156 static void dvb_ca_private_free(struct dvb_ca_private *ca)  in dvb_ca_private_free()  argument
160 	dvb_device_put(ca->dvbdev);  in dvb_ca_private_free()
161 	for (i = 0; i < ca->slot_count; i++)  in dvb_ca_private_free()
162 		vfree(ca->slot_info[i].rx_buffer.data);  in dvb_ca_private_free()
164 	kfree(ca->slot_info);  in dvb_ca_private_free()
165 	kfree(ca);  in dvb_ca_private_free()
170 	struct dvb_ca_private *ca;  in dvb_ca_private_release()  local
172 	ca = container_of(ref, struct dvb_ca_private, refcount);  in dvb_ca_private_release()
173 	dvb_ca_private_free(ca);  in dvb_ca_private_release()
176 static void dvb_ca_private_get(struct dvb_ca_private *ca)  in dvb_ca_private_get()  argument
178 	kref_get(&ca->refcount);  in dvb_ca_private_get()
181 static void dvb_ca_private_put(struct dvb_ca_private *ca)  in dvb_ca_private_put()  argument
183 	kref_put(&ca->refcount, dvb_ca_private_release);  in dvb_ca_private_put()
186 static void dvb_ca_en50221_thread_wakeup(struct dvb_ca_private *ca);
187 static int dvb_ca_en50221_read_data(struct dvb_ca_private *ca, int slot,
189 static int dvb_ca_en50221_write_data(struct dvb_ca_private *ca, int slot,
222 static int dvb_ca_en50221_check_camstatus(struct dvb_ca_private *ca, int slot)  in dvb_ca_en50221_check_camstatus()  argument
224 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_check_camstatus()
230 	if (ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)  in dvb_ca_en50221_check_camstatus()
234 	slot_status = ca->pub->poll_slot_status(ca->pub, slot, ca->open);  in dvb_ca_en50221_check_camstatus()
272 static int dvb_ca_en50221_wait_if_status(struct dvb_ca_private *ca, int slot,  in dvb_ca_en50221_wait_if_status()  argument
287 		res = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS);  in dvb_ca_en50221_wait_if_status()
320 static int dvb_ca_en50221_link_init(struct dvb_ca_private *ca, int slot)  in dvb_ca_en50221_link_init()  argument
322 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_link_init()
339 	ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND,  in dvb_ca_en50221_link_init()
343 	ret = dvb_ca_en50221_wait_if_status(ca, slot, STATUSREG_DA, HZ);  in dvb_ca_en50221_link_init()
346 	ret = dvb_ca_en50221_read_data(ca, slot, buf, 2);  in dvb_ca_en50221_link_init()
349 	ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN);  in dvb_ca_en50221_link_init()
366 	ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND,  in dvb_ca_en50221_link_init()
370 	ret = dvb_ca_en50221_wait_if_status(ca, slot, STATUSREG_FR, HZ / 10);  in dvb_ca_en50221_link_init()
373 	ret = dvb_ca_en50221_write_data(ca, slot, buf, 2);  in dvb_ca_en50221_link_init()
376 	ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN);  in dvb_ca_en50221_link_init()
396 static int dvb_ca_en50221_read_tuple(struct dvb_ca_private *ca, int slot,  in dvb_ca_en50221_read_tuple()  argument
406 	_tuple_type = ca->pub->read_attribute_mem(ca->pub, slot, _address);  in dvb_ca_en50221_read_tuple()
416 	_tuple_length = ca->pub->read_attribute_mem(ca->pub, slot,  in dvb_ca_en50221_read_tuple()
426 		tuple[i] = ca->pub->read_attribute_mem(ca->pub, slot,  in dvb_ca_en50221_read_tuple()
450 static int dvb_ca_en50221_parse_attributes(struct dvb_ca_private *ca, int slot)  in dvb_ca_en50221_parse_attributes()  argument
467 	status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tuple_type,  in dvb_ca_en50221_parse_attributes()
475 	status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tuple_type,  in dvb_ca_en50221_parse_attributes()
483 	status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tuple_type,  in dvb_ca_en50221_parse_attributes()
491 	status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tuple_type,  in dvb_ca_en50221_parse_attributes()
503 	status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tuple_type,  in dvb_ca_en50221_parse_attributes()
