core_hwirq 351 arch/arc/kernel/mcip.c irq_hw_number_t core_hwirq = irqd_to_hwirq(irq_desc_get_irq_data(desc)); core_hwirq 352 arch/arc/kernel/mcip.c irq_hw_number_t idu_hwirq = core_hwirq - FIRST_EXT_IRQ;