162 static void dvb_ca_private_free(struct dvb_ca_private *ca)  in dvb_ca_private_free()  argument
166 	dvb_device_put(ca->dvbdev);  in dvb_ca_private_free()
167 	for (i = 0; i < ca->slot_count; i++)  in dvb_ca_private_free()
168 		vfree(ca->slot_info[i].rx_buffer.data);  in dvb_ca_private_free()
170 	kfree(ca->slot_info);  in dvb_ca_private_free()
171 	kfree(ca);  in dvb_ca_private_free()
176 	struct dvb_ca_private *ca;  in dvb_ca_private_release()  local
178 	ca = container_of(ref, struct dvb_ca_private, refcount);  in dvb_ca_private_release()
179 	dvb_ca_private_free(ca);  in dvb_ca_private_release()
182 static void dvb_ca_private_get(struct dvb_ca_private *ca)  in dvb_ca_private_get()  argument
184 	kref_get(&ca->refcount);  in dvb_ca_private_get()
187 static void dvb_ca_private_put(struct dvb_ca_private *ca)  in dvb_ca_private_put()  argument
189 	kref_put(&ca->refcount, dvb_ca_private_release);  in dvb_ca_private_put()
192 static void dvb_ca_en50221_thread_wakeup(struct dvb_ca_private *ca);
193 static int dvb_ca_en50221_read_data(struct dvb_ca_private *ca, int slot,
195 static int dvb_ca_en50221_write_data(struct dvb_ca_private *ca, int slot,
228 static int dvb_ca_en50221_check_camstatus(struct dvb_ca_private *ca, int slot)  in dvb_ca_en50221_check_camstatus()  argument
230 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_check_camstatus()
236 	if (ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)  in dvb_ca_en50221_check_camstatus()
240 	slot_status = ca->pub->poll_slot_status(ca->pub, slot, ca->open);  in dvb_ca_en50221_check_camstatus()
278 static int dvb_ca_en50221_wait_if_status(struct dvb_ca_private *ca, int slot,  in dvb_ca_en50221_wait_if_status()  argument
293 		res = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS);  in dvb_ca_en50221_wait_if_status()
326 static int dvb_ca_en50221_link_init(struct dvb_ca_private *ca, int slot)  in dvb_ca_en50221_link_init()  argument
328 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_link_init()
345 	ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND,  in dvb_ca_en50221_link_init()
349 	ret = dvb_ca_en50221_wait_if_status(ca, slot, STATUSREG_DA, HZ);  in dvb_ca_en50221_link_init()
352 	ret = dvb_ca_en50221_read_data(ca, slot, buf, 2);  in dvb_ca_en50221_link_init()
355 	ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN);  in dvb_ca_en50221_link_init()
372 	ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND,  in dvb_ca_en50221_link_init()
376 	ret = dvb_ca_en50221_wait_if_status(ca, slot, STATUSREG_FR, HZ / 10);  in dvb_ca_en50221_link_init()
379 	ret = dvb_ca_en50221_write_data(ca, slot, buf, 2, CMDREG_SW);  in dvb_ca_en50221_link_init()
382 	ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN);  in dvb_ca_en50221_link_init()
402 static int dvb_ca_en50221_read_tuple(struct dvb_ca_private *ca, int slot,  in dvb_ca_en50221_read_tuple()  argument
412 	_tuple_type = ca->pub->read_attribute_mem(ca->pub, slot, _address);  in dvb_ca_en50221_read_tuple()
422 	_tuple_length = ca->pub->read_attribute_mem(ca->pub, slot,  in dvb_ca_en50221_read_tuple()
432 		tuple[i] = ca->pub->read_attribute_mem(ca->pub, slot,  in dvb_ca_en50221_read_tuple()
456 static int dvb_ca_en50221_parse_attributes(struct dvb_ca_private *ca, int slot)  in dvb_ca_en50221_parse_attributes()  argument
473 	status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tuple_type,  in dvb_ca_en50221_parse_attributes()
