net: mediatek: change syscon handling for infracfg property (mt7988 topmisc)

Author: frank-w

drivers/net/ethernet/mediatek/mtk_eth_soc.c

@@ -5075,7 +5075,7 @@ static int mtk_sgmii_init(struct mtk_eth *eth)
 static int mtk_probe(struct platform_device *pdev)
 {
 	struct resource *res = NULL, *res_sram;
-	struct device_node *mac_np;
+	struct device_node *mac_np, *node;
 	struct mtk_eth *eth;
 	int err, i;
 
@@ -5141,8 +5141,12 @@ static int mtk_probe(struct platform_device *pdev)
 	}
 
 	if (MTK_HAS_CAPS(eth->soc->caps, MTK_INFRA)) {
-		eth->infra = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
-							     "mediatek,infracfg");
+		node = of_parse_phandle(pdev->dev.of_node, "mediatek,infracfg",0);
+		eth->infra = device_node_to_regmap(node);
+		if (node)
+			of_node_put(node);
+		//eth->infra = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
+		//					     "mediatek,infracfg");
 		if (IS_ERR(eth->infra)) {
 			dev_err(&pdev->dev, "no infracfg regmap found\n");
 			return PTR_ERR(eth->infra);