net: mvneta: convert to phylink
authorRussell King <rmk+kernel@arm.linux.org.uk>
Tue, 2 Jan 2018 17:24:44 +0000 (17:24 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 3 Jan 2018 15:38:53 +0000 (10:38 -0500)
Convert mvneta to use phylink, which models the MAC to PHY link in
a generic, reusable form.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
- remove unused sync status

Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/marvell/Kconfig
drivers/net/ethernet/marvell/mvneta.c

index da6fb825afeafd28a56909aa3baa4e97c3704d58..ebe5c91489355c9e8ae3cb71cb1731a7db354094 100644 (file)
@@ -60,7 +60,7 @@ config MVNETA
        depends on ARCH_MVEBU || COMPILE_TEST
        depends on HAS_DMA
        select MVMDIO
-       select FIXED_PHY
+       select PHYLINK
        ---help---
          This driver supports the network interface units in the
          Marvell ARMADA XP, ARMADA 370, ARMADA 38x and
index 3dfe4b3edef271f160cb82bc2821939549866a05..fabe17bd39f99a4ea0434f4ccd75807273043712 100644 (file)
@@ -28,7 +28,7 @@
 #include <linux/of_mdio.h>
 #include <linux/of_net.h>
 #include <linux/phy.h>
-#include <linux/phy_fixed.h>
+#include <linux/phylink.h>
 #include <linux/platform_device.h>
 #include <linux/skbuff.h>
 #include <net/hwbm.h>
 #define      MVNETA_GMAC_TX_FLOW_CTRL_ENABLE     BIT(5)
 #define      MVNETA_GMAC_RX_FLOW_CTRL_ACTIVE     BIT(6)
 #define      MVNETA_GMAC_TX_FLOW_CTRL_ACTIVE     BIT(7)
+#define      MVNETA_GMAC_AN_COMPLETE             BIT(11)
+#define      MVNETA_GMAC_SYNC_OK                 BIT(14)
 #define MVNETA_GMAC_AUTONEG_CONFIG               0x2c0c
 #define      MVNETA_GMAC_FORCE_LINK_DOWN         BIT(0)
 #define      MVNETA_GMAC_FORCE_LINK_PASS         BIT(1)
@@ -407,14 +409,10 @@ struct mvneta_port {
        u16 tx_ring_size;
        u16 rx_ring_size;
 
-       struct mii_bus *mii_bus;
        phy_interface_t phy_interface;
-       struct device_node *phy_node;
-       unsigned int link;
-       unsigned int duplex;
-       unsigned int speed;
+       struct device_node *dn;
        unsigned int tx_csum_limit;
-       unsigned int use_inband_status:1;
+       struct phylink *phylink;
 
        struct mvneta_bm *bm_priv;
        struct mvneta_bm_pool *pool_long;
@@ -1214,10 +1212,6 @@ static void mvneta_port_disable(struct mvneta_port *pp)
        val &= ~MVNETA_GMAC0_PORT_ENABLE;
        mvreg_write(pp, MVNETA_GMAC_CTRL_0, val);
 
-       pp->link = 0;
-       pp->duplex = -1;
-       pp->speed = 0;
-
        udelay(200);
 }
 
@@ -1277,44 +1271,6 @@ static void mvneta_set_other_mcast_table(struct mvneta_port *pp, int queue)
                mvreg_write(pp, MVNETA_DA_FILT_OTH_MCAST + offset, val);
 }
 
