acpi_get_override_irq 2597 arch/x86/kernel/apic/io_apic.c int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
acpi_get_override_irq  327 include/linux/acpi.h static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)