static void disable_cobalt_irq(unsigned int irq)
{
	int entry = is_co_apic(irq);

	co_apic_write(CO_APIC_LO(entry), CO_APIC_MASK);
	co_apic_read(CO_APIC_LO(entry));
}
static void disable_cobalt_irq(struct irq_data *data)
{
	int entry = is_co_apic(data->irq);

	co_apic_write(CO_APIC_LO(entry), CO_APIC_MASK);
	co_apic_read(CO_APIC_LO(entry));
}
/*
 * Set the given Cobalt APIC Redirection Table entry to point
 * to the given IDT vector/index.
 */
static inline void co_apic_set(int entry, int irq)
{
	co_apic_write(CO_APIC_LO(entry), CO_APIC_LEVEL | (irq + FIRST_EXTERNAL_VECTOR));
	co_apic_write(CO_APIC_HI(entry), 0);
}