arch_early_irq_init  744 include/linux/interrupt.h extern int arch_early_irq_init(void);
arch_early_irq_init  545 kernel/irq/irqdesc.c 	return arch_early_irq_init();
arch_early_irq_init  578 kernel/irq/irqdesc.c 	return arch_early_irq_init();