diff --git a/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/dsa.c b/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/dsa.c
index 987b47dc8f..17928e7650 100644
--- a/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/dsa.c
+++ b/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/dsa.c
@@ -145,7 +145,9 @@ const struct rtl83xx_mib_desc rtl83xx_mib[] = {
 /* DSA callbacks */
 
 
-static enum dsa_tag_protocol rtl83xx_get_tag_protocol(struct dsa_switch *ds, int port)
+static enum dsa_tag_protocol rtl83xx_get_tag_protocol(struct dsa_switch *ds,
+						     int port,
+						     enum dsa_tag_protocol mprot)
 {
 	/* The switch does not tag the frames, instead internally the header
 	 * structure for each packet is tagged accordingly.