36 int register_adapter_interrupt(struct airq_struct *airq)  in register_adapter_interrupt()  argument
40 	if (!airq->handler || airq->isc > MAX_ISC)  in register_adapter_interrupt()
42 	if (!airq->lsi_ptr) {  in register_adapter_interrupt()
43 		airq->lsi_ptr = kzalloc(1, GFP_KERNEL);  in register_adapter_interrupt()
44 		if (!airq->lsi_ptr)  in register_adapter_interrupt()
46 		airq->flags |= AIRQ_PTR_ALLOCATED;  in register_adapter_interrupt()
48 	if (!airq->lsi_mask)  in register_adapter_interrupt()
49 		airq->lsi_mask = 0xff;  in register_adapter_interrupt()
50 	snprintf(dbf_txt, sizeof(dbf_txt), "rairq:%p", airq);  in register_adapter_interrupt()
52 	isc_register(airq->isc);  in register_adapter_interrupt()
54 	hlist_add_head_rcu(&airq->list, &airq_lists[airq->isc]);  in register_adapter_interrupt()
64 void unregister_adapter_interrupt(struct airq_struct *airq)  in unregister_adapter_interrupt()  argument
68 	if (hlist_unhashed(&airq->list))  in unregister_adapter_interrupt()
70 	snprintf(dbf_txt, sizeof(dbf_txt), "urairq:%p", airq);  in unregister_adapter_interrupt()
73 	hlist_del_rcu(&airq->list);  in unregister_adapter_interrupt()
76 	isc_unregister(airq->isc);  in unregister_adapter_interrupt()
77 	if (airq->flags & AIRQ_PTR_ALLOCATED) {  in unregister_adapter_interrupt()
78 		kfree(airq->lsi_ptr);  in unregister_adapter_interrupt()
79 		airq->lsi_ptr = NULL;  in unregister_adapter_interrupt()
80 		airq->flags &= ~AIRQ_PTR_ALLOCATED;  in unregister_adapter_interrupt()
88 	struct airq_struct *airq;  in do_airq_interrupt()  local
96 	hlist_for_each_entry_rcu(airq, head, list)  in do_airq_interrupt()
97 		if ((*airq->lsi_ptr & airq->lsi_mask) != 0)  in do_airq_interrupt()
98 			airq->handler(airq);  in do_airq_interrupt()