[MTD] NAND: Fix oob available calculation

Use oobfree to calculate the number of oob bytes available for fs usage

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 4 insertions, 7 deletions

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 422c465f311d..aea87f05389e 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -59,7 +59,7 @@
  *      The AG-AND chips have nice features for speed improvement,
  *      which are not supported yet. Read / program 4 pages in one go.
  *
- * $Id: nand_base.c,v 1.137 2005/03/24 14:33:22 dedekind Exp $
+ * $Id: nand_base.c,v 1.138 2005/04/01 07:21:44 gleixner Exp $
  *
  * 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
@@ -2512,12 +2512,9 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
         
         /* The number of bytes available for the filesystem to place fs dependend
          * oob data */
-        if (this->options & NAND_BUSWIDTH_16) {
-                mtd->oobavail = mtd->oobsize - (this->autooob->eccbytes + 2);
-                if (this->autooob->eccbytes & 0x01)
-                        mtd->oobavail--;
-        } else
-                mtd->oobavail = mtd->oobsize - (this->autooob->eccbytes + 1);
+        mtd->oobavail = 0;
+        for (i = 0; this->autooob->oobfree[i][1]; i++)
+                mtd->oobavail += this->autooob->oobfree[i][1];
 
         /* 
          * check ECC mode, default to software