320 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_drv_send_cmd()  local
321 	struct ps_data *psdata = &nxpdev->psdata;  in nxp_drv_send_cmd()
334 static void btnxpuart_tx_wakeup(struct btnxpuart_dev *nxpdev)  in btnxpuart_tx_wakeup()  argument
336 	if (schedule_work(&nxpdev->tx_work))  in btnxpuart_tx_wakeup()
337 		set_bit(BTNXPUART_TX_STATE_ACTIVE, &nxpdev->tx_state);  in btnxpuart_tx_wakeup()
341 static void ps_start_timer(struct btnxpuart_dev *nxpdev)  in ps_start_timer()  argument
343 	struct ps_data *psdata = &nxpdev->psdata;  in ps_start_timer()
355 static void ps_cancel_timer(struct btnxpuart_dev *nxpdev)  in ps_cancel_timer()  argument
357 	struct ps_data *psdata = &nxpdev->psdata;  in ps_cancel_timer()
365 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in ps_control()  local
366 	struct ps_data *psdata = &nxpdev->psdata;  in ps_control()
370 	    !test_bit(BTNXPUART_SERDEV_OPEN, &nxpdev->tx_state))  in ps_control()
377 			status = serdev_device_set_tiocm(nxpdev->serdev, TIOCM_DTR, 0);  in ps_control()
379 			status = serdev_device_set_tiocm(nxpdev->serdev, 0, TIOCM_DTR);  in ps_control()
384 			status = serdev_device_break_ctl(nxpdev->serdev, 0);  in ps_control()
386 			status = serdev_device_break_ctl(nxpdev->serdev, -1);  in ps_control()
397 		btnxpuart_tx_wakeup(nxpdev);  in ps_control()
414 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in ps_timeout_func()  local
416 	if (test_bit(BTNXPUART_TX_STATE_ACTIVE, &nxpdev->tx_state)) {  in ps_timeout_func()
417 		ps_start_timer(nxpdev);  in ps_timeout_func()
426 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in ps_setup()  local
427 	struct ps_data *psdata = &nxpdev->psdata;  in ps_setup()
435 static bool ps_wakeup(struct btnxpuart_dev *nxpdev)  in ps_wakeup()  argument
437 	struct ps_data *psdata = &nxpdev->psdata;  in ps_wakeup()
452 static void ps_cleanup(struct btnxpuart_dev *nxpdev)  in ps_cleanup()  argument
454 	struct ps_data *psdata = &nxpdev->psdata;  in ps_cleanup()
464 	ps_cancel_timer(nxpdev);  in ps_cleanup()
471 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in send_ps_cmd()  local
472 	struct ps_data *psdata = &nxpdev->psdata;  in send_ps_cmd()
496 			ps_start_timer(nxpdev);  in send_ps_cmd()
498 			ps_wakeup(nxpdev);  in send_ps_cmd()
509 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in send_wakeup_method_cmd()  local
510 	struct ps_data *psdata = &nxpdev->psdata;  in send_wakeup_method_cmd()
550 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in ps_init()  local
551 	struct ps_data *psdata = &nxpdev->psdata;  in ps_init()
553 	serdev_device_set_tiocm(nxpdev->serdev, 0, TIOCM_RTS);  in ps_init()
555 	serdev_device_set_tiocm(nxpdev->serdev, TIOCM_RTS, 0);  in ps_init()
567 		serdev_device_set_tiocm(nxpdev->serdev, 0, TIOCM_DTR);  in ps_init()
568 		serdev_device_set_tiocm(nxpdev->serdev, TIOCM_DTR, 0);  in ps_init()
573 		serdev_device_break_ctl(nxpdev->serdev, -1);  in ps_init()
