Do a model-specific check for compatible interface:
- 88X3340 does not support XAUI
- 88E21XX does not support XAUI and RXAUI
- 88E21X1 does not support 5gbase-r

Signed-off-by: Marek Behún <ka...@kernel.org>
---
 drivers/net/phy/marvell10g.c | 38 ++++++++++++++++++++++++------------
 1 file changed, 25 insertions(+), 13 deletions(-)

diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c
index 84f24fcb832c..510e27c766e6 100644
--- a/drivers/net/phy/marvell10g.c
+++ b/drivers/net/phy/marvell10g.c
@@ -124,6 +124,7 @@ enum mv3310_model {
 
 struct mv3310_priv {
        enum mv3310_model model;
+       bool has_5g;
 
        u32 firmware_ver;
        phy_interface_t const_interface;
@@ -399,7 +400,7 @@ static int mv3310_probe(struct phy_device *phydev)
 {
        struct mv3310_priv *priv;
        u32 mmd_mask = MDIO_DEVS_PMAPMD | MDIO_DEVS_AN;
-       bool has_5g, has_macsec;
+       bool has_macsec;
        int ret, nports;
 
        if (!phydev->is_c45 ||
@@ -451,6 +452,7 @@ static int mv3310_probe(struct phy_device *phydev)
                        return ret;
 
                has_macsec = !(ret & MV_PMA_XGSTAT_NO_MACSEC);
+               priv->has_5g = true;
 
                if (nports == 4)
                        priv->model = MV_MODEL_88X3340;
@@ -462,7 +464,7 @@ static int mv3310_probe(struct phy_device *phydev)
                if (ret < 0)
                        return ret;
 
-               has_5g = ret & MDIO_PCS_SPEED_5G;
+               priv->has_5g = ret & MDIO_PCS_SPEED_5G;
 
                if (nports == 8)
                        priv->model = MV_MODEL_88E218X;
@@ -476,7 +478,7 @@ static int mv3310_probe(struct phy_device *phydev)
        switch (priv->model) {
        case MV_MODEL_88E211X:
        case MV_MODEL_88E218X:
-               phydev_info(phydev, "model 88E21%d%d\n", nports, !has_5g);
+               phydev_info(phydev, "model 88E21%d%d\n", nports, !priv->has_5g);
                break;
        case MV_MODEL_88X3310:
        case MV_MODEL_88X3340:
@@ -543,6 +545,15 @@ static int mv2110_init_interface(struct phy_device *phydev)
        struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
        int mactype;
 
+       /* Check that the PHY interface type is compatible */
+       if (phydev->interface != PHY_INTERFACE_MODE_SGMII &&
+           phydev->interface != PHY_INTERFACE_MODE_2500BASEX &&
+           (phydev->interface != PHY_INTERFACE_MODE_5GBASER ||
+            !priv->has_5g) &&
+           phydev->interface != PHY_INTERFACE_MODE_10GBASER &&
+           phydev->interface != PHY_INTERFACE_MODE_USXGMII)
+               return -ENODEV;
+
        mactype = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_21X0_PORT_CTRL);
        if (mactype < 0)
                return mactype;
@@ -573,6 +584,17 @@ static int mv3310_init_interface(struct phy_device *phydev)
        struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
        int mactype;
 
+       /* Check that the PHY interface type is compatible */
+       if (phydev->interface != PHY_INTERFACE_MODE_SGMII &&
+           phydev->interface != PHY_INTERFACE_MODE_2500BASEX &&
+           phydev->interface != PHY_INTERFACE_MODE_5GBASER &&
+           (phydev->interface != PHY_INTERFACE_MODE_XAUI ||
+            priv->model == MV_MODEL_88X3340) &&
+           phydev->interface != PHY_INTERFACE_MODE_RXAUI &&
+           phydev->interface != PHY_INTERFACE_MODE_10GBASER &&
+           phydev->interface != PHY_INTERFACE_MODE_USXGMII)
+               return -ENODEV;
+
        mactype = phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL);
        if (mactype < 0)
                return mactype;
@@ -610,16 +632,6 @@ static int mv3310_config_init(struct phy_device *phydev)
 {
        int err;
 
-       /* Check that the PHY interface type is compatible */
-       if (phydev->interface != PHY_INTERFACE_MODE_SGMII &&
-           phydev->interface != PHY_INTERFACE_MODE_2500BASEX &&
-           phydev->interface != PHY_INTERFACE_MODE_5GBASER &&
-           phydev->interface != PHY_INTERFACE_MODE_XAUI &&
-           phydev->interface != PHY_INTERFACE_MODE_RXAUI &&
-           phydev->interface != PHY_INTERFACE_MODE_10GBASER &&
-           phydev->interface != PHY_INTERFACE_MODE_USXGMII)
-               return -ENODEV;
-
        phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
 
        /* Power up so reset works */
-- 
2.26.2

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