irq_free_hwirqs 919 include/linux/irq.h void irq_free_hwirqs(unsigned int from, int cnt); irq_free_hwirqs 922 include/linux/irq.h return irq_free_hwirqs(irq, 1); irq_free_hwirqs 855 kernel/irq/irqdesc.c EXPORT_SYMBOL_GPL(irq_free_hwirqs);