205 	int error;  in wdt87xx_i2c_xfer()  local
210 		error = ret < 0 ? ret : -EIO;  in wdt87xx_i2c_xfer()
212 			__func__, error);  in wdt87xx_i2c_xfer()
213 		return error;  in wdt87xx_i2c_xfer()
223 	int error;  in wdt87xx_get_desc()  local
227 	error = wdt87xx_i2c_xfer(client, tx_buf, sizeof(tx_buf),  in wdt87xx_get_desc()
229 	if (error) {  in wdt87xx_get_desc()
230 		dev_err(&client->dev, "get desc failed: %d\n", error);  in wdt87xx_get_desc()
231 		return error;  in wdt87xx_get_desc()
251 	int error;  in wdt87xx_get_string()  local
256 	error = wdt87xx_i2c_xfer(client, tx_buf, sizeof(tx_buf),  in wdt87xx_get_string()
258 	if (error) {  in wdt87xx_get_string()
259 		dev_err(&client->dev, "get string failed: %d\n", error);  in wdt87xx_get_string()
260 		return error;  in wdt87xx_get_string()
284 	int error;  in wdt87xx_get_feature()  local
303 	error = wdt87xx_i2c_xfer(client, tx_buf, tx_len, rx_buf, rx_len);  in wdt87xx_get_feature()
304 	if (error) {  in wdt87xx_get_feature()
305 		dev_err(&client->dev, "get feature failed: %d\n", error);  in wdt87xx_get_feature()
306 		return error;  in wdt87xx_get_feature()
322 	int error;  in wdt87xx_set_feature()  local
346 	error = i2c_master_send(client, tx_buf, tx_len);  in wdt87xx_set_feature()
347 	if (error < 0) {  in wdt87xx_set_feature()
348 		dev_err(&client->dev, "set feature failed: %d\n", error);  in wdt87xx_set_feature()
349 		return error;  in wdt87xx_set_feature()
399 	int error;  in wdt87xx_sw_reset()  local
403 	error = wdt87xx_send_command(client, VND_CMD_RESET, 0);  in wdt87xx_sw_reset()
404 	if (error) {  in wdt87xx_sw_reset()
406 		return error;  in wdt87xx_sw_reset()
438 	int error;  in wdt87xx_get_sysparam()  local
440 	error = wdt87xx_get_desc(client, WDT_GD_DEVICE, buf, 18);  in wdt87xx_get_sysparam()
441 	if (error) {  in wdt87xx_get_sysparam()
443 		return error;  in wdt87xx_get_sysparam()
449 	error = wdt87xx_get_string(client, STRIDX_PARAMETERS, buf, 34);  in wdt87xx_get_sysparam()
450 	if (error) {  in wdt87xx_get_sysparam()
452 		return error;  in wdt87xx_get_sysparam()
470 	error = wdt87xx_get_string(client, STRIDX_PLATFORM_ID, buf, 8);  in wdt87xx_get_sysparam()
471 	if (error) {  in wdt87xx_get_sysparam()
473 		return error;  in wdt87xx_get_sysparam()
479 	error = wdt87xx_get_feature(client, buf, 16);  in wdt87xx_get_sysparam()
480 	if (error) {  in wdt87xx_get_sysparam()
482 		return error;  in wdt87xx_get_sysparam()
568 	int error;  in wdt87xx_write_data()  local
588 		error = wdt87xx_set_feature(client, pkt_buf, sizeof(pkt_buf));  in wdt87xx_write_data()
589 		if (error)  in wdt87xx_write_data()
590 			return error;  in wdt87xx_write_data()
644 	int error;  in wdt87xx_get_checksum()  local
649 	error = wdt87xx_send_command(client, VND_SET_CHECKSUM_LENGTH, length);  in wdt87xx_get_checksum()
650 	if (error) {  in wdt87xx_get_checksum()
652 		return error;  in wdt87xx_get_checksum()
655 	error = wdt87xx_send_command(client, VND_SET_CHECKSUM_CALC, address);  in wdt87xx_get_checksum()
656 	if (error) {  in wdt87xx_get_checksum()
658 		return error;  in wdt87xx_get_checksum()
668 	error = wdt87xx_set_feature(client, cmd_buf, sizeof(cmd_buf));  in wdt87xx_get_checksum()
669 	if (error) {  in wdt87xx_get_checksum()
671 		return error;  in wdt87xx_get_checksum()
676 	error = wdt87xx_get_feature(client, pkt_buf, sizeof(pkt_buf));  in wdt87xx_get_checksum()
677 	if (error) {  in wdt87xx_get_checksum()
679 		return error;  in wdt87xx_get_checksum()
691 	int error;  in wdt87xx_write_firmware()  local
699 	error = wdt87xx_send_command(client, VND_CMD_STOP, MODE_STOP);  in wdt87xx_write_firmware()
700 	if (error) {  in wdt87xx_write_firmware()
702 		return error;  in wdt87xx_write_firmware()
705 	error = wdt87xx_send_command(client, VND_CMD_SFUNL, 0);  in wdt87xx_write_firmware()
706 	if (error) {  in wdt87xx_write_firmware()
721 			error = wdt87xx_send_command(client, VND_CMD_ERASE,  in wdt87xx_write_firmware()
723 			if (error) {  in wdt87xx_write_firmware()
731 			error = wdt87xx_write_data(client, data, start_addr,  in wdt87xx_write_firmware()
733 			if (error) {  in wdt87xx_write_firmware()
740 			error = wdt87xx_get_checksum(client, &device_checksum,  in wdt87xx_write_firmware()
742 			if (error) {  in wdt87xx_write_firmware()
762 			error = -EIO;  in wdt87xx_write_firmware()
782 	return error ? error : err1;  in wdt87xx_write_firmware()
789 	int error;  in wdt87xx_load_chunk()  local