516 	sl = &ca->slot_info[slot];  in dvb_ca_en50221_parse_attributes()
531 		       ca->dvbdev->adapter->num, dvb_str[8], dvb_str[9],  in dvb_ca_en50221_parse_attributes()
538 		status = dvb_ca_en50221_read_tuple(ca, slot, &address,  in dvb_ca_en50221_parse_attributes()
595 static int dvb_ca_en50221_set_configoption(struct dvb_ca_private *ca, int slot)  in dvb_ca_en50221_set_configoption()  argument
597 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_set_configoption()
603 	ca->pub->write_attribute_mem(ca->pub, slot, sl->config_base,  in dvb_ca_en50221_set_configoption()
607 	configoption = ca->pub->read_attribute_mem(ca->pub, slot,  in dvb_ca_en50221_set_configoption()
631 static int dvb_ca_en50221_read_data(struct dvb_ca_private *ca, int slot,  in dvb_ca_en50221_read_data()  argument
634 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_read_data()
659 	if (ca->pub->read_data &&  in dvb_ca_en50221_read_data()
662 			status = ca->pub->read_data(ca->pub, slot, buf,  in dvb_ca_en50221_read_data()
665 			status = ca->pub->read_data(ca->pub, slot, buf, ecount);  in dvb_ca_en50221_read_data()
673 		status = ca->pub->read_cam_control(ca->pub, slot,  in dvb_ca_en50221_read_data()
684 		status = ca->pub->read_cam_control(ca->pub, slot,  in dvb_ca_en50221_read_data()
689 		status = ca->pub->read_cam_control(ca->pub, slot,  in dvb_ca_en50221_read_data()
699 				       ca->dvbdev->adapter->num, bytes_read,  in dvb_ca_en50221_read_data()
707 				       ca->dvbdev->adapter->num);  in dvb_ca_en50221_read_data()
715 				       ca->dvbdev->adapter->num);  in dvb_ca_en50221_read_data()
724 			status = ca->pub->read_cam_control(ca->pub, slot,  in dvb_ca_en50221_read_data()
734 		status = ca->pub->read_cam_control(ca->pub, slot,  in dvb_ca_en50221_read_data()
764 		wake_up_interruptible(&ca->wait_queue);  in dvb_ca_en50221_read_data()
784 static int dvb_ca_en50221_write_data(struct dvb_ca_private *ca, int slot,  in dvb_ca_en50221_write_data()  argument
787 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_write_data()
797 	if (ca->pub->write_data &&  in dvb_ca_en50221_write_data()
799 		return ca->pub->write_data(ca->pub, slot, buf, bytes_write);  in dvb_ca_en50221_write_data()
807 	status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS);  in dvb_ca_en50221_write_data()
812 			dvb_ca_en50221_thread_wakeup(ca);  in dvb_ca_en50221_write_data()
819 	status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND,  in dvb_ca_en50221_write_data()
825 	status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS);  in dvb_ca_en50221_write_data()
845 	status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS);  in dvb_ca_en50221_write_data()
851 			dvb_ca_en50221_thread_wakeup(ca);  in dvb_ca_en50221_write_data()
858 	status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_SIZE_HIGH,  in dvb_ca_en50221_write_data()
862 	status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_SIZE_LOW,  in dvb_ca_en50221_write_data()
869 		status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_DATA,  in dvb_ca_en50221_write_data()
876 	status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS);  in dvb_ca_en50221_write_data()
890 	ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN);  in dvb_ca_en50221_write_data()
905 static int dvb_ca_en50221_slot_shutdown(struct dvb_ca_private *ca, int slot)  in dvb_ca_en50221_slot_shutdown()  argument
909 	ca->pub->slot_shutdown(ca->pub, slot);  in dvb_ca_en50221_slot_shutdown()
910 	ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_NONE;  in dvb_ca_en50221_slot_shutdown()
916 	wake_up_interruptible(&ca->wait_queue);  in dvb_ca_en50221_slot_shutdown()
934 	struct dvb_ca_private *ca = pubca->private;  in dvb_ca_en50221_camchange_irq()  local
935 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_camchange_irq()
950 	dvb_ca_en50221_thread_wakeup(ca);  in dvb_ca_en50221_camchange_irq()
