3 files changed, 43 insertions, 140 deletions

diff --git a/drivers/net/ethernet/freescale/dpaa/Kconfig b/drivers/net/ethernet/freescale/dpaa/Kconfig
index 0e1439fd00bd..2b560661c82a 100644
--- a/drivers/net/ethernet/freescale/dpaa/Kconfig
+++ b/drivers/net/ethernet/freescale/dpaa/Kconfig
@@ -2,8 +2,8 @@
 menuconfig FSL_DPAA_ETH
 	tristate "DPAA Ethernet"
 	depends on FSL_DPAA && FSL_FMAN
-	select PHYLIB
-	select FIXED_PHY
+	select PHYLINK
+	select PCS_LYNX
 	help
 	  Data Path Acceleration Architecture Ethernet driver,
 	  supporting the Freescale QorIQ chips.
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index fc68a32ce2f7..3f8032947d86 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -264,8 +264,19 @@ static int dpaa_netdev_init(struct net_device *net_dev,
 	net_dev->needed_headroom = priv->tx_headroom;
 	net_dev->watchdog_timeo = msecs_to_jiffies(tx_timeout);
 
-	mac_dev->net_dev = net_dev;
+	/* The rest of the config is filled in by the mac device already */
+	mac_dev->phylink_config.dev = &net_dev->dev;
+	mac_dev->phylink_config.type = PHYLINK_NETDEV;
 	mac_dev->update_speed = dpaa_eth_cgr_set_speed;
+	mac_dev->phylink = phylink_create(&mac_dev->phylink_config,
+					  dev_fwnode(mac_dev->dev),
+					  mac_dev->phy_if,
+					  mac_dev->phylink_ops);
+	if (IS_ERR(mac_dev->phylink)) {
+		err = PTR_ERR(mac_dev->phylink);
+		dev_err_probe(dev, err, "Could not create phylink\n");
+		return err;
+	}
 
 	/* start without the RUNNING flag, phylib controls it later */
 	netif_carrier_off(net_dev);
@@ -273,6 +284,7 @@ static int dpaa_netdev_init(struct net_device *net_dev,
 	err = register_netdev(net_dev);
 	if (err < 0) {
 		dev_err(dev, "register_netdev() = %d\n", err);
+		phylink_destroy(mac_dev->phylink);
 		return err;
 	}
 
@@ -294,8 +306,7 @@ static int dpaa_stop(struct net_device *net_dev)
 	 */
 	msleep(200);
 
-	if (mac_dev->phy_dev)
-		phy_stop(mac_dev->phy_dev);
+	phylink_stop(mac_dev->phylink);
 	mac_dev->disable(mac_dev->fman_mac);
 
 	for (i = 0; i < ARRAY_SIZE(mac_dev->port); i++) {
@@ -304,8 +315,7 @@ static int dpaa_stop(struct net_device *net_dev)
 			err = error;
 	}
 
-	if (net_dev->phydev)
-		phy_disconnect(net_dev->phydev);
+	phylink_disconnect_phy(mac_dev->phylink);
 	net_dev->phydev = NULL;
 
 	msleep(200);
@@ -833,10 +843,10 @@ static int dpaa_eth_cgr_init(struct dpaa_priv *priv)
 
 	/* Set different thresholds based on the configured MAC speed.
 	 * This may turn suboptimal if the MAC is reconfigured at another
-	 * speed, so MACs must call dpaa_eth_cgr_set_speed in their adjust_link
+	 * speed, so MACs must call dpaa_eth_cgr_set_speed in their link_up
 	 * callback.
 	 */
-	if (priv->mac_dev->if_support & SUPPORTED_10000baseT_Full)
+	if (priv->mac_dev->phylink_config.mac_capabilities & MAC_10000FD)
 		cs_th = DPAA_CS_THRESHOLD_10G;
 	else
 		cs_th = DPAA_CS_THRESHOLD_1G;
@@ -865,7 +875,7 @@ out_error:
 
 static void dpaa_eth_cgr_set_speed(struct mac_device *mac_dev, int speed)
 {
-	struct net_device *net_dev = mac_dev->net_dev;
+	struct net_device *net_dev = to_net_dev(mac_dev->phylink_config.dev);
 	struct dpaa_priv *priv = netdev_priv(net_dev);
 	struct qm_mcc_initcgr opts = { };
 	u32 cs_th;
@@ -2904,58 +2914,6 @@ static void dpaa_eth_napi_disable(struct dpaa_priv *priv)
 	}
 }
 