-static void mvneta_set_autoneg(struct mvneta_port *pp, int enable)
-{
-       u32 val;
-
-       if (enable) {
-               val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
-               val &= ~(MVNETA_GMAC_FORCE_LINK_PASS |
-                        MVNETA_GMAC_FORCE_LINK_DOWN |
-                        MVNETA_GMAC_AN_FLOW_CTRL_EN);
-               val |= MVNETA_GMAC_INBAND_AN_ENABLE |
-                      MVNETA_GMAC_AN_SPEED_EN |
-                      MVNETA_GMAC_AN_DUPLEX_EN;
-               mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
-
-               val = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER);
-               val |= MVNETA_GMAC_1MS_CLOCK_ENABLE;
-               mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, val);
-
-               val = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
-               val |= MVNETA_GMAC2_INBAND_AN_ENABLE;
-               mvreg_write(pp, MVNETA_GMAC_CTRL_2, val);
-       } else {
-               val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
-               val &= ~(MVNETA_GMAC_INBAND_AN_ENABLE |
-                      MVNETA_GMAC_AN_SPEED_EN |
-                      MVNETA_GMAC_AN_DUPLEX_EN);
-               mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
-
-               val = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER);
-               val &= ~MVNETA_GMAC_1MS_CLOCK_ENABLE;
-               mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, val);
-
-               val = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
-               val &= ~MVNETA_GMAC2_INBAND_AN_ENABLE;
-               mvreg_write(pp, MVNETA_GMAC_CTRL_2, val);
-       }
-}
-
 static void mvneta_percpu_unmask_interrupt(void *arg)
 {
        struct mvneta_port *pp = arg;
@@ -1467,7 +1423,6 @@ static void mvneta_defaults_set(struct mvneta_port *pp)
        val &= ~MVNETA_PHY_POLLING_ENABLE;
        mvreg_write(pp, MVNETA_UNIT_CONTROL, val);
 
-       mvneta_set_autoneg(pp, pp->use_inband_status);
        mvneta_set_ucast_table(pp, -1);
        mvneta_set_special_mcast_table(pp, -1);
        mvneta_set_other_mcast_table(pp, -1);
@@ -2692,26 +2647,11 @@ static irqreturn_t mvneta_percpu_isr(int irq, void *dev_id)
        return IRQ_HANDLED;
 }
 
-static int mvneta_fixed_link_update(struct mvneta_port *pp,
-                                   struct phy_device *phy)
+static void mvneta_link_change(struct mvneta_port *pp)
 {
-       struct fixed_phy_status status;
-       struct fixed_phy_status changed = {};
        u32 gmac_stat = mvreg_read(pp, MVNETA_GMAC_STATUS);
 
-       status.link = !!(gmac_stat & MVNETA_GMAC_LINK_UP);
-       if (gmac_stat & MVNETA_GMAC_SPEED_1000)
-               status.speed = SPEED_1000;
-       else if (gmac_stat & MVNETA_GMAC_SPEED_100)
-               status.speed = SPEED_100;
-       else
-               status.speed = SPEED_10;
-       status.duplex = !!(gmac_stat & MVNETA_GMAC_FULL_DUPLEX);
-       changed.link = 1;
-       changed.speed = 1;
-       changed.duplex = 1;
-       fixed_phy_update_state(phy, &status, &changed);
-       return 0;
+       phylink_mac_change(pp->phylink, !!(gmac_stat & MVNETA_GMAC_LINK_UP));
 }
 
 /* NAPI handler
@@ -2727,7 +2667,6 @@ static int mvneta_poll(struct napi_struct *napi, int budget)
        u32 cause_rx_tx;
        int rx_queue;
        struct mvneta_port *pp = netdev_priv(napi->dev);
-       struct net_device *ndev = pp->dev;
        struct mvneta_pcpu_port *port = this_cpu_ptr(pp->ports);
 
        if (!netif_running(pp->dev)) {
@@ -2741,12 +2680,11 @@ static int mvneta_poll(struct napi_struct *napi, int budget)
                u32 cause_misc = mvreg_read(pp, MVNETA_INTR_MISC_CAUSE);
 
                mvreg_write(pp, MVNETA_INTR_MISC_CAUSE, 0);
-               if (pp->use_inband_status && (cause_misc &
-                               (MVNETA_CAUSE_PHY_STATUS_CHANGE |
-                                MVNETA_CAUSE_LINK_CHANGE |
-                                MVNETA_CAUSE_PSC_SYNC_CHANGE))) {
-                       mvneta_fixed_link_update(pp, ndev->phydev);
-               }
+
+               if (cause_misc & (MVNETA_CAUSE_PHY_STATUS_CHANGE |
+                                 MVNETA_CAUSE_LINK_CHANGE |
+                                 MVNETA_CAUSE_PSC_SYNC_CHANGE))
+                       mvneta_link_change(pp);
        }
 
        /* Release Tx descriptors */
@@ -3060,7 +2998,6 @@ static int mvneta_setup_txqs(struct mvneta_port *pp)
 static void mvneta_start_dev(struct mvneta_port *pp)
 {
        int cpu;
-       struct net_device *ndev = pp->dev;
 
        mvneta_max_rx_size_set(pp, pp->pkt_size);
        mvneta_txq_max_tx_size_set(pp, pp->pkt_size);
@@ -3088,16 +3025,15 @@ static void mvneta_start_dev(struct mvneta_port *pp)
                    MVNETA_CAUSE_LINK_CHANGE |
                    MVNETA_CAUSE_PSC_SYNC_CHANGE);
 