481 	status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tuple_type,  in dvb_ca_en50221_parse_attributes()
489 	status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tuple_type,  in dvb_ca_en50221_parse_attributes()
497 	status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tuple_type,  in dvb_ca_en50221_parse_attributes()
509 	status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tuple_type,  in dvb_ca_en50221_parse_attributes()
522 	sl = &ca->slot_info[slot];  in dvb_ca_en50221_parse_attributes()
537 		       ca->dvbdev->adapter->num, dvb_str[8], dvb_str[9],  in dvb_ca_en50221_parse_attributes()
544 		status = dvb_ca_en50221_read_tuple(ca, slot, &address,  in dvb_ca_en50221_parse_attributes()
601 static int dvb_ca_en50221_set_configoption(struct dvb_ca_private *ca, int slot)  in dvb_ca_en50221_set_configoption()  argument
603 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_set_configoption()
609 	ca->pub->write_attribute_mem(ca->pub, slot, sl->config_base,  in dvb_ca_en50221_set_configoption()
613 	configoption = ca->pub->read_attribute_mem(ca->pub, slot,  in dvb_ca_en50221_set_configoption()
637 static int dvb_ca_en50221_read_data(struct dvb_ca_private *ca, int slot,  in dvb_ca_en50221_read_data()  argument
640 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_read_data()
665 	if (ca->pub->read_data &&  in dvb_ca_en50221_read_data()
668 			status = ca->pub->read_data(ca->pub, slot, buf,  in dvb_ca_en50221_read_data()
671 			status = ca->pub->read_data(ca->pub, slot, buf, ecount);  in dvb_ca_en50221_read_data()
679 		status = ca->pub->read_cam_control(ca->pub, slot,  in dvb_ca_en50221_read_data()
690 		status = ca->pub->read_cam_control(ca->pub, slot,  in dvb_ca_en50221_read_data()
695 		status = ca->pub->read_cam_control(ca->pub, slot,  in dvb_ca_en50221_read_data()
705 				       ca->dvbdev->adapter->num, bytes_read,  in dvb_ca_en50221_read_data()
713 				       ca->dvbdev->adapter->num);  in dvb_ca_en50221_read_data()
721 				       ca->dvbdev->adapter->num);  in dvb_ca_en50221_read_data()
730 			status = ca->pub->read_cam_control(ca->pub, slot,  in dvb_ca_en50221_read_data()
740 		status = ca->pub->read_cam_control(ca->pub, slot,  in dvb_ca_en50221_read_data()
770 		wake_up_interruptible(&ca->wait_queue);  in dvb_ca_en50221_read_data()
792 static int dvb_ca_en50221_write_data(struct dvb_ca_private *ca, int slot,  in dvb_ca_en50221_write_data()  argument
795 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_write_data()
805 	if (ca->pub->write_data &&  in dvb_ca_en50221_write_data()
807 		return ca->pub->write_data(ca->pub, slot, buf, bytes_write);  in dvb_ca_en50221_write_data()
815 	status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS);  in dvb_ca_en50221_write_data()
820 			dvb_ca_en50221_thread_wakeup(ca);  in dvb_ca_en50221_write_data()
827 	status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND,  in dvb_ca_en50221_write_data()
833 	status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS);  in dvb_ca_en50221_write_data()
853 	status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS);  in dvb_ca_en50221_write_data()
859 			dvb_ca_en50221_thread_wakeup(ca);  in dvb_ca_en50221_write_data()
866 	status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_SIZE_HIGH,  in dvb_ca_en50221_write_data()
870 	status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_SIZE_LOW,  in dvb_ca_en50221_write_data()