-static void dpaa_adjust_link(struct net_device *net_dev)
-{
-	struct mac_device *mac_dev;
-	struct dpaa_priv *priv;
-
-	priv = netdev_priv(net_dev);
-	mac_dev = priv->mac_dev;
-	mac_dev->adjust_link(mac_dev);
-}
-
-/* The Aquantia PHYs are capable of performing rate adaptation */
-#define PHY_VEND_AQUANTIA	0x03a1b400
-#define PHY_VEND_AQUANTIA2	0x31c31c00
-
-static int dpaa_phy_init(struct net_device *net_dev)
-{
-	__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
-	struct mac_device *mac_dev;
-	struct phy_device *phy_dev;
-	struct dpaa_priv *priv;
-	u32 phy_vendor;
-
-	priv = netdev_priv(net_dev);
-	mac_dev = priv->mac_dev;
-
-	phy_dev = of_phy_connect(net_dev, mac_dev->phy_node,
-				 &dpaa_adjust_link, 0,
-				 mac_dev->phy_if);
-	if (!phy_dev) {
-		netif_err(priv, ifup, net_dev, "init_phy() failed\n");
-		return -ENODEV;
-	}
-
-	phy_vendor = phy_dev->drv->phy_id & GENMASK(31, 10);
-	/* Unless the PHY is capable of rate adaptation */
-	if (mac_dev->phy_if != PHY_INTERFACE_MODE_XGMII ||
-	    (phy_vendor != PHY_VEND_AQUANTIA &&
-	     phy_vendor != PHY_VEND_AQUANTIA2)) {
-		/* remove any features not supported by the controller */
-		ethtool_convert_legacy_u32_to_link_mode(mask,
-							mac_dev->if_support);
-		linkmode_and(phy_dev->supported, phy_dev->supported, mask);
-	}
-
-	phy_support_asym_pause(phy_dev);
-
-	mac_dev->phy_dev = phy_dev;
-	net_dev->phydev = phy_dev;
-
-	return 0;
-}
-
 static int dpaa_open(struct net_device *net_dev)
 {
 	struct mac_device *mac_dev;
@@ -2966,7 +2924,8 @@ static int dpaa_open(struct net_device *net_dev)
 	mac_dev = priv->mac_dev;
 	dpaa_eth_napi_enable(priv);
 
-	err = dpaa_phy_init(net_dev);
+	err = phylink_of_phy_connect(mac_dev->phylink,
+				     mac_dev->dev->of_node, 0);
 	if (err)
 		goto phy_init_failed;
 
@@ -2981,7 +2940,7 @@ static int dpaa_open(struct net_device *net_dev)
 		netif_err(priv, ifup, net_dev, "mac_dev->enable() = %d\n", err);
 		goto mac_start_failed;
 	}
-	phy_start(priv->mac_dev->phy_dev);
+	phylink_start(mac_dev->phylink);
 
 	netif_tx_start_all_queues(net_dev);
 
@@ -2990,6 +2949,7 @@ static int dpaa_open(struct net_device *net_dev)
 mac_start_failed:
 	for (i = 0; i < ARRAY_SIZE(mac_dev->port); i++)
 		fman_port_disable(mac_dev->port[i]);
+	phylink_disconnect_phy(mac_dev->phylink);
 
 phy_init_failed:
 	dpaa_eth_napi_disable(priv);
@@ -3145,10 +3105,12 @@ static int dpaa_ts_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 static int dpaa_ioctl(struct net_device *net_dev, struct ifreq *rq, int cmd)
 {
 	int ret = -EINVAL;
+	struct dpaa_priv *priv = netdev_priv(net_dev);
 
 	if (cmd == SIOCGMIIREG) {
 		if (net_dev->phydev)
-			return phy_mii_ioctl(net_dev->phydev, rq, cmd);
+			return phylink_mii_ioctl(priv->mac_dev->phylink, rq,
+						 cmd);
 	}
 
 	if (cmd == SIOCSHWTSTAMP)
@@ -3551,6 +3513,7 @@ static int dpaa_remove(struct platform_device *pdev)
 
 	dev_set_drvdata(dev, NULL);
 	unregister_netdev(net_dev);
+	phylink_destroy(priv->mac_dev->phylink);
 
 	err = dpaa_fq_free(dev, &priv->dpaa_fq_list);
 
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
index 769e936a263c..9c71cbbb13d8 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
@@ -54,27 +54,19 @@ static char dpaa_stats_global[][ETH_GSTRING_LEN] = {
 static int dpaa_get_link_ksettings(struct net_device *net_dev,
 				   struct ethtool_link_ksettings *cmd)
 {
-	if (!net_dev->phydev)
-		return 0;
+	struct dpaa_priv *priv = netdev_priv(net_dev);
+	struct mac_device *mac_dev = priv->mac_dev;
 
