line 68 drivers/acpi/pci_irq.c, line 364 drivers/acpi/pci_irq.c, line 465 drivers/acpi/resource.c, line 424 drivers/char/hpet.c, line 238 drivers/char/hpet.c, line 1002 drivers/irqchip/irq-gic-v3.c, line 2015 drivers/irqchip/irq-gic.c, line 1585 drivers/mailbox/pcc.c, line 172 drivers/perf/arm_pmu_acpi.c, line 58 drivers/perf/arm_pmu_acpi.c, line 124 drivers/thermal/intel/intel_soc_dts_thermal.c, line 67 include/linux/acpi.h, line 311