962 	struct dvb_ca_private *ca = pubca->private;  in dvb_ca_en50221_camready_irq()  local
963 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_camready_irq()
969 		dvb_ca_en50221_thread_wakeup(ca);  in dvb_ca_en50221_camready_irq()
982 	struct dvb_ca_private *ca = pubca->private;  in dvb_ca_en50221_frda_irq()  local
983 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_frda_irq()
990 		flags = ca->pub->read_cam_control(pubca, slot, CTRLIF_STATUS);  in dvb_ca_en50221_frda_irq()
998 		if (ca->open)  in dvb_ca_en50221_frda_irq()
999 			dvb_ca_en50221_thread_wakeup(ca);  in dvb_ca_en50221_frda_irq()
1013 static void dvb_ca_en50221_thread_wakeup(struct dvb_ca_private *ca)  in dvb_ca_en50221_thread_wakeup()  argument
1017 	ca->wakeup = 1;  in dvb_ca_en50221_thread_wakeup()
1019 	wake_up_process(ca->thread);  in dvb_ca_en50221_thread_wakeup()
1027 static void dvb_ca_en50221_thread_update_delay(struct dvb_ca_private *ca)  in dvb_ca_en50221_thread_update_delay()  argument
1037 	for (slot = 0; slot < ca->slot_count; slot++) {  in dvb_ca_en50221_thread_update_delay()
1038 		struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_thread_update_delay()
1044 			if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE))  in dvb_ca_en50221_thread_update_delay()
1049 			if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE))  in dvb_ca_en50221_thread_update_delay()
1063 			if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE))  in dvb_ca_en50221_thread_update_delay()
1065 			if (ca->open) {  in dvb_ca_en50221_thread_update_delay()
1067 				    (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_DA)))  in dvb_ca_en50221_thread_update_delay()
1077 	ca->delay = curdelay;  in dvb_ca_en50221_thread_update_delay()
1089 static int dvb_ca_en50221_poll_cam_gone(struct dvb_ca_private *ca, int slot)  in dvb_ca_en50221_poll_cam_gone()  argument
1098 	if ((!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)) &&  in dvb_ca_en50221_poll_cam_gone()
1099 	    (ca->pub->poll_slot_status)) {  in dvb_ca_en50221_poll_cam_gone()
1100 		status = ca->pub->poll_slot_status(ca->pub, slot, 0);  in dvb_ca_en50221_poll_cam_gone()
1103 			ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_NONE;  in dvb_ca_en50221_poll_cam_gone()
1104 			dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_poll_cam_gone()
1118 static void dvb_ca_en50221_thread_state_machine(struct dvb_ca_private *ca,  in dvb_ca_en50221_thread_state_machine()  argument
1121 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_thread_state_machine()
1129 	while (dvb_ca_en50221_check_camstatus(ca, slot)) {  in dvb_ca_en50221_thread_state_machine()
1132 			dvb_ca_en50221_slot_shutdown(ca, slot);  in dvb_ca_en50221_thread_state_machine()
1139 		dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1152 		ca->pub->slot_reset(ca->pub, slot);  in dvb_ca_en50221_thread_state_machine()
1159 			       ca->dvbdev->adapter->num);  in dvb_ca_en50221_thread_state_machine()
1161 			dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1171 		if (dvb_ca_en50221_parse_attributes(ca, slot) != 0) {  in dvb_ca_en50221_thread_state_machine()
1172 			if (dvb_ca_en50221_poll_cam_gone(ca, slot))  in dvb_ca_en50221_thread_state_machine()
1176 			       ca->dvbdev->adapter->num);  in dvb_ca_en50221_thread_state_machine()
1178 			dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1181 		if (dvb_ca_en50221_set_configoption(ca, slot) != 0) {  in dvb_ca_en50221_thread_state_machine()
1183 			       ca->dvbdev->adapter->num);  in dvb_ca_en50221_thread_state_machine()
1185 			dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1188 		if (ca->pub->write_cam_control(ca->pub, slot,  in dvb_ca_en50221_thread_state_machine()
1192 			       ca->dvbdev->adapter->num);  in dvb_ca_en50221_thread_state_machine()
1194 			dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1201 		ca->wakeup = 1;  in dvb_ca_en50221_thread_state_machine()
