net: phy: at803x: move specific at8031 probe mode check to dedicated probe

Move specific at8031 probe mode check to dedicated probe to make
at803x_probe more generic and keep code tidy.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/phy/at803x.c

@@ -844,26 +844,6 @@ static int at803x_probe(struct phy_device *phydev)
 	if (ret)
 		return ret;
 
-	if (phydev->drv->phy_id == ATH8031_PHY_ID) {
-		int ccr = phy_read(phydev, AT803X_REG_CHIP_CONFIG);
-		int mode_cfg;
-
-		if (ccr < 0)
-			return ccr;
-		mode_cfg = ccr & AT803X_MODE_CFG_MASK;
-
-		switch (mode_cfg) {
-		case AT803X_MODE_CFG_BX1000_RGMII_50OHM:
-		case AT803X_MODE_CFG_BX1000_RGMII_75OHM:
-			priv->is_1000basex = true;
-			fallthrough;
-		case AT803X_MODE_CFG_FX100_RGMII_50OHM:
-		case AT803X_MODE_CFG_FX100_RGMII_75OHM:
-			priv->is_fiber = true;
-			break;
-		}
-	}
-
 	return 0;
 }
 
@@ -1584,6 +1564,9 @@ static int at8031_parse_dt(struct phy_device *phydev)
 
 static int at8031_probe(struct phy_device *phydev)
 {
+	struct at803x_priv *priv = phydev->priv;
+	int mode_cfg;
+	int ccr;
 	int ret;
 
 	ret = at803x_probe(phydev);
@@ -1597,6 +1580,22 @@ static int at8031_probe(struct phy_device *phydev)
 	if (ret)
 		return ret;
 
+	ccr = phy_read(phydev, AT803X_REG_CHIP_CONFIG);
+	if (ccr < 0)
+		return ccr;
+	mode_cfg = ccr & AT803X_MODE_CFG_MASK;
+
+	switch (mode_cfg) {
+	case AT803X_MODE_CFG_BX1000_RGMII_50OHM:
+	case AT803X_MODE_CFG_BX1000_RGMII_75OHM:
+		priv->is_1000basex = true;
+		fallthrough;
+	case AT803X_MODE_CFG_FX100_RGMII_50OHM:
+	case AT803X_MODE_CFG_FX100_RGMII_75OHM:
+		priv->is_fiber = true;
+		break;
+	}
+
 	/* Disable WoL in 1588 register which is enabled
 	 * by default
 	 */