-       phy_start(ndev->phydev);
+       phylink_start(pp->phylink);
        netif_tx_start_all_queues(pp->dev);
 }
 
 static void mvneta_stop_dev(struct mvneta_port *pp)
 {
        unsigned int cpu;
-       struct net_device *ndev = pp->dev;
 
-       phy_stop(ndev->phydev);
+       phylink_stop(pp->phylink);
 
        if (!pp->neta_armada3700) {
                for_each_online_cpu(cpu) {
@@ -3251,55 +3187,141 @@ static int mvneta_set_mac_addr(struct net_device *dev, void *addr)
        return 0;
 }
 
-static void mvneta_mac_config(struct net_device *ndev)
+static void mvneta_validate(struct net_device *ndev, unsigned long *supported,
+                           struct phylink_link_state *state)
+{
+       __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
+
+       /* We only support QSGMII, SGMII and RGMII modes */
+       if (state->interface != PHY_INTERFACE_MODE_NA &&
+           state->interface != PHY_INTERFACE_MODE_QSGMII &&
+           state->interface != PHY_INTERFACE_MODE_SGMII &&
+           !phy_interface_mode_is_rgmii(state->interface)) {
+               bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
+               return;
+       }
+
+       /* Allow all the expected bits */
+       phylink_set(mask, Autoneg);
+       phylink_set_port_modes(mask);
+
+       /* Half-duplex at speeds higher than 100Mbit is unsupported */
+       phylink_set(mask, 1000baseT_Full);
+       phylink_set(mask, 1000baseX_Full);
+       phylink_set(mask, 10baseT_Half);
+       phylink_set(mask, 10baseT_Full);
+       phylink_set(mask, 100baseT_Half);
+       phylink_set(mask, 100baseT_Full);
+
+       bitmap_and(supported, supported, mask,
+                  __ETHTOOL_LINK_MODE_MASK_NBITS);
+       bitmap_and(state->advertising, state->advertising, mask,
+                  __ETHTOOL_LINK_MODE_MASK_NBITS);
+}
+
+static int mvneta_mac_link_state(struct net_device *ndev,
+                                struct phylink_link_state *state)
 {
        struct mvneta_port *pp = netdev_priv(ndev);
-       struct phy_device *phydev = ndev->phydev;
-       u32 val;
+       u32 gmac_stat;
 
-       if ((pp->speed != phydev->speed) ||
-           (pp->duplex != phydev->duplex)) {
-               val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
-               val &= ~(MVNETA_GMAC_CONFIG_MII_SPEED |
-                        MVNETA_GMAC_CONFIG_GMII_SPEED |
-                        MVNETA_GMAC_CONFIG_FULL_DUPLEX);
+       gmac_stat = mvreg_read(pp, MVNETA_GMAC_STATUS);
 
-               if (phydev->duplex)
-                       val |= MVNETA_GMAC_CONFIG_FULL_DUPLEX;
+       if (gmac_stat & MVNETA_GMAC_SPEED_1000)
+               state->speed = SPEED_1000;
+       else if (gmac_stat & MVNETA_GMAC_SPEED_100)
+               state->speed = SPEED_100;
+       else
+               state->speed = SPEED_10;
 
-               if (phydev->speed == SPEED_1000)
-                       val |= MVNETA_GMAC_CONFIG_GMII_SPEED;
-               else if (phydev->speed == SPEED_100)
-                       val |= MVNETA_GMAC_CONFIG_MII_SPEED;
+       state->an_complete = !!(gmac_stat & MVNETA_GMAC_AN_COMPLETE);
+       state->link = !!(gmac_stat & MVNETA_GMAC_LINK_UP);
+       state->duplex = !!(gmac_stat & MVNETA_GMAC_FULL_DUPLEX);
 