1207 			       ca->dvbdev->adapter->num);  in dvb_ca_en50221_thread_state_machine()
1209 			dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1213 		flags = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS);  in dvb_ca_en50221_thread_state_machine()
1216 			ca->wakeup = 1;  in dvb_ca_en50221_thread_state_machine()
1221 		if (dvb_ca_en50221_link_init(ca, slot) != 0) {  in dvb_ca_en50221_thread_state_machine()
1222 			if (dvb_ca_en50221_poll_cam_gone(ca, slot))  in dvb_ca_en50221_thread_state_machine()
1226 			       ca->dvbdev->adapter->num);  in dvb_ca_en50221_thread_state_machine()
1228 			dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1236 				       ca->dvbdev->adapter->num);  in dvb_ca_en50221_thread_state_machine()
1238 				dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1245 		ca->pub->slot_ts_enable(ca->pub, slot);  in dvb_ca_en50221_thread_state_machine()
1247 		dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1249 			ca->dvbdev->adapter->num);  in dvb_ca_en50221_thread_state_machine()
1253 		if (!ca->open)  in dvb_ca_en50221_thread_state_machine()
1258 		while (dvb_ca_en50221_read_data(ca, slot, NULL, 0) > 0) {  in dvb_ca_en50221_thread_state_machine()
1259 			if (!ca->open)  in dvb_ca_en50221_thread_state_machine()
1266 			if (dvb_ca_en50221_check_camstatus(ca, slot)) {  in dvb_ca_en50221_thread_state_machine()
1271 				ca->wakeup = 1;  in dvb_ca_en50221_thread_state_machine()
1281 				ca->wakeup = 1;  in dvb_ca_en50221_thread_state_machine()
1297 	struct dvb_ca_private *ca = data;  in dvb_ca_en50221_thread()  local
1303 	dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread()
1308 		if (!ca->wakeup) {  in dvb_ca_en50221_thread()
1310 			schedule_timeout(ca->delay);  in dvb_ca_en50221_thread()
1314 		ca->wakeup = 0;  in dvb_ca_en50221_thread()
1317 		for (slot = 0; slot < ca->slot_count; slot++)  in dvb_ca_en50221_thread()
1318 			dvb_ca_en50221_thread_state_machine(ca, slot);  in dvb_ca_en50221_thread()
1342 	struct dvb_ca_private *ca = dvbdev->priv;  in dvb_ca_en50221_io_do_ioctl()  local
1348 	if (mutex_lock_interruptible(&ca->ioctl_mutex))  in dvb_ca_en50221_io_do_ioctl()
1353 		for (slot = 0; slot < ca->slot_count; slot++) {  in dvb_ca_en50221_io_do_ioctl()
1354 			struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_io_do_ioctl()
1358 				dvb_ca_en50221_slot_shutdown(ca, slot);  in dvb_ca_en50221_io_do_ioctl()
1359 				if (ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)  in dvb_ca_en50221_io_do_ioctl()
1360 					dvb_ca_en50221_camchange_irq(ca->pub,  in dvb_ca_en50221_io_do_ioctl()
1366 		ca->next_read_slot = 0;  in dvb_ca_en50221_io_do_ioctl()
1367 		dvb_ca_en50221_thread_wakeup(ca);  in dvb_ca_en50221_io_do_ioctl()
1373 		caps->slot_num = ca->slot_count;  in dvb_ca_en50221_io_do_ioctl()
1385 		if ((slot >= ca->slot_count) || (slot < 0)) {  in dvb_ca_en50221_io_do_ioctl()
1389 		slot = array_index_nospec(slot, ca->slot_count);  in dvb_ca_en50221_io_do_ioctl()
1393 		sl = &ca->slot_info[slot];  in dvb_ca_en50221_io_do_ioctl()
1409 	mutex_unlock(&ca->ioctl_mutex);  in dvb_ca_en50221_io_do_ioctl()
1443 	struct dvb_ca_private *ca = dvbdev->priv;  in dvb_ca_en50221_io_write()  local
1470 	if (slot >= ca->slot_count)  in dvb_ca_en50221_io_write()
1472 	slot = array_index_nospec(slot, ca->slot_count);  in dvb_ca_en50221_io_write()
1473 	sl = &ca->slot_info[slot];  in dvb_ca_en50221_io_write()
1510 			status = dvb_ca_en50221_write_data(ca, slot, fragbuf,  in dvb_ca_en50221_io_write()
1538 static int dvb_ca_en50221_io_read_condition(struct dvb_ca_private *ca,  in dvb_ca_en50221_io_read_condition()  argument
1549 	slot = ca->next_read_slot;  in dvb_ca_en50221_io_read_condition()
1550 	while ((slot_count < ca->slot_count) && (!found)) {  in dvb_ca_en50221_io_read_condition()
1551 		struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_io_read_condition()
