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>

diff --git a/drivers/core/root.c b/drivers/core/root.c
index 72bcc7d..1ab4c38 100644 (file)
--- a/drivers/core/root.c
+++ b/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;
 }