575 		serdev_device_break_ctl(nxpdev->serdev, 0);  in ps_init()
592 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_download_firmware()  local
595 	nxpdev->fw_dnld_v1_offset = 0;  in nxp_download_firmware()
596 	nxpdev->fw_v1_sent_bytes = 0;  in nxp_download_firmware()
597 	nxpdev->fw_v1_expected_len = HDR_LEN;  in nxp_download_firmware()
598 	nxpdev->boot_reg_offset = 0;  in nxp_download_firmware()
599 	nxpdev->fw_dnld_v3_offset = 0;  in nxp_download_firmware()
600 	nxpdev->fw_v3_offset_correction = 0;  in nxp_download_firmware()
601 	nxpdev->baudrate_changed = false;  in nxp_download_firmware()
602 	nxpdev->timeout_changed = false;  in nxp_download_firmware()
603 	nxpdev->helper_downloaded = false;  in nxp_download_firmware()
605 	serdev_device_set_baudrate(nxpdev->serdev, HCI_NXP_PRI_BAUDRATE);  in nxp_download_firmware()
606 	serdev_device_set_flow_control(nxpdev->serdev, false);  in nxp_download_firmware()
607 	nxpdev->current_baudrate = HCI_NXP_PRI_BAUDRATE;  in nxp_download_firmware()
610 	err = wait_event_interruptible_timeout(nxpdev->fw_dnld_done_wait_q,  in nxp_download_firmware()
612 							 &nxpdev->tx_state),  in nxp_download_firmware()
615 	release_firmware(nxpdev->fw);  in nxp_download_firmware()
616 	memset(nxpdev->fw_name, 0, sizeof(nxpdev->fw_name));  in nxp_download_firmware()
620 				nxpdev->fw_dnld_v1_offset ?  in nxp_download_firmware()
621 				nxpdev->fw_dnld_v1_offset :  in nxp_download_firmware()
622 				nxpdev->fw_dnld_v3_offset);  in nxp_download_firmware()
625 	if (test_bit(BTNXPUART_FW_DOWNLOAD_ABORT, &nxpdev->tx_state)) {  in nxp_download_firmware()
630 	serdev_device_set_flow_control(nxpdev->serdev, true);  in nxp_download_firmware()
640 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_send_ack()  local
649 	serdev_device_write_buf(nxpdev->serdev, ack_nak, len);  in nxp_send_ack()
654 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_fw_change_baudrate()  local
657 	u32 clkdivaddr = CLKDIVADDR - nxpdev->boot_reg_offset;  in nxp_fw_change_baudrate()
658 	u32 uartdivaddr = UARTDIVADDR - nxpdev->boot_reg_offset;  in nxp_fw_change_baudrate()
659 	u32 uartmcraddr = UARTMCRADDR - nxpdev->boot_reg_offset;  in nxp_fw_change_baudrate()
660 	u32 uartreinitaddr = UARTREINITADDR - nxpdev->boot_reg_offset;  in nxp_fw_change_baudrate()
661 	u32 uarticraddr = UARTICRADDR - nxpdev->boot_reg_offset;  in nxp_fw_change_baudrate()
662 	u32 uartfcraddr = UARTFCRADDR - nxpdev->boot_reg_offset;  in nxp_fw_change_baudrate()
672 		serdev_device_write_buf(nxpdev->serdev, (u8 *)&nxp_cmd5, sizeof(nxp_cmd5));  in nxp_fw_change_baudrate()
673 		nxpdev->fw_v3_offset_correction += req_len;  in nxp_fw_change_baudrate()
691 		serdev_device_write_buf(nxpdev->serdev, (u8 *)&uart_config, sizeof(uart_config));  in nxp_fw_change_baudrate()
692 		serdev_device_wait_until_sent(nxpdev->serdev, 0);  in nxp_fw_change_baudrate()
693 		nxpdev->fw_v3_offset_correction += req_len;  in nxp_fw_change_baudrate()