877 		status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_DATA,  in dvb_ca_en50221_write_data()
884 	status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS);  in dvb_ca_en50221_write_data()
898 	ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN);  in dvb_ca_en50221_write_data()
913 static int dvb_ca_en50221_slot_shutdown(struct dvb_ca_private *ca, int slot)  in dvb_ca_en50221_slot_shutdown()  argument
917 	ca->pub->slot_shutdown(ca->pub, slot);  in dvb_ca_en50221_slot_shutdown()
918 	ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_NONE;  in dvb_ca_en50221_slot_shutdown()
924 	wake_up_interruptible(&ca->wait_queue);  in dvb_ca_en50221_slot_shutdown()
942 	struct dvb_ca_private *ca = pubca->private;  in dvb_ca_en50221_camchange_irq()  local
943 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_camchange_irq()
958 	dvb_ca_en50221_thread_wakeup(ca);  in dvb_ca_en50221_camchange_irq()
970 	struct dvb_ca_private *ca = pubca->private;  in dvb_ca_en50221_camready_irq()  local
971 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_camready_irq()
977 		dvb_ca_en50221_thread_wakeup(ca);  in dvb_ca_en50221_camready_irq()
990 	struct dvb_ca_private *ca = pubca->private;  in dvb_ca_en50221_frda_irq()  local
991 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_frda_irq()
998 		flags = ca->pub->read_cam_control(pubca, slot, CTRLIF_STATUS);  in dvb_ca_en50221_frda_irq()
1006 		if (ca->open)  in dvb_ca_en50221_frda_irq()
1007 			dvb_ca_en50221_thread_wakeup(ca);  in dvb_ca_en50221_frda_irq()
1021 static void dvb_ca_en50221_thread_wakeup(struct dvb_ca_private *ca)  in dvb_ca_en50221_thread_wakeup()  argument
1025 	ca->wakeup = 1;  in dvb_ca_en50221_thread_wakeup()
1027 	wake_up_process(ca->thread);  in dvb_ca_en50221_thread_wakeup()
1035 static void dvb_ca_en50221_thread_update_delay(struct dvb_ca_private *ca)  in dvb_ca_en50221_thread_update_delay()  argument
1045 	for (slot = 0; slot < ca->slot_count; slot++) {  in dvb_ca_en50221_thread_update_delay()
1046 		struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_thread_update_delay()
1052 			if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE))  in dvb_ca_en50221_thread_update_delay()
1057 			if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE))  in dvb_ca_en50221_thread_update_delay()
1071 			if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE))  in dvb_ca_en50221_thread_update_delay()
1073 			if (ca->open) {  in dvb_ca_en50221_thread_update_delay()
1075 				    (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_DA)))  in dvb_ca_en50221_thread_update_delay()
1085 	ca->delay = curdelay;  in dvb_ca_en50221_thread_update_delay()
1097 static int dvb_ca_en50221_poll_cam_gone(struct dvb_ca_private *ca, int slot)  in dvb_ca_en50221_poll_cam_gone()  argument
1106 	if ((!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)) &&  in dvb_ca_en50221_poll_cam_gone()
1107 	    (ca->pub->poll_slot_status)) {  in dvb_ca_en50221_poll_cam_gone()
1108 		status = ca->pub->poll_slot_status(ca->pub, slot, 0);  in dvb_ca_en50221_poll_cam_gone()
1111 			ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_NONE;  in dvb_ca_en50221_poll_cam_gone()
1112 			dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_poll_cam_gone()
1126 static void dvb_ca_en50221_thread_state_machine(struct dvb_ca_private *ca,  in dvb_ca_en50221_thread_state_machine()  argument
1129 	struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_thread_state_machine()
