X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fcore%2Fof_access.c;h=9a50f559de2d927c56e156076a2845c8fce210fc;hb=83d290c56fab2d38cd1ab4c4cc7099559c1d5046;hp=93a65604967bfb0f2c74646fd13331346b8ec8e5;hpb=821560fd8e43eecc208c1c52ad24faadb6b52703;p=platform%2Fkernel%2Fu-boot.git

diff --git a/drivers/core/of_access.c b/drivers/core/of_access.c
index 93a6560..9a50f55 100644
--- a/drivers/core/of_access.c
+++ b/drivers/core/of_access.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Originally from Linux v4.9
  * Paul Mackerras	August 1996.
@@ -16,12 +17,10 @@
  *
  * This file follows drivers/of/base.c with functions in the same order as the
  * Linux version.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
-#include <libfdt.h>
+#include <linux/libfdt.h>
 #include <dm/of_access.h>
 #include <linux/ctype.h>
 #include <linux/err.h>
@@ -96,6 +95,30 @@ 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)
 {
@@ -641,6 +664,13 @@ 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)
 {