From: Russell King <rmk+kernel@armlinux.org.uk>
Date: Sat, 20 Jun 2020 10:21:32 +0100
Subject: net: mvpp2: add mvpp2_phylink_to_port() helper
Patch-mainline: v5.9-rc1
Git-commit: 6c2b49eb96716e91f202756bfbd3f5fea3b2b172
References: 1187171

Add a helper to convert the struct phylink_config pointer passed in
from phylink to the drivers internal struct mvpp2_port.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
---
 drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c |   29 +++++++++++-------------
 1 file changed, 14 insertions(+), 15 deletions(-)

--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -4750,12 +4750,16 @@ static void mvpp2_port_copy_mac_addr(str
 	eth_hw_addr_random(dev);
 }
 
+static struct mvpp2_port *mvpp2_phylink_to_port(struct phylink_config *config)
+{
+	return container_of(config, struct mvpp2_port, phylink_config);
+}
+
 static void mvpp2_phylink_validate(struct phylink_config *config,
 				   unsigned long *supported,
 				   struct phylink_link_state *state)
 {
-	struct mvpp2_port *port = container_of(config, struct mvpp2_port,
-					       phylink_config);
+	struct mvpp2_port *port = mvpp2_phylink_to_port(config);
 	__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
 
 	/* Invalid combinations */
@@ -4882,8 +4886,7 @@ static void mvpp2_gmac_link_state(struct
 static int mvpp2_phylink_mac_link_state(struct phylink_config *config,
 					struct phylink_link_state *state)
 {
-	struct mvpp2_port *port = container_of(config, struct mvpp2_port,
-					       phylink_config);
+	struct mvpp2_port *port = mvpp2_phylink_to_port(config);
 
 	if (port->priv->hw_version == MVPP22 && port->gop_id == 0) {
 		u32 mode = readl(port->base + MVPP22_XLG_CTRL3_REG);
@@ -4901,8 +4904,7 @@ static int mvpp2_phylink_mac_link_state(
 
 static void mvpp2_mac_an_restart(struct phylink_config *config)
 {
-	struct mvpp2_port *port = container_of(config, struct mvpp2_port,
-					       phylink_config);
+	struct mvpp2_port *port = mvpp2_phylink_to_port(config);
 	u32 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
 
 	writel(val | MVPP2_GMAC_IN_BAND_RESTART_AN,
@@ -5090,13 +5092,12 @@ static void mvpp2_gmac_config(struct mvp
 static void mvpp2_mac_config(struct phylink_config *config, unsigned int mode,
 			     const struct phylink_link_state *state)
 {
-	struct net_device *dev = to_net_dev(config->dev);
-	struct mvpp2_port *port = netdev_priv(dev);
+	struct mvpp2_port *port = mvpp2_phylink_to_port(config);
 	bool change_interface = port->phy_interface != state->interface;
 
 	/* Check for invalid configuration */
 	if (mvpp2_is_xlg(state->interface) && port->gop_id != 0) {
-		netdev_err(dev, "Invalid mode on %s\n", dev->name);
+		netdev_err(port->dev, "Invalid mode on %s\n", port->dev->name);
 		return;
 	}
 
@@ -5140,8 +5140,7 @@ static void mvpp2_mac_link_up(struct phy
 			      int speed, int duplex,
 			      bool tx_pause, bool rx_pause)
 {
-	struct net_device *dev = to_net_dev(config->dev);
-	struct mvpp2_port *port = netdev_priv(dev);
+	struct mvpp2_port *port = mvpp2_phylink_to_port(config);
 	u32 val;
 
 	if (!phylink_autoneg_inband(mode)) {
@@ -5155,14 +5155,13 @@ static void mvpp2_mac_link_up(struct phy
 
 	mvpp2_egress_enable(port);
 	mvpp2_ingress_enable(port);
-	netif_tx_wake_all_queues(dev);
+	netif_tx_wake_all_queues(port->dev);
 }
 
 static void mvpp2_mac_link_down(struct phylink_config *config,
 				unsigned int mode, phy_interface_t interface)
 {
-	struct net_device *dev = to_net_dev(config->dev);
-	struct mvpp2_port *port = netdev_priv(dev);
+	struct mvpp2_port *port = mvpp2_phylink_to_port(config);
 	u32 val;
 
 	if (!phylink_autoneg_inband(mode)) {
@@ -5179,7 +5178,7 @@ static void mvpp2_mac_link_down(struct p
 		}
 	}
 
-	netif_tx_stop_all_queues(dev);
+	netif_tx_stop_all_queues(port->dev);
 	mvpp2_egress_disable(port);
 	mvpp2_ingress_disable(port);