X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fcore%2Fof_access.c;h=c31cba7fd6b501fd6ffcb5ee0c5ba0a239f52dfa;hb=19d1f1a2f3ccfbf85125150f7876ce22714b38bd;hp=94ef3cc251fb4b567e69bb485a73c8c07da85c28;hpb=b07d044d5bfa8c440b172eb3f8a9d537f82e21b6;p=platform%2Fkernel%2Fu-boot.git

diff --git a/drivers/core/of_access.c b/drivers/core/of_access.c
index 94ef3cc..c31cba7 100644
--- a/drivers/core/of_access.c
+++ b/drivers/core/of_access.c
@@ -96,6 +96,30 @@ int of_n_size_cells(const struct device_node *np)
 	return OF_ROOT_NODE_SIZE_CELLS_DEFAULT;
 }
 
+int of_simple_addr_cells(const struct device_node *np)
+{
+	const __be32 *ip;
+
+	ip = of_get_property(np, "#address-cells", NULL);
+	if (ip)
+		return be32_to_cpup(ip);
+
+	/* Return a default of 2 to match fdt_address_cells()*/
+	return 2;
+}
+
+int of_simple_size_cells(const struct device_node *np)
+{
+	const __be32 *ip;
+
+	ip = of_get_property(np, "#size-cells", NULL);
+	if (ip)
+		return be32_to_cpup(ip);
+
+	/* Return a default of 2 to match fdt_size_cells()*/
+	return 2;
+}
+
 struct property *of_find_property(const struct device_node *np,
 				  const char *name, int *lenp)
 {
@@ -244,6 +268,12 @@ static struct device_node *__of_get_next_child(const struct device_node *node,
 		return NULL;
 
 	next = prev ? prev->sibling : node->child;
+	/*
+	 * coverity[dead_error_line : FALSE]
+	 * Dead code here since our current implementation of of_node_get()
+	 * always returns NULL (Coverity CID 163245). But we leave it as is
+	 * since we may want to implement get/put later.
+	 */
 	for (; next; next = next->sibling)
 		if (of_node_get(next))
 			break;
@@ -635,6 +665,13 @@ int of_parse_phandle_with_args(const struct device_node *np,
 					    index, out_args);
 }
 
+int of_count_phandle_with_args(const struct device_node *np,
+			       const char *list_name, const char *cells_name)
+{
+	return __of_parse_phandle_with_args(np, list_name, cells_name, 0,
+					    -1, NULL);
+}
+
 static void of_alias_add(struct alias_prop *ap, struct device_node *np,
 			 int id, const char *stem, int stem_len)
 {