701 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_fw_change_timeout()  local
713 	serdev_device_write_buf(nxpdev->serdev, (u8 *)&nxp_cmd7, sizeof(nxp_cmd7));  in nxp_fw_change_timeout()
714 	serdev_device_wait_until_sent(nxpdev->serdev, 0);  in nxp_fw_change_timeout()
715 	nxpdev->fw_v3_offset_correction += req_len;  in nxp_fw_change_timeout()
726 static bool is_fw_downloading(struct btnxpuart_dev *nxpdev)  in is_fw_downloading()  argument
728 	return test_bit(BTNXPUART_FW_DOWNLOADING, &nxpdev->tx_state);  in is_fw_downloading()
731 static bool process_boot_signature(struct btnxpuart_dev *nxpdev)  in process_boot_signature()  argument
733 	if (test_bit(BTNXPUART_CHECK_BOOT_SIGNATURE, &nxpdev->tx_state)) {  in process_boot_signature()
734 		clear_bit(BTNXPUART_CHECK_BOOT_SIGNATURE, &nxpdev->tx_state);  in process_boot_signature()
735 		wake_up_interruptible(&nxpdev->check_boot_sign_wait_q);  in process_boot_signature()
738 	return is_fw_downloading(nxpdev);  in process_boot_signature()
744 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_request_firmware()  local
751 	if (!strlen(nxpdev->fw_name)) {  in nxp_request_firmware()
753 		    !device_property_read_string(&nxpdev->serdev->dev,  in nxp_request_firmware()
757 		snprintf(nxpdev->fw_name, MAX_FW_FILE_NAME_LEN, "nxp/%s", fw_name);  in nxp_request_firmware()
758 		err = request_firmware_direct(&nxpdev->fw, nxpdev->fw_name, &hdev->dev);  in nxp_request_firmware()
760 			snprintf(nxpdev->fw_name, MAX_FW_FILE_NAME_LEN, "nxp/%s", fw_name_old);  in nxp_request_firmware()
761 			err = request_firmware_direct(&nxpdev->fw, nxpdev->fw_name, &hdev->dev);  in nxp_request_firmware()
764 		bt_dev_info(hdev, "Request Firmware: %s", nxpdev->fw_name);  in nxp_request_firmware()
766 			bt_dev_err(hdev, "Firmware file %s not found", nxpdev->fw_name);  in nxp_request_firmware()
767 			clear_bit(BTNXPUART_FW_DOWNLOADING, &nxpdev->tx_state);  in nxp_request_firmware()
776 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_recv_chip_ver_v1()  local
785 	if (chip_id == 0xffff && nxpdev->fw_dnld_v1_offset) {  in nxp_recv_chip_ver_v1()
786 		nxpdev->fw_dnld_v1_offset = 0;  in nxp_recv_chip_ver_v1()
787 		nxpdev->fw_v1_sent_bytes = 0;  in nxp_recv_chip_ver_v1()
788 		nxpdev->fw_v1_expected_len = HDR_LEN;  in nxp_recv_chip_ver_v1()
789 		release_firmware(nxpdev->fw);  in nxp_recv_chip_ver_v1()
790 		memset(nxpdev->fw_name, 0, sizeof(nxpdev->fw_name));  in nxp_recv_chip_ver_v1()
801 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_recv_fw_req_v1()  local
802 	struct btnxpuart_data *nxp_data = nxpdev->nxp_data;  in nxp_recv_fw_req_v1()
806 	if (!process_boot_signature(nxpdev))  in nxp_recv_fw_req_v1()
824 		if (!nxpdev->timeout_changed) {  in nxp_recv_fw_req_v1()
825 			nxpdev->timeout_changed = nxp_fw_change_timeout(hdev,  in nxp_recv_fw_req_v1()
829 		if (!nxpdev->baudrate_changed) {  in nxp_recv_fw_req_v1()
