net: dsa: remove legacy_pre_march2020 from drivers

Since DSA no longer marks anything as phylink-legacy, there is now no
need for DSA drivers to set this member to false. Remove all instances
of this.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

drivers/net/dsa/b53/b53_common.c

@@ -1393,12 +1393,6 @@ static void b53_phylink_get_caps(struct dsa_switch *ds, int port,
 	/* Get the implementation specific capabilities */
 	if (dev->ops->phylink_get_caps)
 		dev->ops->phylink_get_caps(dev, port, config);
-
-	/* This driver does not make use of the speed, duplex, pause or the
-	 * advertisement in its mac_config, so it is safe to mark this driver
-	 * as non-legacy.
-	 */
-	config->legacy_pre_march2020 = false;
 }
 
 static struct phylink_pcs *b53_phylink_mac_select_pcs(struct dsa_switch *ds,

drivers/net/dsa/lan9303-core.c

@@ -1290,12 +1290,6 @@ static void lan9303_phylink_get_caps(struct dsa_switch *ds, int port,
 		__set_bit(PHY_INTERFACE_MODE_GMII,
 			  config->supported_interfaces);
 	}
-
-	/* This driver does not make use of the speed, duplex, pause or the
-	 * advertisement in its mac_config, so it is safe to mark this driver
-	 * as non-legacy.
-	 */
-	config->legacy_pre_march2020 = false;
 }
 
 static void lan9303_phylink_mac_link_up(struct dsa_switch *ds, int port,

drivers/net/dsa/microchip/ksz_common.c

@@ -1624,8 +1624,6 @@ static void ksz_phylink_get_caps(struct dsa_switch *ds, int port,
 {
 	struct ksz_device *dev = ds->priv;
 
-	config->legacy_pre_march2020 = false;
-
 	if (dev->info->supports_mii[port])
 		__set_bit(PHY_INTERFACE_MODE_MII, config->supported_interfaces);
 

drivers/net/dsa/mt7530.c

@@ -2949,12 +2949,6 @@ static void mt753x_phylink_get_caps(struct dsa_switch *ds, int port,
 	config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
 				   MAC_10 | MAC_100 | MAC_1000FD;
 
-	/* This driver does not make use of the speed, duplex, pause or the
-	 * advertisement in its mac_config, so it is safe to mark this driver
-	 * as non-legacy.
-	 */
-	config->legacy_pre_march2020 = false;
-
 	priv->info->mac_port_get_caps(ds, port, config);
 }
 

drivers/net/dsa/mv88e6xxx/chip.c

@@ -769,10 +769,6 @@ static void mv88e6xxx_get_caps(struct dsa_switch *ds, int port,
 		__set_bit(PHY_INTERFACE_MODE_GMII,
 			  config->supported_interfaces);
 	}
-
-	/* If we have a .pcs_init, we are not legacy. */
-	if (chip->info->ops->pcs_ops)
-		config->legacy_pre_march2020 = false;
 }
 
 static struct phylink_pcs *mv88e6xxx_mac_select_pcs(struct dsa_switch *ds,

drivers/net/dsa/ocelot/felix.c

@@ -1042,12 +1042,6 @@ static void felix_phylink_get_caps(struct dsa_switch *ds, int port,
 {
 	struct ocelot *ocelot = ds->priv;
 
-	/* This driver does not make use of the speed, duplex, pause or the
-	 * advertisement in its mac_config, so it is safe to mark this driver
-	 * as non-legacy.
-	 */
-	config->legacy_pre_march2020 = false;
-
 	config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
 				   MAC_10 | MAC_100 | MAC_1000FD |
 				   MAC_2500FD;

drivers/net/dsa/qca/qca8k-8xxx.c

@@ -1397,8 +1397,6 @@ static void qca8k_phylink_get_caps(struct dsa_switch *ds, int port,
 
 	config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
 		MAC_10 | MAC_100 | MAC_1000FD;
-
-	config->legacy_pre_march2020 = false;
 }
 
 static void

drivers/net/dsa/sja1105/sja1105_main.c

@@ -1396,12 +1396,6 @@ static void sja1105_phylink_get_caps(struct dsa_switch *ds, int port,
 	struct sja1105_xmii_params_entry *mii;
 	phy_interface_t phy_mode;
 
-	/* This driver does not make use of the speed, duplex, pause or the
-	 * advertisement in its mac_config, so it is safe to mark this driver
-	 * as non-legacy.
-	 */
-	config->legacy_pre_march2020 = false;
-
 	phy_mode = priv->phy_mode[port];
 	if (phy_mode == PHY_INTERFACE_MODE_SGMII ||
 	    phy_mode == PHY_INTERFACE_MODE_2500BASEX) {