aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2005-02-09 12:20:00 +0000
committerThomas Gleixner <tglx@mtd.linutronix.de>2005-05-23 12:30:07 +0200
commit0040bf382c77414739c933e4d2ee35ff817d0b99 (patch)
treed6f41550decccc536dfbbd46dc7ecccbf6105669
parent2f82ce1eb637c06dfc60f095cd1891ae0ba4894c (diff)
downloadmrst-s0i3-test-0040bf382c77414739c933e4d2ee35ff817d0b99.tar.gz
mrst-s0i3-test-0040bf382c77414739c933e4d2ee35ff817d0b99.tar.xz
mrst-s0i3-test-0040bf382c77414739c933e4d2ee35ff817d0b99.zip
[MTD] NAND: Skip bad block table scan on request
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--drivers/mtd/nand/nand_base.c6
-rw-r--r--include/linux/mtd/nand.h5
2 files changed, 8 insertions, 3 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 7094dd5716d..99abd615a46 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 1.130 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
@@ -2631,6 +2631,10 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
memcpy(&mtd->oobinfo, this->autooob, sizeof(mtd->oobinfo));
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);
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index cf52f20c6de..cf25c7cfd0b 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -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 */