net: ftgmac100: Replace all of_device_is_compatible()

Now that the priv structure includes the MAC ID, make use of it
instead of the more expensive of_device_is_compatible().

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Jacky Chou <jacky_chou@aspeedtech.com>
Link: https://patch.msgid.link/20260206-ftgmac-cleanup-v5-3-ad28a9067ea7@aspeedtech.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

Author: lunn

drivers/net/ethernet/faraday/ftgmac100.c

@@ -1720,8 +1720,8 @@ static int ftgmac100_setup_mdio(struct net_device *netdev)
 	if (!priv->mii_bus)
 		return -EIO;
 
-	if (of_device_is_compatible(np, "aspeed,ast2400-mac") ||
-	    of_device_is_compatible(np, "aspeed,ast2500-mac")) {
+	if (priv->mac_id == FTGMAC100_AST2400 ||
+	    priv->mac_id == FTGMAC100_AST2500) {
 		/* The AST2600 has a separate MDIO controller */
 
 		/* For the AST2400 and AST2500 this driver only supports the
@@ -1926,9 +1926,9 @@ static int ftgmac100_probe(struct platform_device *pdev)
 	if (err)
 		goto err_phy_connect;
 
-	if (np && (of_device_is_compatible(np, "aspeed,ast2400-mac") ||
-		   of_device_is_compatible(np, "aspeed,ast2500-mac") ||
-		   of_device_is_compatible(np, "aspeed,ast2600-mac"))) {
+	if (priv->mac_id == FTGMAC100_AST2400 ||
+	    priv->mac_id == FTGMAC100_AST2500 ||
+	    priv->mac_id == FTGMAC100_AST2600) {
 		priv->rxdes0_edorr_mask = BIT(30);
 		priv->txdes0_edotr_mask = BIT(30);
 		priv->is_aspeed = true;
@@ -1973,8 +1973,8 @@ static int ftgmac100_probe(struct platform_device *pdev)
 		 * available PHYs and register them.
 		 */
 		if (of_get_property(np, "phy-handle", NULL) &&
-		    (of_device_is_compatible(np, "aspeed,ast2400-mac") ||
-		     of_device_is_compatible(np, "aspeed,ast2500-mac"))) {
+		    (priv->mac_id == FTGMAC100_AST2400 ||
+		     priv->mac_id == FTGMAC100_AST2500)) {
 			err = ftgmac100_setup_mdio(netdev);
 			if (err)
 				goto err_setup_mdio;
@@ -2026,7 +2026,7 @@ static int ftgmac100_probe(struct platform_device *pdev)
 			goto err_phy_connect;
 
 		/* Disable ast2600 problematic HW arbitration */
-		if (of_device_is_compatible(np, "aspeed,ast2600-mac"))
+		if (priv->mac_id == FTGMAC100_AST2600)
 			iowrite32(FTGMAC100_TM_DEFAULT,
 				  priv->base + FTGMAC100_OFFSET_TM);
 	}
@@ -2044,11 +2044,11 @@ static int ftgmac100_probe(struct platform_device *pdev)
 		netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
 
 	/* AST2400  doesn't have working HW checksum generation */
-	if (np && (of_device_is_compatible(np, "aspeed,ast2400-mac")))
+	if (priv->mac_id == FTGMAC100_AST2400)
 		netdev->hw_features &= ~NETIF_F_HW_CSUM;
 
 	/* AST2600 tx checksum with NCSI is broken */
-	if (priv->use_ncsi && of_device_is_compatible(np, "aspeed,ast2600-mac"))
+	if (priv->use_ncsi && priv->mac_id == FTGMAC100_AST2600)
 		netdev->hw_features &= ~NETIF_F_HW_CSUM;
 
 	if (np && of_get_property(np, "no-hw-checksum", NULL))