830 			nxpdev->baudrate_changed = nxp_fw_change_baudrate(hdev,  in nxp_recv_fw_req_v1()
832 			if (nxpdev->baudrate_changed) {  in nxp_recv_fw_req_v1()
833 				serdev_device_set_baudrate(nxpdev->serdev,  in nxp_recv_fw_req_v1()
835 				serdev_device_set_flow_control(nxpdev->serdev, true);  in nxp_recv_fw_req_v1()
836 				nxpdev->current_baudrate = HCI_NXP_SEC_BAUDRATE;  in nxp_recv_fw_req_v1()
842 	if (!nxp_data->helper_fw_name || nxpdev->helper_downloaded) {  in nxp_recv_fw_req_v1()
845 	} else if (nxp_data->helper_fw_name && !nxpdev->helper_downloaded) {  in nxp_recv_fw_req_v1()
852 			   nxpdev->fw->size);  in nxp_recv_fw_req_v1()
853 		if (nxp_data->helper_fw_name && !nxpdev->helper_downloaded) {  in nxp_recv_fw_req_v1()
854 			nxpdev->helper_downloaded = true;  in nxp_recv_fw_req_v1()
855 			serdev_device_wait_until_sent(nxpdev->serdev, 0);  in nxp_recv_fw_req_v1()
856 			serdev_device_set_baudrate(nxpdev->serdev,  in nxp_recv_fw_req_v1()
858 			serdev_device_set_flow_control(nxpdev->serdev, true);  in nxp_recv_fw_req_v1()
860 			clear_bit(BTNXPUART_FW_DOWNLOADING, &nxpdev->tx_state);  in nxp_recv_fw_req_v1()
861 			wake_up_interruptible(&nxpdev->fw_dnld_done_wait_q);  in nxp_recv_fw_req_v1()
869 		len = nxpdev->fw_v1_sent_bytes;  in nxp_recv_fw_req_v1()
872 		nxpdev->fw_dnld_v1_offset += nxpdev->fw_v1_sent_bytes;  in nxp_recv_fw_req_v1()
884 		if (len == nxpdev->fw_v1_expected_len) {  in nxp_recv_fw_req_v1()
886 				nxpdev->fw_v1_expected_len = nxp_get_data_len(nxpdev->fw->data +  in nxp_recv_fw_req_v1()
887 									nxpdev->fw_dnld_v1_offset);  in nxp_recv_fw_req_v1()
889 				nxpdev->fw_v1_expected_len = HDR_LEN;  in nxp_recv_fw_req_v1()
892 			nxpdev->fw_dnld_v1_offset -= nxpdev->fw_v1_sent_bytes;  in nxp_recv_fw_req_v1()
893 			nxpdev->fw_v1_expected_len = HDR_LEN;  in nxp_recv_fw_req_v1()
897 	if (nxpdev->fw_dnld_v1_offset + len <= nxpdev->fw->size)  in nxp_recv_fw_req_v1()
898 		serdev_device_write_buf(nxpdev->serdev, nxpdev->fw->data +  in nxp_recv_fw_req_v1()
899 					nxpdev->fw_dnld_v1_offset, len);  in nxp_recv_fw_req_v1()
900 	nxpdev->fw_v1_sent_bytes = len;  in nxp_recv_fw_req_v1()
910 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_get_fw_name_from_chipid()  local
925 		nxpdev->boot_reg_offset = 1;  in nxp_get_fw_name_from_chipid()
981 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_recv_chip_ver_v3()  local
987 	if (!process_boot_signature(nxpdev))  in nxp_recv_chip_ver_v3()
1005 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_handle_fw_download_error()  local
1018 		serdev_device_write_buf(nxpdev->serdev, nak_tx_buf.buf,  in nxp_handle_fw_download_error()
1031 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_recv_fw_req_v3()  local
1036 	if (!process_boot_signature(nxpdev))  in nxp_recv_fw_req_v3()
1040 	if (!req || !nxpdev->fw)  in nxp_recv_fw_req_v3()
1052 	if (!nxpdev->timeout_changed) {  in nxp_recv_fw_req_v3()
1053 		nxpdev->timeout_changed = nxp_fw_change_timeout(hdev, len);  in nxp_recv_fw_req_v3()
