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[MTD] NAND: Skip bad block table scan on request 

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2005-02-09 12:20:00 +00:00 committed by Thomas Gleixner
parent 2f82ce1eb6
commit 0040bf382c
2 changed files with 8 additions and 3 deletions
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6
drivers/mtd/nand/nand_base.c
View File

@ -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 1.130 2005/01/24 03:07:43 dmarlin Exp $
* $Id: nand_base.c,v 1.131 2005/02/09 12:19:56 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
@ -2632,6 +2632,10 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
mtd->owner = THIS_MODULE;
/* Check, if we should skip the bad block table scan */
if (this->options & NAND_SKIP_BBTSCAN)
return 0;
/* Build bad block table */
return this->scan_bbt (mtd);
}

5
include/linux/mtd/nand.h
View File

@ -5,7 +5,7 @@
* Steven J. Hill <sjhill@realitydiluted.com>
* Thomas Gleixner <tglx@linutronix.de>
*
* $Id: nand.h,v 1.70 2005/01/24 03:07:42 dmarlin Exp $
* $Id: nand.h,v 1.71 2005/02/09 12:12:59 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
@ -223,7 +223,8 @@ extern int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_
* This can only work if we have the ecc bytes directly behind the
* data bytes. Applies for DOC and AG-AND Renesas HW Reed Solomon generators */
#define NAND_HWECC_SYNDROME 0x00020000
/* This option skips the bbt scan during initialization. */
#define NAND_SKIP_BBTSCAN 0x00040000
/* Options set by nand scan */
/* Nand scan has allocated oob_buf */