mtd/drivers/mtd/nand nand_bbt.c,1.13,1.14
gleixner at infradead.org
gleixner at infradead.org
Fri Jun 4 04:34:42 EDT 2004
Update of /home/cvs/mtd/drivers/mtd/nand
In directory phoenix.infradead.org:/tmp/cvs-serv29803
Modified Files:
nand_bbt.c
Log Message:
Scan all pages when creating a flash table. Add check option for second page. Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
Index: nand_bbt.c
===================================================================
RCS file: /home/cvs/mtd/drivers/mtd/nand/nand_bbt.c,v
retrieving revision 1.13
retrieving revision 1.14
diff -u -r1.13 -r1.14
--- nand_bbt.c 1 Jun 2004 19:43:25 -0000 1.13
+++ nand_bbt.c 4 Jun 2004 08:34:39 -0000 1.14
@@ -246,8 +246,12 @@
if (bd->options & NAND_BBT_SCANALLPAGES)
len = 1 << (this->erase_shift - this->page_shift);
- else
- len = 1;
+ else {
+ if (bd->options & NAND_BBT_SCAN2NDPAGE)
+ len = 1;
+ else
+ len = 2;
+ }
scanlen = mtd->oobblock + mtd->oobsize;
readlen = len * mtd->oobblock;
ooblen = len * mtd->oobsize;
@@ -879,14 +883,14 @@
};
static struct nand_bbt_descr smallpage_flashbased = {
- .options = NAND_BBT_SCANEMPTY,
+ .options = NAND_BBT_SCANEMPTY | NAND_BBT_SCANALLPAGES,
.offs = 5,
.len = 1,
.pattern = scan_ff_pattern
};
static struct nand_bbt_descr largepage_flashbased = {
- .options = NAND_BBT_SCANEMPTY,
+ .options = NAND_BBT_SCANEMPTY | NAND_BBT_SCANALLPAGES,
.offs = 0,
.len = 2,
.pattern = scan_ff_pattern
@@ -930,7 +934,7 @@
* nand_default_bbt - [NAND Interface] Select a default bad block table for the device
* @mtd: MTD device structure
*
- * This function tries selects the default bad block table
+ * This function selects the default bad block table
* support for the device and calls the nand_scan_bbt function
*
*/
@@ -971,8 +975,8 @@
this->bbt_md = NULL;
if (mtd->oobblock > 512)
return nand_scan_bbt (mtd, &largepage_memorybased);
- else
- return nand_scan_bbt (mtd, &smallpage_memorybased);
+ else
+ return nand_scan_bbt (mtd, &smallpage_memorybased);
}
}
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