irq_get_next_irq 10 include/linux/irqnr.h unsigned int irq_get_next_irq(unsigned int offset); irq_get_next_irq 28 include/linux/irqnr.h for (irq = irq_get_next_irq(0); irq < nr_irqs; \ irq_get_next_irq 29 include/linux/irqnr.h irq = irq_get_next_irq(irq + 1))