1057 	if (!nxpdev->baudrate_changed) {  in nxp_recv_fw_req_v3()
1058 		nxpdev->baudrate_changed = nxp_fw_change_baudrate(hdev, len);  in nxp_recv_fw_req_v3()
1059 		if (nxpdev->baudrate_changed) {  in nxp_recv_fw_req_v3()
1060 			serdev_device_set_baudrate(nxpdev->serdev,  in nxp_recv_fw_req_v3()
1062 			serdev_device_set_flow_control(nxpdev->serdev, true);  in nxp_recv_fw_req_v3()
1063 			nxpdev->current_baudrate = HCI_NXP_SEC_BAUDRATE;  in nxp_recv_fw_req_v3()
1070 			   nxpdev->fw->size);  in nxp_recv_fw_req_v3()
1071 		clear_bit(BTNXPUART_FW_DOWNLOADING, &nxpdev->tx_state);  in nxp_recv_fw_req_v3()
1072 		wake_up_interruptible(&nxpdev->fw_dnld_done_wait_q);  in nxp_recv_fw_req_v3()
1077 	if (offset < nxpdev->fw_v3_offset_correction) {  in nxp_recv_fw_req_v3()
1086 	nxpdev->fw_dnld_v3_offset = offset - nxpdev->fw_v3_offset_correction;  in nxp_recv_fw_req_v3()
1087 	serdev_device_write_buf(nxpdev->serdev, nxpdev->fw->data +  in nxp_recv_fw_req_v3()
1088 				nxpdev->fw_dnld_v3_offset, len);  in nxp_recv_fw_req_v3()
1097 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_set_baudrate_cmd()  local
1098 	__le32 new_baudrate = __cpu_to_le32(nxpdev->new_baudrate);  in nxp_set_baudrate_cmd()
1099 	struct ps_data *psdata = &nxpdev->psdata;  in nxp_set_baudrate_cmd()
1115 			serdev_device_set_baudrate(nxpdev->serdev, nxpdev->new_baudrate);  in nxp_set_baudrate_cmd()
1116 			nxpdev->current_baudrate = nxpdev->new_baudrate;  in nxp_set_baudrate_cmd()
1119 			   *status, nxpdev->new_baudrate);  in nxp_set_baudrate_cmd()
1126 static int nxp_check_boot_sign(struct btnxpuart_dev *nxpdev)  in nxp_check_boot_sign()  argument
1128 	serdev_device_set_baudrate(nxpdev->serdev, HCI_NXP_PRI_BAUDRATE);  in nxp_check_boot_sign()
1129 	if (test_bit(BTNXPUART_IR_IN_PROGRESS, &nxpdev->tx_state))  in nxp_check_boot_sign()
1130 		serdev_device_set_flow_control(nxpdev->serdev, false);  in nxp_check_boot_sign()
1132 		serdev_device_set_flow_control(nxpdev->serdev, true);  in nxp_check_boot_sign()
1133 	set_bit(BTNXPUART_CHECK_BOOT_SIGNATURE, &nxpdev->tx_state);  in nxp_check_boot_sign()
1135 	return wait_event_interruptible_timeout(nxpdev->check_boot_sign_wait_q,  in nxp_check_boot_sign()
1137 							 &nxpdev->tx_state),  in nxp_check_boot_sign()
1161 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_setup()  local
1164 	if (nxp_check_boot_sign(nxpdev)) {  in nxp_setup()
1171 		clear_bit(BTNXPUART_FW_DOWNLOADING, &nxpdev->tx_state);  in nxp_setup()
1174 	serdev_device_set_baudrate(nxpdev->serdev, nxpdev->fw_init_baudrate);  in nxp_setup()
1175 	nxpdev->current_baudrate = nxpdev->fw_init_baudrate;  in nxp_setup()
1177 	if (nxpdev->current_baudrate != HCI_NXP_SEC_BAUDRATE) {  in nxp_setup()
1178 		nxpdev->new_baudrate = HCI_NXP_SEC_BAUDRATE;  in nxp_setup()
1184 	if (test_and_clear_bit(BTNXPUART_IR_IN_PROGRESS, &nxpdev->tx_state))  in nxp_setup()
1192 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_hw_err()  local
