diff --git a/drivers/net/ethernet/netswift/txgbe/txgbe_hw.c b/drivers/net/ethernet/netswift/txgbe/txgbe_hw.c
index 3f5187b0ef23e76ba067fd792af820a6c20db559..5c04af677eb8f576a6a437e7ee427897a50d5a0d 100644
--- a/drivers/net/ethernet/netswift/txgbe/txgbe_hw.c
+++ b/drivers/net/ethernet/netswift/txgbe/txgbe_hw.c
@@ -3217,10 +3217,10 @@ s32 txgbe_get_thermal_sensor_data(struct txgbe_hw *hw)
 
 	tsv = tsv < 1200 ? tsv : 1200;
 	tsv = -(48380 << 8) / 1000
-		+ tsv * (31020 << 8) / 100000
-		- tsv * tsv * (18201 << 8) / 100000000
-		+ tsv * tsv * tsv * (81542 << 8) / 1000000000000
-		- tsv * tsv * tsv * tsv * (16743 << 8) / 1000000000000000;
+		  + div64_s64(tsv * (31020 << 8), 100000)
+		  - div64_s64(tsv * tsv * (18201 << 8), 100000000)
+		  + div64_s64(tsv * tsv * tsv * (81542 << 8), 1000000000000)
+		  - div64_s64(tsv * tsv * tsv * tsv * (16743 << 8), 1000000000000000);
 	tsv >>= 8;
 
 	data->sensor.temp = (s16)tsv;
@@ -3231,10 +3231,10 @@ s32 txgbe_get_thermal_sensor_data(struct txgbe_hw *hw)
 			tsv = tsv & TXGBE_TS_ST_DATA_OUT_MASK;
 			tsv = tsv < 1200 ? tsv : 1200;
 			tsv = -(48380 << 8) / 1000
-					+ tsv * (31020 << 8) / 100000
-					- tsv * tsv * (18201 << 8) / 100000000
-					+ tsv * tsv * tsv * (81542 << 8) / 1000000000000
-					- tsv * tsv * tsv * tsv * (16743 << 8) / 1000000000000000;
+				  + div64_s64(tsv * (31020 << 8), 100000)
+				  - div64_s64(tsv * tsv * (18201 << 8), 100000000)
+				  + div64_s64(tsv * tsv * tsv * (81542 << 8), 1000000000000)
+				  - div64_s64(tsv * tsv * tsv * tsv * (16743 << 8), 1000000000000000);
 			tsv >>= 8;
 
 			data->sensor.temp = (s16)tsv;
diff --git a/drivers/net/ethernet/netswift/txgbe/txgbe_sysfs.c b/drivers/net/ethernet/netswift/txgbe/txgbe_sysfs.c
index 29a4be546ac56cae16cd9a449feb27c5dbc91fc7..80084c96f47f830eab7efeb5dd9dd458fd570747 100644
--- a/drivers/net/ethernet/netswift/txgbe/txgbe_sysfs.c
+++ b/drivers/net/ethernet/netswift/txgbe/txgbe_sysfs.c
@@ -1,14 +1,3 @@
-/*
- * WangXun 10 Gigabit PCI Express Linux driver
- * Copyright (c) 2015 - 2017 Beijing WangXun Technology Co., Ltd.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 // SPDX-License-Identifier: GPL-2.0
 /* Copyright (c) 2019 - 2022 Beijing WangXun Technology Co., Ltd. */