-               mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
+       state->pause = 0;
+
+       return 1;
+}
+
+static void mvneta_mac_config(struct net_device *ndev, unsigned int mode,
+       const struct phylink_link_state *state)
+{
+       struct mvneta_port *pp = netdev_priv(ndev);
+       u32 new_ctrl2, gmac_ctrl2 = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
+       u32 new_clk, gmac_clk = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER);
+       u32 new_an, gmac_an = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
+
+       new_ctrl2 = gmac_ctrl2 & ~MVNETA_GMAC2_INBAND_AN_ENABLE;
+       new_clk = gmac_clk & ~MVNETA_GMAC_1MS_CLOCK_ENABLE;
+       new_an = gmac_an & ~(MVNETA_GMAC_INBAND_AN_ENABLE |
+                            MVNETA_GMAC_INBAND_RESTART_AN |
+                            MVNETA_GMAC_CONFIG_MII_SPEED |
+                            MVNETA_GMAC_CONFIG_GMII_SPEED |
+                            MVNETA_GMAC_AN_SPEED_EN |
+                            MVNETA_GMAC_AN_FLOW_CTRL_EN |
+                            MVNETA_GMAC_CONFIG_FULL_DUPLEX |
+                            MVNETA_GMAC_AN_DUPLEX_EN);
+
+       if (!phylink_autoneg_inband(mode)) {
+               /* Phy or fixed speed */
+               if (state->duplex)
+                       new_an |= MVNETA_GMAC_CONFIG_FULL_DUPLEX;
+
+               if (state->speed == SPEED_1000)
+                       new_an |= MVNETA_GMAC_CONFIG_GMII_SPEED;
+               else if (state->speed == SPEED_100)
+                       new_an |= MVNETA_GMAC_CONFIG_MII_SPEED;
+       } else {
+               /* SGMII mode receives the state from the PHY */
+               new_ctrl2 |= MVNETA_GMAC2_INBAND_AN_ENABLE;
+               new_clk |= MVNETA_GMAC_1MS_CLOCK_ENABLE;
+               new_an = (new_an & ~(MVNETA_GMAC_FORCE_LINK_DOWN |
+                                    MVNETA_GMAC_FORCE_LINK_PASS)) |
+                        MVNETA_GMAC_INBAND_AN_ENABLE |
+                        MVNETA_GMAC_AN_SPEED_EN |
+                        MVNETA_GMAC_AN_DUPLEX_EN;
+       }
 
-               pp->duplex = phydev->duplex;
-               pp->speed  = phydev->speed;
+       /* Armada 370 documentation says we can only change the port mode
+        * and in-band enable when the link is down, so force it down
+        * while making these changes. We also do this for GMAC_CTRL2 */
+       if ((new_ctrl2 ^ gmac_ctrl2) & MVNETA_GMAC2_INBAND_AN_ENABLE ||
+           (new_an  ^ gmac_an) & MVNETA_GMAC_INBAND_AN_ENABLE) {
+               mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG,
+                           (gmac_an & ~MVNETA_GMAC_FORCE_LINK_PASS) |
+                           MVNETA_GMAC_FORCE_LINK_DOWN);
        }
+
+       if (new_ctrl2 != gmac_ctrl2)
+               mvreg_write(pp, MVNETA_GMAC_CTRL_2, new_ctrl2);
+       if (new_clk != gmac_clk)
+               mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, new_clk);
+       if (new_an != gmac_an)
+               mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, new_an);
 }
 
-static void mvneta_mac_link_down(struct net_device *ndev, bool autoneg)
+static void mvneta_mac_link_down(struct net_device *ndev, unsigned int mode)
 {
        struct mvneta_port *pp = netdev_priv(ndev);
        u32 val;
 
-       if (!autoneg) {
+       mvneta_port_down(pp);
+
+       if (!phylink_autoneg_inband(mode)) {
                val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
                val &= ~MVNETA_GMAC_FORCE_LINK_PASS;
                val |= MVNETA_GMAC_FORCE_LINK_DOWN;
                mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
        }
-
-       mvneta_port_down(pp);
 }
 
-static void mvneta_mac_link_up(struct net_device *ndev, bool autoneg)
+static void mvneta_mac_link_up(struct net_device *ndev, unsigned int mode,
+                              struct phy_device *phy)
 {
        struct mvneta_port *pp = netdev_priv(ndev);
        u32 val;
 
-       if (!autoneg) {
+       if (!phylink_autoneg_inband(mode)) {
                val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
                val &= ~MVNETA_GMAC_FORCE_LINK_DOWN;
                val |= MVNETA_GMAC_FORCE_LINK_PASS;
@@ -3309,64 +3331,31 @@ static void mvneta_mac_link_up(struct net_device *ndev, bool autoneg)
        mvneta_port_up(pp);
 }
 
