INVALID_ACPI_IRQ
if (acpi_sci_override_gsi == INVALID_ACPI_IRQ && !acpi_gbl_reduced_hardware)
isa_irq_to_gsi[gsi] = INVALID_ACPI_IRQ;
u32 acpi_sci_override_gsi __initdata = INVALID_ACPI_IRQ;
isa_irq_to_gsi[isa_irq] != INVALID_ACPI_IRQ) {
acpi_sci_irq = INVALID_ACPI_IRQ;
unsigned int acpi_sci_irq = INVALID_ACPI_IRQ;
return acpi_sci_irq != INVALID_ACPI_IRQ;