31 struct serio_raw {  struct
47 	struct serio_raw *serio_raw;  argument
65 static struct serio_raw *serio_raw_locate(int minor)  in serio_raw_locate()
67 	struct serio_raw *serio_raw;  in serio_raw_locate()  local
69 	list_for_each_entry(serio_raw, &serio_raw_list, node) {  in serio_raw_locate()
70 		if (serio_raw->dev.minor == minor)  in serio_raw_locate()
71 			return serio_raw;  in serio_raw_locate()
79 	struct serio_raw *serio_raw;  in serio_raw_open()  local
87 	serio_raw = serio_raw_locate(iminor(inode));  in serio_raw_open()
88 	if (!serio_raw) {  in serio_raw_open()
93 	if (serio_raw->dead) {  in serio_raw_open()
104 	client->serio_raw = serio_raw;  in serio_raw_open()
107 	kref_get(&serio_raw->kref);  in serio_raw_open()
109 	serio_pause_rx(serio_raw->serio);  in serio_raw_open()
110 	list_add_tail(&client->node, &serio_raw->client_list);  in serio_raw_open()
111 	serio_continue_rx(serio_raw->serio);  in serio_raw_open()
120 	struct serio_raw *serio_raw =  in serio_raw_free()  local
121 			container_of(kref, struct serio_raw, kref);  in serio_raw_free()
123 	put_device(&serio_raw->serio->dev);  in serio_raw_free()
124 	kfree(serio_raw);  in serio_raw_free()
130 	struct serio_raw *serio_raw = client->serio_raw;  in serio_raw_release()  local
132 	serio_pause_rx(serio_raw->serio);  in serio_raw_release()
134 	serio_continue_rx(serio_raw->serio);  in serio_raw_release()
138 	kref_put(&serio_raw->kref, serio_raw_free);  in serio_raw_release()
143 static bool serio_raw_fetch_byte(struct serio_raw *serio_raw, char *c)  in serio_raw_fetch_byte()  argument
147 	serio_pause_rx(serio_raw->serio);  in serio_raw_fetch_byte()
149 	empty = serio_raw->head == serio_raw->tail;  in serio_raw_fetch_byte()
151 		*c = serio_raw->queue[serio_raw->tail];  in serio_raw_fetch_byte()
152 		serio_raw->tail = (serio_raw->tail + 1) % SERIO_RAW_QUEUE_LEN;  in serio_raw_fetch_byte()
155 	serio_continue_rx(serio_raw->serio);  in serio_raw_fetch_byte()
164 	struct serio_raw *serio_raw = client->serio_raw;  in serio_raw_read()  local
170 		if (serio_raw->dead)  in serio_raw_read()
173 		if (serio_raw->head == serio_raw->tail &&  in serio_raw_read()
180 		while (read < count && serio_raw_fetch_byte(serio_raw, &c)) {  in serio_raw_read()
190 			error = wait_event_interruptible(serio_raw->wait,  in serio_raw_read()
191 					serio_raw->head != serio_raw->tail ||  in serio_raw_read()
192 					serio_raw->dead);  in serio_raw_read()
205 	struct serio_raw *serio_raw = client->serio_raw;  in serio_raw_write()  local
213 	if (serio_raw->dead) {  in serio_raw_write()
227 		if (serio_write(serio_raw->serio, c)) {  in serio_raw_write()
245 	struct serio_raw *serio_raw = client->serio_raw;  in serio_raw_poll()  local
248 	poll_wait(file, &serio_raw->wait, wait);  in serio_raw_poll()
250 	mask = serio_raw->dead ? POLLHUP | POLLERR : POLLOUT | POLLWRNORM;  in serio_raw_poll()
251 	if (serio_raw->head != serio_raw->tail)  in serio_raw_poll()
276 	struct serio_raw *serio_raw = serio_get_drvdata(serio);  in serio_raw_interrupt()  local
278 	unsigned int head = serio_raw->head;  in serio_raw_interrupt()
281 	serio_raw->queue[head] = data;  in serio_raw_interrupt()
283 	if (likely(head != serio_raw->tail)) {  in serio_raw_interrupt()
284 		serio_raw->head = head;  in serio_raw_interrupt()
285 		list_for_each_entry(client, &serio_raw->client_list, node)  in serio_raw_interrupt()
287 		wake_up_interruptible(&serio_raw->wait);  in serio_raw_interrupt()
296 	struct serio_raw *serio_raw;  in serio_raw_connect()  local
299 	serio_raw = kzalloc(sizeof(struct serio_raw), GFP_KERNEL);  in serio_raw_connect()
300 	if (!serio_raw) {  in serio_raw_connect()
305 	snprintf(serio_raw->name, sizeof(serio_raw->name),  in serio_raw_connect()
307 	kref_init(&serio_raw->kref);  in serio_raw_connect()
308 	INIT_LIST_HEAD(&serio_raw->client_list);  in serio_raw_connect()
309 	init_waitqueue_head(&serio_raw->wait);  in serio_raw_connect()
311 	serio_raw->serio = serio;  in serio_raw_connect()
314 	serio_set_drvdata(serio, serio_raw);  in serio_raw_connect()
324 	list_add_tail(&serio_raw->node, &serio_raw_list);  in serio_raw_connect()
327 	serio_raw->dev.minor = PSMOUSE_MINOR;  in serio_raw_connect()
328 	serio_raw->dev.name = serio_raw->name;  in serio_raw_connect()
329 	serio_raw->dev.parent = &serio->dev;  in serio_raw_connect()
330 	serio_raw->dev.fops = &serio_raw_fops;  in serio_raw_connect()
332 	err = misc_register(&serio_raw->dev);  in serio_raw_connect()
334 		serio_raw->dev.minor = MISC_DYNAMIC_MINOR;  in serio_raw_connect()
335 		err = misc_register(&serio_raw->dev);  in serio_raw_connect()
346 		 serio->phys, serio_raw->name, serio_raw->dev.minor);  in serio_raw_connect()
350 	list_del_init(&serio_raw->node);  in serio_raw_connect()
355 	kref_put(&serio_raw->kref, serio_raw_free);  in serio_raw_connect()
361 	struct serio_raw *serio_raw = serio_get_drvdata(serio);  in serio_raw_reconnect()  local
364 	if (!drv || !serio_raw) {  in serio_raw_reconnect()
381 static void serio_raw_hangup(struct serio_raw *serio_raw)  in serio_raw_hangup()  argument
385 	serio_pause_rx(serio_raw->serio);  in serio_raw_hangup()
386 	list_for_each_entry(client, &serio_raw->client_list, node)  in serio_raw_hangup()
388 	serio_continue_rx(serio_raw->serio);  in serio_raw_hangup()
390 	wake_up_interruptible(&serio_raw->wait);  in serio_raw_hangup()
396 	struct serio_raw *serio_raw = serio_get_drvdata(serio);  in serio_raw_disconnect()  local
398 	misc_deregister(&serio_raw->dev);  in serio_raw_disconnect()
401 	serio_raw->dead = true;  in serio_raw_disconnect()
402 	list_del_init(&serio_raw->node);  in serio_raw_disconnect()
405 	serio_raw_hangup(serio_raw);  in serio_raw_disconnect()
408 	kref_put(&serio_raw->kref, serio_raw_free);  in serio_raw_disconnect()