-static void mvneta_adjust_link(struct net_device *ndev)
-{
-       struct mvneta_port *pp = netdev_priv(ndev);
-       struct phy_device *phydev = ndev->phydev;
-       int status_change = 0;
-
-       if (phydev->link)
-               mvneta_mac_config(ndev);
-
-       if (phydev->link != pp->link) {
-               if (!phydev->link) {
-                       pp->duplex = -1;
-                       pp->speed = 0;
-               }
-
-               pp->link = phydev->link;
-               status_change = 1;
-       }
-
-       if (status_change) {
-               if (phydev->link)
-                       mvneta_mac_link_down(ndev, pp->use_inband_status);
-               else
-                       mvneta_mac_link_up(ndev, pp->use_inband_status);
-               phy_print_status(phydev);
-       }
-}
+static const struct phylink_mac_ops mvneta_phylink_ops = {
+       .validate = mvneta_validate,
+       .mac_link_state = mvneta_mac_link_state,
+       .mac_config = mvneta_mac_config,
+       .mac_link_down = mvneta_mac_link_down,
+       .mac_link_up = mvneta_mac_link_up,
+};
 
 static int mvneta_mdio_probe(struct mvneta_port *pp)
 {
-       struct phy_device *phy_dev;
        struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
+       int err = phylink_of_phy_connect(pp->phylink, pp->dn, 0);
 
-       phy_dev = of_phy_connect(pp->dev, pp->phy_node, mvneta_adjust_link, 0,
-                                pp->phy_interface);
-       if (!phy_dev) {
-               netdev_err(pp->dev, "could not find the PHY\n");
-               return -ENODEV;
-       }
+       if (err)
+               netdev_err(pp->dev, "could not attach PHY: %d\n", err);
 
-       phy_ethtool_get_wol(phy_dev, &wol);
+       phylink_ethtool_get_wol(pp->phylink, &wol);
        device_set_wakeup_capable(&pp->dev->dev, !!wol.supported);
 
-       phy_dev->supported &= PHY_GBIT_FEATURES;
-       phy_dev->advertising = phy_dev->supported;
-
-       pp->link    = 0;
-       pp->duplex  = 0;
-       pp->speed   = 0;
-
-       return 0;
+       return err;
 }
 
 static void mvneta_mdio_remove(struct mvneta_port *pp)
 {
-       struct net_device *ndev = pp->dev;
-
-       phy_disconnect(ndev->phydev);
+       phylink_disconnect_phy(pp->phylink);
 }
 
 /* Electing a CPU must be done in an atomic way: it should be done
@@ -3645,10 +3634,9 @@ static int mvneta_stop(struct net_device *dev)
 
 static int mvneta_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 {
-       if (!dev->phydev)
-               return -ENOTSUPP;
+       struct mvneta_port *pp = netdev_priv(dev);
 
-       return phy_mii_ioctl(dev->phydev, ifr, cmd);
+       return phylink_mii_ioctl(pp->phylink, ifr, cmd);
 }
 
 /* Ethtool methods */
@@ -3659,44 +3647,25 @@ mvneta_ethtool_set_link_ksettings(struct net_device *ndev,
                                  const struct ethtool_link_ksettings *cmd)
 {
        struct mvneta_port *pp = netdev_priv(ndev);
-       struct phy_device *phydev = ndev->phydev;
-
-       if (!phydev)
-               return -ENODEV;
-
-       if ((cmd->base.autoneg == AUTONEG_ENABLE) != pp->use_inband_status) {
-               u32 val;
-
-               mvneta_set_autoneg(pp, cmd->base.autoneg == AUTONEG_ENABLE);
 
-               if (cmd->base.autoneg == AUTONEG_DISABLE) {
-                       val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
-                       val &= ~(MVNETA_GMAC_CONFIG_MII_SPEED |
-                                MVNETA_GMAC_CONFIG_GMII_SPEED |
-                                MVNETA_GMAC_CONFIG_FULL_DUPLEX);
-
-                       if (phydev->duplex)
-                               val |= MVNETA_GMAC_CONFIG_FULL_DUPLEX;
-
-                       if (phydev->speed == SPEED_1000)
-                               val |= MVNETA_GMAC_CONFIG_GMII_SPEED;
-                       else if (phydev->speed == SPEED_100)
-                               val |= MVNETA_GMAC_CONFIG_MII_SPEED;
+       return phylink_ethtool_ksettings_set(pp->phylink, cmd);
+}
 
