21 static bool have_key(struct optee *optee, u_int key)  in have_key()  argument
25 	list_for_each_entry(entry, &optee->notif.db, link)  in have_key()
32 int optee_notif_wait(struct optee *optee, u_int key)  in optee_notif_wait()  argument
38 	if (key > optee->notif.max_key)  in optee_notif_wait()
47 	spin_lock_irqsave(&optee->notif.lock, flags);  in optee_notif_wait()
53 	if (test_bit(key, optee->notif.bitmap)) {  in optee_notif_wait()
54 		clear_bit(key, optee->notif.bitmap);  in optee_notif_wait()
62 	if (have_key(optee, key)) {  in optee_notif_wait()
67 	list_add_tail(&entry->link, &optee->notif.db);  in optee_notif_wait()
72 	spin_unlock_irqrestore(&optee->notif.lock, flags);  in optee_notif_wait()
74 	spin_lock_irqsave(&optee->notif.lock, flags);  in optee_notif_wait()
78 	spin_unlock_irqrestore(&optee->notif.lock, flags);  in optee_notif_wait()
85 int optee_notif_send(struct optee *optee, u_int key)  in optee_notif_send()  argument
90 	if (key > optee->notif.max_key)  in optee_notif_send()
93 	spin_lock_irqsave(&optee->notif.lock, flags);  in optee_notif_send()
95 	list_for_each_entry(entry, &optee->notif.db, link)  in optee_notif_send()
102 	set_bit(key, optee->notif.bitmap);  in optee_notif_send()
104 	spin_unlock_irqrestore(&optee->notif.lock, flags);  in optee_notif_send()
109 int optee_notif_init(struct optee *optee, u_int max_key)  in optee_notif_init()  argument
111 	spin_lock_init(&optee->notif.lock);  in optee_notif_init()
112 	INIT_LIST_HEAD(&optee->notif.db);  in optee_notif_init()
113 	optee->notif.bitmap = bitmap_zalloc(max_key, GFP_KERNEL);  in optee_notif_init()
114 	if (!optee->notif.bitmap)  in optee_notif_init()
117 	optee->notif.max_key = max_key;  in optee_notif_init()
122 void optee_notif_uninit(struct optee *optee)  in optee_notif_uninit()  argument
124 	bitmap_free(optee->notif.bitmap);  in optee_notif_uninit()