1196 		set_bit(BTNXPUART_IR_IN_PROGRESS, &nxpdev->tx_state);  in nxp_hw_err()
1206 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_shutdown()  local
1211 	if (test_bit(BTNXPUART_IR_IN_PROGRESS, &nxpdev->tx_state)) {  in nxp_shutdown()
1218 			serdev_device_set_flow_control(nxpdev->serdev, false);  in nxp_shutdown()
1219 			set_bit(BTNXPUART_FW_DOWNLOADING, &nxpdev->tx_state);  in nxp_shutdown()
1229 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in btnxpuart_queue_skb()  local
1233 	skb_queue_tail(&nxpdev->txq, skb);  in btnxpuart_queue_skb()
1234 	btnxpuart_tx_wakeup(nxpdev);  in btnxpuart_queue_skb()
1240 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in nxp_enqueue()  local
1241 	struct ps_data *psdata = &nxpdev->psdata;  in nxp_enqueue()
1293 				nxpdev->new_baudrate = __le32_to_cpu(baudrate_parm);  in nxp_enqueue()
1318 	struct btnxpuart_dev *nxpdev = (struct btnxpuart_dev *)data;  in nxp_dequeue()  local
1320 	ps_start_timer(nxpdev);  in nxp_dequeue()
1321 	return skb_dequeue(&nxpdev->txq);  in nxp_dequeue()
1327 	struct btnxpuart_dev *nxpdev = container_of(work, struct btnxpuart_dev,  in btnxpuart_tx_work()  local
1329 	struct serdev_device *serdev = nxpdev->serdev;  in btnxpuart_tx_work()
1330 	struct hci_dev *hdev = nxpdev->hdev;  in btnxpuart_tx_work()
1334 	if (ps_wakeup(nxpdev))  in btnxpuart_tx_work()
1337 	while ((skb = nxp_dequeue(nxpdev))) {  in btnxpuart_tx_work()
1343 			skb_queue_head(&nxpdev->txq, skb);  in btnxpuart_tx_work()
1361 	clear_bit(BTNXPUART_TX_STATE_ACTIVE, &nxpdev->tx_state);  in btnxpuart_tx_work()
1366 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in btnxpuart_open()  local
1369 	err = serdev_device_open(nxpdev->serdev);  in btnxpuart_open()
1372 			   dev_name(&nxpdev->serdev->dev));  in btnxpuart_open()
1374 		set_bit(BTNXPUART_SERDEV_OPEN, &nxpdev->tx_state);  in btnxpuart_open()
1381 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in btnxpuart_close()  local
1383 	serdev_device_close(nxpdev->serdev);  in btnxpuart_close()
1384 	skb_queue_purge(&nxpdev->txq);  in btnxpuart_close()
1385 	if (!IS_ERR_OR_NULL(nxpdev->rx_skb)) {  in btnxpuart_close()
1386 		kfree_skb(nxpdev->rx_skb);  in btnxpuart_close()
1387 		nxpdev->rx_skb = NULL;  in btnxpuart_close()
1389 	clear_bit(BTNXPUART_SERDEV_OPEN, &nxpdev->tx_state);  in btnxpuart_close()
1395 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);  in btnxpuart_flush()  local
1398 	serdev_device_write_flush(nxpdev->serdev);  in btnxpuart_flush()
1399 	skb_queue_purge(&nxpdev->txq);  in btnxpuart_flush()
1401 	cancel_work_sync(&nxpdev->tx_work);  in btnxpuart_flush()
1403 	if (!IS_ERR_OR_NULL(nxpdev->rx_skb)) {  in btnxpuart_flush()
1404 		kfree_skb(nxpdev->rx_skb);  in btnxpuart_flush()
1405 		nxpdev->rx_skb = NULL;  in btnxpuart_flush()
1425 	struct btnxpuart_dev *nxpdev = serdev_device_get_drvdata(serdev);  in btnxpuart_receive_buf()  local
