diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c
index 36050e429924..b57d4271acdb 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.c
+++ b/drivers/net/dsa/mv88e6xxx/serdes.c
@@ -375,10 +375,10 @@ static int mv88e6390_serdes_power_lane(struct mv88e6xxx_chip *chip, int port,
 	switch (cmode) {
 	case MV88E6XXX_PORT_STS_CMODE_SGMII:
 	case MV88E6XXX_PORT_STS_CMODE_1000BASE_X:
+	case MV88E6XXX_PORT_STS_CMODE_2500BASEX:
 		return mv88e6390_serdes_power_sgmii(chip, lane, on);
 	case MV88E6XXX_PORT_STS_CMODE_XAUI:
 	case MV88E6XXX_PORT_STS_CMODE_RXAUI:
-	case MV88E6XXX_PORT_STS_CMODE_2500BASEX:
 		return mv88e6390_serdes_power_10g(chip, lane, on);
 	}