-                       mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
-               }
+/* Get link ksettings for ethtools */
+static int
+mvneta_ethtool_get_link_ksettings(struct net_device *ndev,
+                                 struct ethtool_link_ksettings *cmd)
+{
+       struct mvneta_port *pp = netdev_priv(ndev);
 
-               pp->use_inband_status = (cmd->base.autoneg == AUTONEG_ENABLE);
-               netdev_info(pp->dev, "autoneg status set to %i\n",
-                           pp->use_inband_status);
+       return phylink_ethtool_ksettings_get(pp->phylink, cmd);
+}
 
-               if (netif_running(ndev)) {
-                       mvneta_port_down(pp);
-                       mvneta_port_up(pp);
-               }
-       }
+static int mvneta_ethtool_nway_reset(struct net_device *dev)
+{
+       struct mvneta_port *pp = netdev_priv(dev);
 
-       return phy_ethtool_ksettings_set(ndev->phydev, cmd);
+       return phylink_ethtool_nway_reset(pp->phylink);
 }
 
 /* Set interrupt coalescing for ethtools */
@@ -3958,22 +3927,18 @@ static int mvneta_ethtool_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
 static void mvneta_ethtool_get_wol(struct net_device *dev,
                                   struct ethtool_wolinfo *wol)
 {
-       wol->supported = 0;
-       wol->wolopts = 0;
+       struct mvneta_port *pp = netdev_priv(dev);
 
-       if (dev->phydev)
-               phy_ethtool_get_wol(dev->phydev, wol);
+       phylink_ethtool_get_wol(pp->phylink, wol);
 }
 
 static int mvneta_ethtool_set_wol(struct net_device *dev,
                                  struct ethtool_wolinfo *wol)
 {
+       struct mvneta_port *pp = netdev_priv(dev);
        int ret;
 
-       if (!dev->phydev)
-               return -EOPNOTSUPP;
-
-       ret = phy_ethtool_set_wol(dev->phydev, wol);
+       ret = phylink_ethtool_set_wol(pp->phylink, wol);
        if (!ret)
                device_set_wakeup_enable(&dev->dev, !!wol->wolopts);
 
@@ -3993,7 +3958,7 @@ static const struct net_device_ops mvneta_netdev_ops = {
 };
 
 static const struct ethtool_ops mvneta_eth_tool_ops = {
-       .nway_reset     = phy_ethtool_nway_reset,
+       .nway_reset     = mvneta_ethtool_nway_reset,
        .get_link       = ethtool_op_get_link,
        .set_coalesce   = mvneta_ethtool_set_coalesce,
        .get_coalesce   = mvneta_ethtool_get_coalesce,
@@ -4007,7 +3972,7 @@ static const struct ethtool_ops mvneta_eth_tool_ops = {
        .get_rxnfc      = mvneta_ethtool_get_rxnfc,
        .get_rxfh       = mvneta_ethtool_get_rxfh,
        .set_rxfh       = mvneta_ethtool_set_rxfh,
-       .get_link_ksettings = phy_ethtool_get_link_ksettings,
+       .get_link_ksettings = mvneta_ethtool_get_link_ksettings,
        .set_link_ksettings = mvneta_ethtool_set_link_ksettings,
        .get_wol        = mvneta_ethtool_get_wol,
        .set_wol        = mvneta_ethtool_set_wol,
@@ -4155,14 +4120,13 @@ static int mvneta_probe(struct platform_device *pdev)
 {
        struct resource *res;
        struct device_node *dn = pdev->dev.of_node;
-       struct device_node *phy_node;
        struct device_node *bm_node;
        struct mvneta_port *pp;
        struct net_device *dev;
+       struct phylink *phylink;
        const char *dt_mac_addr;
        char hw_mac_addr[ETH_ALEN];
        const char *mac_from;
-       const char *managed;
        int tx_csum_limit;
        int phy_mode;
        int err;
@@ -4178,31 +4142,18 @@ static int mvneta_probe(struct platform_device *pdev)
                goto err_free_netdev;
        }
 