1137 	while (dvb_ca_en50221_check_camstatus(ca, slot)) {  in dvb_ca_en50221_thread_state_machine()
1140 			dvb_ca_en50221_slot_shutdown(ca, slot);  in dvb_ca_en50221_thread_state_machine()
1147 		dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1160 		ca->pub->slot_reset(ca->pub, slot);  in dvb_ca_en50221_thread_state_machine()
1167 			       ca->dvbdev->adapter->num);  in dvb_ca_en50221_thread_state_machine()
1169 			dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1179 		if (dvb_ca_en50221_parse_attributes(ca, slot) != 0) {  in dvb_ca_en50221_thread_state_machine()
1180 			if (dvb_ca_en50221_poll_cam_gone(ca, slot))  in dvb_ca_en50221_thread_state_machine()
1184 			       ca->dvbdev->adapter->num);  in dvb_ca_en50221_thread_state_machine()
1186 			dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1189 		if (dvb_ca_en50221_set_configoption(ca, slot) != 0) {  in dvb_ca_en50221_thread_state_machine()
1191 			       ca->dvbdev->adapter->num);  in dvb_ca_en50221_thread_state_machine()
1193 			dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1196 		if (ca->pub->write_cam_control(ca->pub, slot,  in dvb_ca_en50221_thread_state_machine()
1200 			       ca->dvbdev->adapter->num);  in dvb_ca_en50221_thread_state_machine()
1202 			dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1209 		ca->wakeup = 1;  in dvb_ca_en50221_thread_state_machine()
1215 			       ca->dvbdev->adapter->num);  in dvb_ca_en50221_thread_state_machine()
1217 			dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1221 		flags = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS);  in dvb_ca_en50221_thread_state_machine()
1224 			ca->wakeup = 1;  in dvb_ca_en50221_thread_state_machine()
1229 		if (dvb_ca_en50221_link_init(ca, slot) != 0) {  in dvb_ca_en50221_thread_state_machine()
1230 			if (dvb_ca_en50221_poll_cam_gone(ca, slot))  in dvb_ca_en50221_thread_state_machine()
1234 			       ca->dvbdev->adapter->num);  in dvb_ca_en50221_thread_state_machine()
1236 			dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1244 				       ca->dvbdev->adapter->num);  in dvb_ca_en50221_thread_state_machine()
1246 				dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1253 		ca->pub->slot_ts_enable(ca->pub, slot);  in dvb_ca_en50221_thread_state_machine()
1255 		dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread_state_machine()
1257 			ca->dvbdev->adapter->num);  in dvb_ca_en50221_thread_state_machine()
1261 		if (!ca->open)  in dvb_ca_en50221_thread_state_machine()
1266 		while (dvb_ca_en50221_read_data(ca, slot, NULL, 0) > 0) {  in dvb_ca_en50221_thread_state_machine()
1267 			if (!ca->open)  in dvb_ca_en50221_thread_state_machine()
1274 			if (dvb_ca_en50221_check_camstatus(ca, slot)) {  in dvb_ca_en50221_thread_state_machine()
1279 				ca->wakeup = 1;  in dvb_ca_en50221_thread_state_machine()
1289 				ca->wakeup = 1;  in dvb_ca_en50221_thread_state_machine()
1305 	struct dvb_ca_private *ca = data;  in dvb_ca_en50221_thread()  local
1311 	dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_thread()
1316 		if (!ca->wakeup) {  in dvb_ca_en50221_thread()
1318 			schedule_timeout(ca->delay);  in dvb_ca_en50221_thread()
1322 		ca->wakeup = 0;  in dvb_ca_en50221_thread()
1325 		for (slot = 0; slot < ca->slot_count; slot++)  in dvb_ca_en50221_thread()
1326 			dvb_ca_en50221_thread_state_machine(ca, slot);  in dvb_ca_en50221_thread()
1350 	struct dvb_ca_private *ca = dvbdev->priv;  in dvb_ca_en50221_io_do_ioctl()  local