-	phy_ethtool_ksettings_get(net_dev->phydev, cmd);
-
-	return 0;
+	return phylink_ethtool_ksettings_get(mac_dev->phylink, cmd);
 }
 
 static int dpaa_set_link_ksettings(struct net_device *net_dev,
 				   const struct ethtool_link_ksettings *cmd)
 {
-	int err;
-
-	if (!net_dev->phydev)
-		return -ENODEV;
-
-	err = phy_ethtool_ksettings_set(net_dev->phydev, cmd);
-	if (err < 0)
-		netdev_err(net_dev, "phy_ethtool_ksettings_set() = %d\n", err);
+	struct dpaa_priv *priv = netdev_priv(net_dev);
+	struct mac_device *mac_dev = priv->mac_dev;
 
-	return err;
+	return phylink_ethtool_ksettings_set(mac_dev->phylink, cmd);
 }
 
 static void dpaa_get_drvinfo(struct net_device *net_dev,
@@ -99,80 +91,28 @@ static void dpaa_set_msglevel(struct net_device *net_dev,
 
 static int dpaa_nway_reset(struct net_device *net_dev)
 {
-	int err;
-
-	if (!net_dev->phydev)
-		return -ENODEV;
-
-	err = 0;
-	if (net_dev->phydev->autoneg) {
-		err = phy_start_aneg(net_dev->phydev);
-		if (err < 0)
-			netdev_err(net_dev, "phy_start_aneg() = %d\n",
-				   err);
-	}
+	struct dpaa_priv *priv = netdev_priv(net_dev);
+	struct mac_device *mac_dev = priv->mac_dev;
 
-	return err;
+	return phylink_ethtool_nway_reset(mac_dev->phylink);
 }
 
 static void dpaa_get_pauseparam(struct net_device *net_dev,
 				struct ethtool_pauseparam *epause)
 {
-	struct mac_device *mac_dev;
-	struct dpaa_priv *priv;
-
-	priv = netdev_priv(net_dev);
-	mac_dev = priv->mac_dev;
-
-	if (!net_dev->phydev)
-		return;
+	struct dpaa_priv *priv = netdev_priv(net_dev);
+	struct mac_device *mac_dev = priv->mac_dev;
 
-	epause->autoneg = mac_dev->autoneg_pause;
-	epause->rx_pause = mac_dev->rx_pause_active;
-	epause->tx_pause = mac_dev->tx_pause_active;
+	phylink_ethtool_get_pauseparam(mac_dev->phylink, epause);
 }
 
 static int dpaa_set_pauseparam(struct net_device *net_dev,
 			       struct ethtool_pauseparam *epause)
 {
-	struct mac_device *mac_dev;
-	struct phy_device *phydev;
-	bool rx_pause, tx_pause;
-	struct dpaa_priv *priv;
-	int err;
-
-	priv = netdev_priv(net_dev);
-	mac_dev = priv->mac_dev;
-
-	phydev = net_dev->phydev;
-	if (!phydev) {
-		netdev_err(net_dev, "phy device not initialized\n");
-		return -ENODEV;
-	}
-
-	if (!phy_validate_pause(phydev, epause))
-		return -EINVAL;
-
-	/* The MAC should know how to handle PAUSE frame autonegotiation before
-	 * adjust_link is triggered by a forced renegotiation of sym/asym PAUSE
-	 * settings.
-	 */
-	mac_dev->autoneg_pause = !!epause->autoneg;
-	mac_dev->rx_pause_req = !!epause->rx_pause;
-	mac_dev->tx_pause_req = !!epause->tx_pause;
-
-	/* Determine the sym/asym advertised PAUSE capabilities from the desired
-	 * rx/tx pause settings.
-	 */
-
-	phy_set_asym_pause(phydev, epause->rx_pause, epause->tx_pause);
-
-	fman_get_pause_cfg(mac_dev, &rx_pause, &tx_pause);
-	err = fman_set_mac_active_pause(mac_dev, rx_pause, tx_pause);
-	if (err < 0)
-		netdev_err(net_dev, "set_mac_active_pause() = %d\n", err);
+	struct dpaa_priv *priv = netdev_priv(net_dev);
+	struct mac_device *mac_dev = priv->mac_dev;
 
-	return err;
+	return phylink_ethtool_set_pauseparam(mac_dev->phylink, epause);
 }
 
 static int dpaa_get_sset_count(struct net_device *net_dev, int type)