-       phy_node = of_parse_phandle(dn, "phy", 0);
-       if (!phy_node) {
-               if (!of_phy_is_fixed_link(dn)) {
-                       dev_err(&pdev->dev, "no PHY specified\n");
-                       err = -ENODEV;
-                       goto err_free_irq;
-               }
-
-               err = of_phy_register_fixed_link(dn);
-               if (err < 0) {
-                       dev_err(&pdev->dev, "cannot register fixed PHY\n");
-                       goto err_free_irq;
-               }
-
-               /* In the case of a fixed PHY, the DT node associated
-                * to the PHY is the Ethernet MAC DT node.
-                */
-               phy_node = of_node_get(dn);
-       }
-
        phy_mode = of_get_phy_mode(dn);
        if (phy_mode < 0) {
                dev_err(&pdev->dev, "incorrect phy-mode\n");
                err = -EINVAL;
-               goto err_put_phy_node;
+               goto err_free_irq;
+       }
+
+       phylink = phylink_create(dev, pdev->dev.fwnode, phy_mode,
+                                &mvneta_phylink_ops);
+       if (IS_ERR(phylink)) {
+               err = PTR_ERR(phylink);
+               goto err_free_irq;
        }
 
        dev->tx_queue_len = MVNETA_MAX_TXD;
@@ -4213,12 +4164,9 @@ static int mvneta_probe(struct platform_device *pdev)
 
        pp = netdev_priv(dev);
        spin_lock_init(&pp->lock);
-       pp->phy_node = phy_node;
+       pp->phylink = phylink;
        pp->phy_interface = phy_mode;
-
-       err = of_property_read_string(dn, "managed", &managed);
-       pp->use_inband_status = (err == 0 &&
-                                strcmp(managed, "in-band-status") == 0);
+       pp->dn = dn;
 
        pp->rxq_def = rxq_def;
 
@@ -4240,7 +4188,7 @@ static int mvneta_probe(struct platform_device *pdev)
                pp->clk = devm_clk_get(&pdev->dev, NULL);
        if (IS_ERR(pp->clk)) {
                err = PTR_ERR(pp->clk);
-               goto err_put_phy_node;
+               goto err_free_phylink;
        }
 
        clk_prepare_enable(pp->clk);
@@ -4377,14 +4325,6 @@ static int mvneta_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, pp->dev);
 
-       if (pp->use_inband_status) {
-               struct phy_device *phy = of_phy_find_device(dn);
-
-               mvneta_fixed_link_update(pp, phy);
-
-               put_device(&phy->mdio.dev);
-       }
-
        return 0;
 
 err_netdev:
@@ -4401,10 +4341,9 @@ err_free_ports:
 err_clk:
        clk_disable_unprepare(pp->clk_bus);
        clk_disable_unprepare(pp->clk);
-err_put_phy_node:
-       of_node_put(phy_node);
-       if (of_phy_is_fixed_link(dn))
-               of_phy_deregister_fixed_link(dn);
+err_free_phylink:
+       if (pp->phylink)
+               phylink_destroy(pp->phylink);
 err_free_irq:
        irq_dispose_mapping(dev->irq);
 err_free_netdev:
@@ -4416,7 +4355,6 @@ err_free_netdev:
 static int mvneta_remove(struct platform_device *pdev)
 {
        struct net_device  *dev = platform_get_drvdata(pdev);
-       struct device_node *dn = pdev->dev.of_node;
        struct mvneta_port *pp = netdev_priv(dev);
 
        unregister_netdev(dev);
@@ -4424,10 +4362,8 @@ static int mvneta_remove(struct platform_device *pdev)
        clk_disable_unprepare(pp->clk);
        free_percpu(pp->ports);
        free_percpu(pp->stats);
-       if (of_phy_is_fixed_link(dn))
-               of_phy_deregister_fixed_link(dn);
        irq_dispose_mapping(dev->irq);
-       of_node_put(pp->phy_node);
+       phylink_destroy(pp->phylink);
        free_netdev(dev);
 
        if (pp->bm_priv) {
@@ -4481,9 +4417,6 @@ static int mvneta_resume(struct device *device)
                return err;
        }
 
-       if (pp->use_inband_status)
-               mvneta_fixed_link_update(pp, dev->phydev);
-
        netif_device_attach(dev);
        rtnl_lock();
        if (netif_running(dev)) {