1356 	if (mutex_lock_interruptible(&ca->ioctl_mutex))  in dvb_ca_en50221_io_do_ioctl()
1361 		for (slot = 0; slot < ca->slot_count; slot++) {  in dvb_ca_en50221_io_do_ioctl()
1362 			struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_io_do_ioctl()
1366 				dvb_ca_en50221_slot_shutdown(ca, slot);  in dvb_ca_en50221_io_do_ioctl()
1367 				if (ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)  in dvb_ca_en50221_io_do_ioctl()
1368 					dvb_ca_en50221_camchange_irq(ca->pub,  in dvb_ca_en50221_io_do_ioctl()
1374 		ca->next_read_slot = 0;  in dvb_ca_en50221_io_do_ioctl()
1375 		dvb_ca_en50221_thread_wakeup(ca);  in dvb_ca_en50221_io_do_ioctl()
1381 		caps->slot_num = ca->slot_count;  in dvb_ca_en50221_io_do_ioctl()
1393 		if ((slot >= ca->slot_count) || (slot < 0)) {  in dvb_ca_en50221_io_do_ioctl()
1397 		slot = array_index_nospec(slot, ca->slot_count);  in dvb_ca_en50221_io_do_ioctl()
1401 		sl = &ca->slot_info[slot];  in dvb_ca_en50221_io_do_ioctl()
1417 	mutex_unlock(&ca->ioctl_mutex);  in dvb_ca_en50221_io_do_ioctl()
1451 	struct dvb_ca_private *ca = dvbdev->priv;  in dvb_ca_en50221_io_write()  local
1478 	if (slot >= ca->slot_count)  in dvb_ca_en50221_io_write()
1480 	slot = array_index_nospec(slot, ca->slot_count);  in dvb_ca_en50221_io_write()
1481 	sl = &ca->slot_info[slot];  in dvb_ca_en50221_io_write()
1518 			status = dvb_ca_en50221_write_data(ca, slot, fragbuf,  in dvb_ca_en50221_io_write()
1546 static int dvb_ca_en50221_io_read_condition(struct dvb_ca_private *ca,  in dvb_ca_en50221_io_read_condition()  argument
1557 	slot = ca->next_read_slot;  in dvb_ca_en50221_io_read_condition()
1558 	while ((slot_count < ca->slot_count) && (!found)) {  in dvb_ca_en50221_io_read_condition()
1559 		struct dvb_ca_slot *sl = &ca->slot_info[slot];  in dvb_ca_en50221_io_read_condition()
1584 		slot = (slot + 1) % ca->slot_count;  in dvb_ca_en50221_io_read_condition()
1588 	ca->next_read_slot = slot;  in dvb_ca_en50221_io_read_condition()
1606 	struct dvb_ca_private *ca = dvbdev->priv;  in dvb_ca_en50221_io_read()  local
1629 	status = dvb_ca_en50221_io_read_condition(ca, &result, &slot);  in dvb_ca_en50221_io_read()
1636 		status = wait_event_interruptible(ca->wait_queue,  in dvb_ca_en50221_io_read()
1638 						  (ca, &result, &slot));  in dvb_ca_en50221_io_read()
1646 	sl = &ca->slot_info[slot];  in dvb_ca_en50221_io_read()
1652 			       ca->dvbdev->adapter->num);  in dvb_ca_en50221_io_read()
1714 	struct dvb_ca_private *ca = dvbdev->priv;  in dvb_ca_en50221_io_open()  local
1720 	mutex_lock(&ca->remove_mutex);  in dvb_ca_en50221_io_open()
1722 	if (ca->exit) {  in dvb_ca_en50221_io_open()
1723 		mutex_unlock(&ca->remove_mutex);  in dvb_ca_en50221_io_open()
1727 	if (!try_module_get(ca->pub->owner)) {  in dvb_ca_en50221_io_open()
1728 		mutex_unlock(&ca->remove_mutex);  in dvb_ca_en50221_io_open()
1734 		module_put(ca->pub->owner);  in dvb_ca_en50221_io_open()
1735 		mutex_unlock(&ca->remove_mutex);  in dvb_ca_en50221_io_open()
1739 	for (i = 0; i < ca->slot_count; i++) {  in dvb_ca_en50221_io_open()
1740 		struct dvb_ca_slot *sl = &ca->slot_info[i];  in dvb_ca_en50221_io_open()
1754 	ca->open = 1;  in dvb_ca_en50221_io_open()
1755 	dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_io_open()
1756 	dvb_ca_en50221_thread_wakeup(ca);  in dvb_ca_en50221_io_open()
1758 	dvb_ca_private_get(ca);  in dvb_ca_en50221_io_open()
