dm: core: Reimplement ofnode_read_size()

Now that we have ofnode_read_prop() we can rewrite this function using
that one, reducing the amount of duplicated code.

Update ofnode_read_size() and move it up next to the other similar
functions.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index eebc5a7..4fc29a7 100644 (file)
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -151,6 +151,16 @@ const char *ofnode_read_string(ofnode node, const char *propname)
        return str;
 }
 
+int ofnode_read_size(ofnode node, const char *propname)
+{
+       int len;
+
+       if (!ofnode_read_prop(node, propname, &len))
+               return -EINVAL;
+
+       return len;
+}
+
 ofnode ofnode_find_subnode(ofnode node, const char *subnode_name)
 {
        ofnode subnode;
@@ -253,25 +263,6 @@ ofnode ofnode_get_by_phandle(uint phandle)
        return node;
 }
 
-int ofnode_read_size(ofnode node, const char *propname)
-{
-       int len;
-
-       if (ofnode_is_np(node)) {
-               struct property *prop = of_find_property(
-                               ofnode_to_np(node), propname, NULL);
-
-               if (prop)
-                       return prop->length;
-       } else {
-               if (fdt_getprop(gd->fdt_blob, ofnode_to_offset(node), propname,
-                               &len))
-                       return len;
-       }
-
-       return -EINVAL;
-}
-
 fdt_addr_t ofnode_get_addr_size_index(ofnode node, int index, fdt_size_t *size)
 {
        int na, ns;