29 int notifier_add_irq(struct hvc_struct *hp, int irq)  in notifier_add_irq()  argument
34 		hp->irq_requested = 0;  in notifier_add_irq()
37 	rc = request_irq(irq, hvc_handle_interrupt, hp->flags,  in notifier_add_irq()
38 			"hvc_console", hp);  in notifier_add_irq()
40 		hp->irq_requested = 1;  in notifier_add_irq()
44 void notifier_del_irq(struct hvc_struct *hp, int irq)  in notifier_del_irq()  argument
46 	if (!hp->irq_requested)  in notifier_del_irq()
48 	free_irq(irq, hp);  in notifier_del_irq()
49 	hp->irq_requested = 0;  in notifier_del_irq()
52 void notifier_hangup_irq(struct hvc_struct *hp, int irq)  in notifier_hangup_irq()  argument
54 	notifier_del_irq(hp, irq);  in notifier_hangup_irq()