dm: core: Move "/clock" node scan into function

Create separate function for scanning node by path and
move "/clock" node scan code into that function.

This will be usable if scanning of more node is required.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

drivers/core/root.c

@@ -330,10 +330,25 @@ static int dm_scan_fdt_node(struct udevice *parent, const void *blob,
 }
 #endif
 
+static int dm_scan_fdt_ofnode_path(const char *path, bool pre_reloc_only)
+{
+	ofnode node;
+
+	node = ofnode_path(path);
+	if (!ofnode_valid(node))
+		return 0;
+
+#if CONFIG_IS_ENABLED(OF_LIVE)
+	if (of_live_active())
+		return dm_scan_fdt_live(gd->dm_root, node.np, pre_reloc_only);
+#endif
+	return dm_scan_fdt_node(gd->dm_root, gd->fdt_blob, node.of_offset,
+				pre_reloc_only);
+}
+
 int dm_extended_scan_fdt(const void *blob, bool pre_reloc_only)
 {
 	int ret;
-	ofnode node;
 
 	ret = dm_scan_fdt(gd->fdt_blob, pre_reloc_only);
 	if (ret) {
@@ -341,21 +356,9 @@ int dm_extended_scan_fdt(const void *blob, bool pre_reloc_only)
 		return ret;
 	}
 
-	/* bind fixed-clock */
-	node = ofnode_path("/clocks");
-	/* if no DT "clocks" node, no need to go further */
-	if (!ofnode_valid(node))
-		return ret;
-
-#if CONFIG_IS_ENABLED(OF_LIVE)
-	if (of_live_active())
-		ret = dm_scan_fdt_live(gd->dm_root, node.np, pre_reloc_only);
-	else
-#endif
-		ret = dm_scan_fdt_node(gd->dm_root, gd->fdt_blob, node.of_offset,
-				       pre_reloc_only);
+	ret = dm_scan_fdt_ofnode_path("/clocks", pre_reloc_only);
 	if (ret)
-		debug("dm_scan_fdt_node() failed: %d\n", ret);
+		debug("scan for /clocks failed: %d\n", ret);
 
 	return ret;
 }