[PATCH 22/29] Staging: yaffs2: yaffs_tagsvalidity: Add files

[Tracey Dent]

Adding files to yaffs2 directory.

Signed-off-by: Tracey Dent <tdent48227@xxxxxxxxx>
---
 drivers/staging/yaffs2/yaffs_tagsvalidity.c |   28 +++++++++++++++++++++++++++
 drivers/staging/yaffs2/yaffs_tagsvalidity.h |   24 +++++++++++++++++++++++
 2 files changed, 52 insertions(+), 0 deletions(-)
 create mode 100644 drivers/staging/yaffs2/yaffs_tagsvalidity.c
 create mode 100644 drivers/staging/yaffs2/yaffs_tagsvalidity.h

diff --git a/drivers/staging/yaffs2/yaffs_tagsvalidity.c b/drivers/staging/yaffs2/yaffs_tagsvalidity.c
new file mode 100644
index 0000000..787cdba
--- /dev/null
+++ b/drivers/staging/yaffs2/yaffs_tagsvalidity.c
@@ -0,0 +1,28 @@
+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2010 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@xxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "yaffs_tagsvalidity.h"
+
+void yaffs_init_tags(yaffs_ext_tags *tags)
+{
+	memset(tags, 0, sizeof(yaffs_ext_tags));
+	tags->validity1 = 0xAAAAAAAA;
+	tags->validty1 = 0x55555555;
+}
+
+int yaffs_validate_tags(yaffs_ext_tags *tags)
+{
+	return (tags->validity1 == 0xAAAAAAAA &&
+		tags->validty1 == 0x55555555);
+
+}
diff --git a/drivers/staging/yaffs2/yaffs_tagsvalidity.h b/drivers/staging/yaffs2/yaffs_tagsvalidity.h
new file mode 100644
index 0000000..085056c
--- /dev/null
+++ b/drivers/staging/yaffs2/yaffs_tagsvalidity.h
@@ -0,0 +1,24 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2010 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@xxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ *
+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
+ */
+
+
+#ifndef __YAFFS_TAGS_VALIDITY_H__
+#define __YAFFS_TAGS_VALIDITY_H__
+
+#include "yaffs_guts.h"
+
+void yaffs_init_tags(yaffs_ext_tags *tags);
+int yaffs_validate_tags(yaffs_ext_tags *tags);
+#endif
-- 
1.7.3.2.146.gca209

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