From 6db39708117d6391a72f3fc3ea7860231b630270 Mon Sep 17 00:00:00 2001
From: Marian Balakowicz <m8@semihalf.com>
Date: Sat, 8 Apr 2006 19:08:06 +0200
Subject: Fix JFFS2 support for legacy NAND driver.

Some more NAND cleanup and small fixes.
---
 drivers/nand/diskonchip.c         |  5 ++---
 drivers/nand/nand.c               |  6 +-----
 drivers/nand/nand_base.c          |  6 +-----
 drivers/nand/nand_bbt.c           |  6 +-----
 drivers/nand/nand_ecc.c           |  6 +-----
 drivers/nand/nand_ids.c           |  6 +-----
 drivers/nand_legacy/nand_legacy.c | 18 +++++++++++-------
 7 files changed, 18 insertions(+), 35 deletions(-)

(limited to 'drivers')

diff --git a/drivers/nand/diskonchip.c b/drivers/nand/diskonchip.c
index afaae834f..e17af70d0 100644
--- a/drivers/nand/diskonchip.c
+++ b/drivers/nand/diskonchip.c
@@ -21,9 +21,7 @@
 
 #include <common.h>
 
-#ifdef CFG_NAND_LEGACY
-#error CFG_NAND_LEGACY defined in a file not using the legacy NAND support!
-#endif
+#if !defined(CFG_NAND_LEGACY)
 
 #include <linux/kernel.h>
 #include <linux/init.h>
@@ -1786,3 +1784,4 @@ module_exit(cleanup_nanddoc);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");
 MODULE_DESCRIPTION("M-Systems DiskOnChip 2000, Millennium and Millennium Plus device driver\n");
+#endif
diff --git a/drivers/nand/nand.c b/drivers/nand/nand.c
index dd80026fe..e1781fcbb 100644
--- a/drivers/nand/nand.c
+++ b/drivers/nand/nand.c
@@ -23,11 +23,7 @@
 
 #include <common.h>
 
-#ifdef CFG_NAND_LEGACY
-#error CFG_NAND_LEGACY defined in a file not using the legacy NAND support!
-#endif
-
-#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+#if (CONFIG_COMMANDS & CFG_CMD_NAND) && !defined(CFG_NAND_LEGACY)
 
 #include <nand.h>
 
diff --git a/drivers/nand/nand_base.c b/drivers/nand/nand_base.c
index e0b406041..b7a5d32fb 100644
--- a/drivers/nand/nand_base.c
+++ b/drivers/nand/nand_base.c
@@ -72,11 +72,7 @@
 
 #include <common.h>
 
-#ifdef CFG_NAND_LEGACY
-#error CFG_NAND_LEGACY defined in a file not using the legacy NAND support!
-#endif
-
-#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+#if (CONFIG_COMMANDS & CFG_CMD_NAND) && !defined(CFG_NAND_LEGACY)
 
 #include <malloc.h>
 #include <watchdog.h>
diff --git a/drivers/nand/nand_bbt.c b/drivers/nand/nand_bbt.c
index ac168723e..aaa9400e5 100644
--- a/drivers/nand/nand_bbt.c
+++ b/drivers/nand/nand_bbt.c
@@ -54,11 +54,7 @@
 
 #include <common.h>
 
-#ifdef CFG_NAND_LEGACY
-#error CFG_NAND_LEGACY defined in a file not using the legacy NAND support!
-#endif
-
-#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+#if (CONFIG_COMMANDS & CFG_CMD_NAND) && !defined(CFG_NAND_LEGACY)
 
 #include <malloc.h>
 #include <linux/mtd/compat.h>
diff --git a/drivers/nand/nand_ecc.c b/drivers/nand/nand_ecc.c
index e0d0e8bcc..f33be9655 100644
--- a/drivers/nand/nand_ecc.c
+++ b/drivers/nand/nand_ecc.c
@@ -37,11 +37,7 @@
 
 #include <common.h>
 
-#ifdef CFG_NAND_LEGACY
-#error CFG_NAND_LEGACY defined in a file not using the legacy NAND support!
-#endif
-
-#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+#if (CONFIG_COMMANDS & CFG_CMD_NAND) && !defined(CFG_NAND_LEGACY)
 
 #include<linux/mtd/mtd.h>
 /*
diff --git a/drivers/nand/nand_ids.c b/drivers/nand/nand_ids.c
index 3d4d372f1..8b58736bc 100644
--- a/drivers/nand/nand_ids.c
+++ b/drivers/nand/nand_ids.c
@@ -13,11 +13,7 @@
 
 #include <common.h>
 
-#ifdef CFG_NAND_LEGACY
-#error CFG_NAND_LEGACY defined in a file not using the legacy NAND support!
-#endif
-
-#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+#if (CONFIG_COMMANDS & CFG_CMD_NAND) && !defined(CFG_NAND_LEGACY)
 
 #include <linux/mtd/nand.h>
 
diff --git a/drivers/nand_legacy/nand_legacy.c b/drivers/nand_legacy/nand_legacy.c
index 3989ca2a2..458046d41 100644
--- a/drivers/nand_legacy/nand_legacy.c
+++ b/drivers/nand_legacy/nand_legacy.c
@@ -10,11 +10,6 @@
  */
 
 #include <common.h>
-
-#ifndef CFG_NAND_LEGACY
-#error CFG_NAND_LEGACY not defined in a file using the legacy NAND support!
-#endif
-
 #include <command.h>
 #include <malloc.h>
 #include <asm/io.h>
@@ -27,7 +22,7 @@
 # define SHOW_BOOT_PROGRESS(arg)
 #endif
 
-#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+#if (CONFIG_COMMANDS & CFG_CMD_NAND) && defined(CFG_NAND_LEGACY)
 
 #include <linux/mtd/nand_legacy.h>
 #include <linux/mtd/nand_ids.h>
@@ -1612,4 +1607,13 @@ static int nand_correct_data (u_char *dat, u_char *read_ecc, u_char *calc_ecc)
 
 #endif
 
-#endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) */
+#ifdef CONFIG_JFFS2_NAND
+int read_jffs2_nand(size_t start, size_t len,
+		size_t * retlen, u_char * buf, int nanddev)
+{
+	return nand_legacy_rw(nand_dev_desc + nanddev, NANDRW_READ | NANDRW_JFFS2,
+			start, len, retlen, buf);
+}
+#endif /* CONFIG_JFFS2_NAND */
+
+#endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) && defined(CFG_NAND_LEGACY) */
-- 
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