1576 		slot = (slot + 1) % ca->slot_count;  in dvb_ca_en50221_io_read_condition()
1580 	ca->next_read_slot = slot;  in dvb_ca_en50221_io_read_condition()
1598 	struct dvb_ca_private *ca = dvbdev->priv;  in dvb_ca_en50221_io_read()  local
1621 	status = dvb_ca_en50221_io_read_condition(ca, &result, &slot);  in dvb_ca_en50221_io_read()
1628 		status = wait_event_interruptible(ca->wait_queue,  in dvb_ca_en50221_io_read()
1630 						  (ca, &result, &slot));  in dvb_ca_en50221_io_read()
1638 	sl = &ca->slot_info[slot];  in dvb_ca_en50221_io_read()
1644 			       ca->dvbdev->adapter->num);  in dvb_ca_en50221_io_read()
1706 	struct dvb_ca_private *ca = dvbdev->priv;  in dvb_ca_en50221_io_open()  local
1712 	if (!try_module_get(ca->pub->owner))  in dvb_ca_en50221_io_open()
1717 		module_put(ca->pub->owner);  in dvb_ca_en50221_io_open()
1721 	for (i = 0; i < ca->slot_count; i++) {  in dvb_ca_en50221_io_open()
1722 		struct dvb_ca_slot *sl = &ca->slot_info[i];  in dvb_ca_en50221_io_open()
1736 	ca->open = 1;  in dvb_ca_en50221_io_open()
1737 	dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_io_open()
1738 	dvb_ca_en50221_thread_wakeup(ca);  in dvb_ca_en50221_io_open()
1740 	dvb_ca_private_get(ca);  in dvb_ca_en50221_io_open()
1756 	struct dvb_ca_private *ca = dvbdev->priv;  in dvb_ca_en50221_io_release()  local
1762 	ca->open = 0;  in dvb_ca_en50221_io_release()
1763 	dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_io_release()
1767 	module_put(ca->pub->owner);  in dvb_ca_en50221_io_release()
1769 	dvb_ca_private_put(ca);  in dvb_ca_en50221_io_release()
1785 	struct dvb_ca_private *ca = dvbdev->priv;  in dvb_ca_en50221_io_poll()  local
1792 	poll_wait(file, &ca->wait_queue, wait);  in dvb_ca_en50221_io_poll()
1794 	if (dvb_ca_en50221_io_read_condition(ca, &result, &slot) == 1)  in dvb_ca_en50221_io_poll()
1801 	if (dvb_ca_en50221_io_read_condition(ca, &result, &slot) == 1)  in dvb_ca_en50221_io_poll()
1846 	struct dvb_ca_private *ca = NULL;  in dvb_ca_en50221_init()  local
1855 	ca = kzalloc(sizeof(*ca), GFP_KERNEL);  in dvb_ca_en50221_init()
1856 	if (!ca) {  in dvb_ca_en50221_init()
1860 	kref_init(&ca->refcount);  in dvb_ca_en50221_init()
1861 	ca->pub = pubca;  in dvb_ca_en50221_init()
1862 	ca->flags = flags;  in dvb_ca_en50221_init()
1863 	ca->slot_count = slot_count;  in dvb_ca_en50221_init()
1864 	ca->slot_info = kcalloc(slot_count, sizeof(struct dvb_ca_slot),  in dvb_ca_en50221_init()
1866 	if (!ca->slot_info) {  in dvb_ca_en50221_init()
1870 	init_waitqueue_head(&ca->wait_queue);  in dvb_ca_en50221_init()
1871 	ca->open = 0;  in dvb_ca_en50221_init()
1872 	ca->wakeup = 0;  in dvb_ca_en50221_init()
1873 	ca->next_read_slot = 0;  in dvb_ca_en50221_init()
1874 	pubca->private = ca;  in dvb_ca_en50221_init()
1877 	ret = dvb_register_device(dvb_adapter, &ca->dvbdev, &dvbdev_ca, ca,  in dvb_ca_en50221_init()
1884 		struct dvb_ca_slot *sl = &ca->slot_info[i];  in dvb_ca_en50221_init()
1893 	mutex_init(&ca->ioctl_mutex);  in dvb_ca_en50221_init()
1902 	ca->thread = kthread_run(dvb_ca_en50221_thread, ca, "kdvb-ca-%i:%i",  in dvb_ca_en50221_init()
1903 				 ca->dvbdev->adapter->num, ca->dvbdev->id);  in dvb_ca_en50221_init()
1904 	if (IS_ERR(ca->thread)) {  in dvb_ca_en50221_init()
1905 		ret = PTR_ERR(ca->thread);  in dvb_ca_en50221_init()
1913 	dvb_unregister_device(ca->dvbdev);  in dvb_ca_en50221_init()
1915 	kfree(ca->slot_info);  in dvb_ca_en50221_init()
1917 	kfree(ca);  in dvb_ca_en50221_init()
1931 	struct dvb_ca_private *ca = pubca->private;  in dvb_ca_en50221_release()  local
1937 	kthread_stop(ca->thread);  in dvb_ca_en50221_release()
1939 	for (i = 0; i < ca->slot_count; i++)  in dvb_ca_en50221_release()
1940 		dvb_ca_en50221_slot_shutdown(ca, i);  in dvb_ca_en50221_release()
1942 	dvb_remove_device(ca->dvbdev);  in dvb_ca_en50221_release()
1943 	dvb_ca_private_put(ca);  in dvb_ca_en50221_release()