From 831a8e85fb344ae8ef092fe12627e518d63fc009 Mon Sep 17 00:00:00 2001
From: marty <marty>
Date: Wed, 21 Sep 2005 15:16:59 +0000
Subject: [PATCH] Added some documentation to moduleconfig.h and set it to
 match the Kconfig defaults.

Updated Kconfig to force selection of YAFFS1 and YAFFS2 for now, until
we straighten out the ifdefs so that one can be built when the other
isn't.
---
 Kconfig        |  2 ++
 moduleconfig.h | 24 +++++++++++++++++++++---
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/Kconfig b/Kconfig
index deb1c47..da516dd 100644
--- a/Kconfig
+++ b/Kconfig
@@ -5,6 +5,8 @@
 config YAFFS_FS
 	tristate "YAFFS2 file system support"
 	default n
+	select YAFFS_YAFFS1
+	select YAFFS_YAFFS2
 	help
 	  YAFFS2, or Yet Another Flash Filing System, is a filing system
 	  optimised for NAND Flash chips.
diff --git a/moduleconfig.h b/moduleconfig.h
index 2809701..e67c7bc 100644
--- a/moduleconfig.h
+++ b/moduleconfig.h
@@ -2,13 +2,31 @@
 #define __YAFFS_CONFIG_H__
 
 #ifdef YAFFS_OUT_OF_TREE
+
+/* DO NOT UNSET THESE THREE. YAFFS2 will not compile if you do. */
 #define CONFIG_YAFFS_FS
 #define CONFIG_YAFFS_YAFFS1
 #define CONFIG_YAFFS_YAFFS2
-#define CONFIG_YAFFS_DOES_ECC
-#define CONFIG_YAFFS_ECC_WRONG_ORDER
+
+/* These options are independent of each other.  Select those that matter. */
+
+/* Default: Not selected */
+/* Meaning: Yaffs does its own ECC, rather than using MTD ECC */
+//#define CONFIG_YAFFS_DOES_ECC
+
+/* Default: Not selected */
+/* Meaning: ECC byte order is 'wrong'.  Only meaningful if */
+/*          CONFIG_YAFFS_DOES_ECC is set */
+//#define CONFIG_YAFFS_ECC_WRONG_ORDER
+
+/* Default: Selected */
+/* Meaning: Disables testing whether chunks are erased before writing to them*/
 #define CONFIG_YAFFS_DISABLE_CHUNK_ERASED_CHECK
+
+/* Default: Selected */
+/* Meaning: Cache short names, taking more RAM, but faster look-ups */
 #define CONFIG_YAFFS_SHORT_NAMES_IN_RAM
-#endif /* KBUILD_MODNAME */
+
+#endif /* YAFFS_OUT_OF_TREE */
 
 #endif /* __YAFFS_CONFIG_H__ */
-- 
2.30.2