798 	error = wdt87xx_validate_fw_chunk(chunk, ck_id);  in wdt87xx_load_chunk()
799 	if (error) {  in wdt87xx_load_chunk()
801 			ck_id, error);  in wdt87xx_load_chunk()
802 		return error;  in wdt87xx_load_chunk()
805 	error = wdt87xx_write_firmware(client, chunk);  in wdt87xx_load_chunk()
806 	if (error) {  in wdt87xx_load_chunk()
809 			ck_id, error);  in wdt87xx_load_chunk()
810 		return error;  in wdt87xx_load_chunk()
821 	int error;  in wdt87xx_do_update_firmware()  local
823 	error = wdt87xx_validate_firmware(wdt, fw);  in wdt87xx_do_update_firmware()
824 	if (error)  in wdt87xx_do_update_firmware()
825 		return error;  in wdt87xx_do_update_firmware()
827 	error = mutex_lock_interruptible(&wdt->fw_mutex);  in wdt87xx_do_update_firmware()
828 	if (error)  in wdt87xx_do_update_firmware()
829 		return error;  in wdt87xx_do_update_firmware()
833 	error = wdt87xx_load_chunk(client, fw, chunk_id);  in wdt87xx_do_update_firmware()
834 	if (error) {  in wdt87xx_do_update_firmware()
837 			chunk_id, error);  in wdt87xx_do_update_firmware()
841 	error = wdt87xx_sw_reset(client);  in wdt87xx_do_update_firmware()
842 	if (error) {  in wdt87xx_do_update_firmware()
843 		dev_err(&client->dev, "soft reset failed: %d\n", error);  in wdt87xx_do_update_firmware()
848 	error = wdt87xx_get_sysparam(client, &wdt->param);  in wdt87xx_do_update_firmware()
849 	if (error)  in wdt87xx_do_update_firmware()
851 			"failed to refresh system parameters: %d\n", error);  in wdt87xx_do_update_firmware()
856 	return error ? error : 0;  in wdt87xx_do_update_firmware()
864 	int error;  in wdt87xx_update_firmware()  local
866 	error = request_firmware(&fw, fw_name, dev);  in wdt87xx_update_firmware()
867 	if (error) {  in wdt87xx_update_firmware()
869 			fw_name, error);  in wdt87xx_update_firmware()
870 		return error;  in wdt87xx_update_firmware()
873 	error = wdt87xx_do_update_firmware(client, fw, chunk_id);  in wdt87xx_update_firmware()
877 	return error ? error : 0;  in wdt87xx_update_firmware()
915 	int error;  in update_config_store()  local
917 	error = wdt87xx_update_firmware(dev, WDT87XX_CFG_NAME, CHUNK_ID_CNFG);  in update_config_store()
919 	return error ? error : count;  in update_config_store()
926 	int error;  in update_fw_store()  local
928 	error = wdt87xx_update_firmware(dev, WDT87XX_FW_NAME, CHUNK_ID_FRWR);  in update_fw_store()
930 	return error ? error : count;  in update_fw_store()
998 	int error;  in wdt87xx_ts_interrupt()  local
1001 	error = i2c_master_recv(client, raw_buf, WDT_V1_RAW_BUF_COUNT);  in wdt87xx_ts_interrupt()
1002 	if (error < 0) {  in wdt87xx_ts_interrupt()
1003 		dev_err(&client->dev, "read v1 raw data failed: %d\n", error);  in wdt87xx_ts_interrupt()
1029 	int error;  in wdt87xx_ts_create_input_device()  local
1058 	error = input_register_device(input);  in wdt87xx_ts_create_input_device()
1059 	if (error) {  in wdt87xx_ts_create_input_device()
1060 		dev_err(dev, "failed to register input device: %d\n", error);  in wdt87xx_ts_create_input_device()
1061 		return error;  in wdt87xx_ts_create_input_device()
1071 	int error;  in wdt87xx_ts_probe()  local
1091 	error = wdt87xx_get_sysparam(client, &wdt->param);  in wdt87xx_ts_probe()
1092 	if (error)  in wdt87xx_ts_probe()
1093 		return error;  in wdt87xx_ts_probe()
1095 	error = wdt87xx_ts_create_input_device(wdt);  in wdt87xx_ts_probe()
1096 	if (error)  in wdt87xx_ts_probe()
1097 		return error;  in wdt87xx_ts_probe()
1099 	error = devm_request_threaded_irq(&client->dev, client->irq,  in wdt87xx_ts_probe()
1103 	if (error) {  in wdt87xx_ts_probe()
1104 		dev_err(&client->dev, "request irq failed: %d\n", error);  in wdt87xx_ts_probe()
1105 		return error;  in wdt87xx_ts_probe()
1108 	error = devm_device_add_group(&client->dev, &wdt87xx_attr_group);  in wdt87xx_ts_probe()
1109 	if (error) {  in wdt87xx_ts_probe()
1110 		dev_err(&client->dev, "create sysfs failed: %d\n", error);  in wdt87xx_ts_probe()
1111 		return error;  in wdt87xx_ts_probe()
1120 	int error;  in wdt87xx_suspend()  local
1124 	error = wdt87xx_send_command(client, VND_CMD_STOP, MODE_IDLE);  in wdt87xx_suspend()
1125 	if (error) {  in wdt87xx_suspend()
1129 			error);  in wdt87xx_suspend()
1130 		return error;  in wdt87xx_suspend()
1139 	int error;  in wdt87xx_resume()  local
1147 	error = wdt87xx_send_command(client, VND_CMD_START, 0);  in wdt87xx_resume()
1148 	if (error)  in wdt87xx_resume()
1151 			error);  in wdt87xx_resume()