1760 	mutex_unlock(&ca->remove_mutex);  in dvb_ca_en50221_io_open()
1775 	struct dvb_ca_private *ca = dvbdev->priv;  in dvb_ca_en50221_io_release()  local
1780 	mutex_lock(&ca->remove_mutex);  in dvb_ca_en50221_io_release()
1783 	ca->open = 0;  in dvb_ca_en50221_io_release()
1784 	dvb_ca_en50221_thread_update_delay(ca);  in dvb_ca_en50221_io_release()
1788 	module_put(ca->pub->owner);  in dvb_ca_en50221_io_release()
1790 	dvb_ca_private_put(ca);  in dvb_ca_en50221_io_release()
1792 	if (dvbdev->users == 1 && ca->exit == 1) {  in dvb_ca_en50221_io_release()
1793 		mutex_unlock(&ca->remove_mutex);  in dvb_ca_en50221_io_release()
1796 		mutex_unlock(&ca->remove_mutex);  in dvb_ca_en50221_io_release()
1813 	struct dvb_ca_private *ca = dvbdev->priv;  in dvb_ca_en50221_io_poll()  local
1820 	poll_wait(file, &ca->wait_queue, wait);  in dvb_ca_en50221_io_poll()
1822 	if (dvb_ca_en50221_io_read_condition(ca, &result, &slot) == 1)  in dvb_ca_en50221_io_poll()
1829 	if (dvb_ca_en50221_io_read_condition(ca, &result, &slot) == 1)  in dvb_ca_en50221_io_poll()
1874 	struct dvb_ca_private *ca = NULL;  in dvb_ca_en50221_init()  local
1883 	ca = kzalloc(sizeof(*ca), GFP_KERNEL);  in dvb_ca_en50221_init()
1884 	if (!ca) {  in dvb_ca_en50221_init()
1888 	kref_init(&ca->refcount);  in dvb_ca_en50221_init()
1889 	ca->pub = pubca;  in dvb_ca_en50221_init()
1890 	ca->flags = flags;  in dvb_ca_en50221_init()
1891 	ca->slot_count = slot_count;  in dvb_ca_en50221_init()
1892 	ca->slot_info = kcalloc(slot_count, sizeof(struct dvb_ca_slot),  in dvb_ca_en50221_init()
1894 	if (!ca->slot_info) {  in dvb_ca_en50221_init()
1898 	init_waitqueue_head(&ca->wait_queue);  in dvb_ca_en50221_init()
1899 	ca->open = 0;  in dvb_ca_en50221_init()
1900 	ca->wakeup = 0;  in dvb_ca_en50221_init()
1901 	ca->next_read_slot = 0;  in dvb_ca_en50221_init()
1902 	pubca->private = ca;  in dvb_ca_en50221_init()
1905 	ret = dvb_register_device(dvb_adapter, &ca->dvbdev, &dvbdev_ca, ca,  in dvb_ca_en50221_init()
1912 		struct dvb_ca_slot *sl = &ca->slot_info[i];  in dvb_ca_en50221_init()
1921 	mutex_init(&ca->ioctl_mutex);  in dvb_ca_en50221_init()
1922 	mutex_init(&ca->remove_mutex);  in dvb_ca_en50221_init()
1931 	ca->thread = kthread_run(dvb_ca_en50221_thread, ca, "kdvb-ca-%i:%i",  in dvb_ca_en50221_init()
1932 				 ca->dvbdev->adapter->num, ca->dvbdev->id);  in dvb_ca_en50221_init()
1933 	if (IS_ERR(ca->thread)) {  in dvb_ca_en50221_init()
1934 		ret = PTR_ERR(ca->thread);  in dvb_ca_en50221_init()
1942 	dvb_unregister_device(ca->dvbdev);  in dvb_ca_en50221_init()
1944 	kfree(ca->slot_info);  in dvb_ca_en50221_init()
1946 	kfree(ca);  in dvb_ca_en50221_init()
1960 	struct dvb_ca_private *ca = pubca->private;  in dvb_ca_en50221_release()  local
1965 	mutex_lock(&ca->remove_mutex);  in dvb_ca_en50221_release()
1966 	ca->exit = 1;  in dvb_ca_en50221_release()
1967 	mutex_unlock(&ca->remove_mutex);  in dvb_ca_en50221_release()
1969 	if (ca->dvbdev->users < 1)  in dvb_ca_en50221_release()
1970 		wait_event(ca->dvbdev->wait_queue,  in dvb_ca_en50221_release()
1971 				ca->dvbdev->users == 1);  in dvb_ca_en50221_release()
1974 	kthread_stop(ca->thread);  in dvb_ca_en50221_release()
1976 	for (i = 0; i < ca->slot_count; i++)  in dvb_ca_en50221_release()
1977 		dvb_ca_en50221_slot_shutdown(ca, i);  in dvb_ca_en50221_release()
1979 	dvb_remove_device(ca->dvbdev);  in dvb_ca_en50221_release()
1980 	dvb_ca_private_put(ca);  in dvb_ca_en50221_release()