1427 	ps_start_timer(nxpdev);  in btnxpuart_receive_buf()
1429 	nxpdev->rx_skb = h4_recv_buf(nxpdev->hdev, nxpdev->rx_skb, data, count,  in btnxpuart_receive_buf()
1431 	if (IS_ERR(nxpdev->rx_skb)) {  in btnxpuart_receive_buf()
1432 		int err = PTR_ERR(nxpdev->rx_skb);  in btnxpuart_receive_buf()
1434 		if (!is_fw_downloading(nxpdev))  in btnxpuart_receive_buf()
1435 			bt_dev_err(nxpdev->hdev, "Frame reassembly failed (%d)", err);  in btnxpuart_receive_buf()
1438 	if (!is_fw_downloading(nxpdev))  in btnxpuart_receive_buf()
1439 		nxpdev->hdev->stat.byte_rx += count;  in btnxpuart_receive_buf()
1456 	struct btnxpuart_dev *nxpdev;  in nxp_serdev_probe()  local
1458 	nxpdev = devm_kzalloc(&serdev->dev, sizeof(*nxpdev), GFP_KERNEL);  in nxp_serdev_probe()
1459 	if (!nxpdev)  in nxp_serdev_probe()
1462 	nxpdev->nxp_data = (struct btnxpuart_data *)device_get_match_data(&serdev->dev);  in nxp_serdev_probe()
1464 	nxpdev->serdev = serdev;  in nxp_serdev_probe()
1465 	serdev_device_set_drvdata(serdev, nxpdev);  in nxp_serdev_probe()
1469 	INIT_WORK(&nxpdev->tx_work, btnxpuart_tx_work);  in nxp_serdev_probe()
1470 	skb_queue_head_init(&nxpdev->txq);  in nxp_serdev_probe()
1472 	init_waitqueue_head(&nxpdev->fw_dnld_done_wait_q);  in nxp_serdev_probe()
1473 	init_waitqueue_head(&nxpdev->check_boot_sign_wait_q);  in nxp_serdev_probe()
1475 	device_property_read_u32(&nxpdev->serdev->dev, "fw-init-baudrate",  in nxp_serdev_probe()
1476 				 &nxpdev->fw_init_baudrate);  in nxp_serdev_probe()
1477 	if (!nxpdev->fw_init_baudrate)  in nxp_serdev_probe()
1478 		nxpdev->fw_init_baudrate = FW_INIT_BAUDRATE;  in nxp_serdev_probe()
1480 	set_bit(BTNXPUART_FW_DOWNLOADING, &nxpdev->tx_state);  in nxp_serdev_probe()
1491 	nxpdev->hdev = hdev;  in nxp_serdev_probe()
1494 	hci_set_drvdata(hdev, nxpdev);  in nxp_serdev_probe()
1519 	struct btnxpuart_dev *nxpdev = serdev_device_get_drvdata(serdev);  in nxp_serdev_remove()  local
1520 	struct hci_dev *hdev = nxpdev->hdev;  in nxp_serdev_remove()
1522 	if (is_fw_downloading(nxpdev)) {  in nxp_serdev_remove()
1523 		set_bit(BTNXPUART_FW_DOWNLOAD_ABORT, &nxpdev->tx_state);  in nxp_serdev_remove()
1524 		clear_bit(BTNXPUART_FW_DOWNLOADING, &nxpdev->tx_state);  in nxp_serdev_remove()
1525 		wake_up_interruptible(&nxpdev->check_boot_sign_wait_q);  in nxp_serdev_remove()
1526 		wake_up_interruptible(&nxpdev->fw_dnld_done_wait_q);  in nxp_serdev_remove()
1532 		if (nxpdev->current_baudrate != nxpdev->fw_init_baudrate) {  in nxp_serdev_remove()
1533 			nxpdev->new_baudrate = nxpdev->fw_init_baudrate;  in nxp_serdev_remove()
1537 	ps_cleanup(nxpdev);  in nxp_serdev_remove()
1545 	struct btnxpuart_dev *nxpdev = dev_get_drvdata(dev);  in nxp_serdev_suspend()  local
1546 	struct ps_data *psdata = &nxpdev->psdata;  in nxp_serdev_suspend()
1554 	struct btnxpuart_dev *nxpdev = dev_get_drvdata(dev);  in nxp_serdev_resume()  local
1555 	struct ps_data *psdata = &nxpdev->psdata;  in nxp_serdev_resume()