diff --git a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.h b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.h
index 12768a445..7239cf9fa 100644
--- a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.h
+++ b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.h
@@ -93,6 +93,7 @@ struct rtl8366_smi_ops {
 	int	(*is_vlan_valid)(struct rtl8366_smi *smi, unsigned vlan);
 	int	(*enable_vlan)(struct rtl8366_smi *smi, int enable);
 	int	(*enable_vlan4k)(struct rtl8366_smi *smi, int enable);
+	int	(*enable_port)(struct rtl8366_smi *smi, int port, int enable);
 };
 
 struct rtl8366_smi *rtl8366_smi_alloc(struct device *parent);
diff --git a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366rb.c b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366rb.c
index c991db8c1..492ed2535 100644
--- a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366rb.c
+++ b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366rb.c
@@ -607,6 +607,12 @@ static int rtl8366rb_enable_vlan4k(struct rtl8366_smi *smi, int enable)
 				(enable) ? RTL8366RB_SGCR_EN_VLAN_4KTB : 0);
 }
 
+static int rtl8366rb_enable_port(struct rtl8366_smi *smi, int port, int enable)
+{
+	return rtl8366_smi_rmwr(smi, RTL8366RB_PECR, (1 << port),
+				(enable) ? 0 : (1 << port));
+}
+
 static int rtl8366rb_sw_reset_mibs(struct switch_dev *dev,
 				  const struct switch_attr *attr,
 				  struct switch_val *val)
@@ -1214,6 +1220,7 @@ static struct rtl8366_smi_ops rtl8366rb_smi_ops = {
 	.is_vlan_valid	= rtl8366rb_is_vlan_valid,
 	.enable_vlan	= rtl8366rb_enable_vlan,
 	.enable_vlan4k	= rtl8366rb_enable_vlan4k,
+	.enable_port	= rtl8366rb_enable_port,
 };
 
 static int __devinit rtl8366rb_probe(struct platform_device *pdev)
diff --git a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366s.c b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366s.c
index 80a546a2d..2d472cfd3 100644
--- a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366s.c
+++ b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366s.c
@@ -605,6 +605,12 @@ static int rtl8366s_is_vlan_valid(struct rtl8366_smi *smi, unsigned vlan)
 	return 1;
 }
 
+static int rtl8366s_enable_port(struct rtl8366_smi *smi, int port, int enable)
+{
+	return rtl8366_smi_rmwr(smi, RTL8366S_PECR, (1 << port),
+				(enable) ? 0 : (1 << port));
+}
+
 static int rtl8366s_sw_reset_mibs(struct switch_dev *dev,
 				  const struct switch_attr *attr,
 				  struct switch_val *val)
@@ -1032,6 +1038,7 @@ static struct rtl8366_smi_ops rtl8366s_smi_ops = {
 	.is_vlan_valid	= rtl8366s_is_vlan_valid,
 	.enable_vlan	= rtl8366s_enable_vlan,
 	.enable_vlan4k	= rtl8366s_enable_vlan4k,
+	.enable_port	= rtl8366s_enable_port,
 };
 
 static int __devinit rtl8366s_probe(struct platform_device *pdev)