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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-22 16:56:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-22 16:56:22 -0700
commitac1b7c378ef26fba6694d5f118fe7fc16fee2fe2 (patch)
tree3f72979545bb070eb2c3e903cbf31dc4aef3ffc9 /drivers/mtd/onenand/onenand_bbt.c
parent9e268beb92ee3a853b3946e84b10358207e2085f (diff)
parentc90173f0907486fe4010c2a8cef534e2473db43f (diff)
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (63 commits) mtd: OneNAND: Allow setting of boundary information when built as module jffs2: leaking jffs2_summary in function jffs2_scan_medium mtd: nand: Fix memory leak on txx9ndfmc probe failure. mtd: orion_nand: use burst reads with double word accesses mtd/nand: s3c6400 support for s3c2410 driver [MTD] [NAND] S3C2410: Use DIV_ROUND_UP [MTD] [NAND] S3C2410: Deal with unaligned lengths in S3C2440 buffer read/write [MTD] [NAND] S3C2410: Allow the machine code to get the BBT table from NAND [MTD] [NAND] S3C2410: Added a kerneldoc for s3c2410_nand_set mtd: physmap_of: Add multiple regions and concatenation support mtd: nand: max_retries off by one in mxc_nand mtd: nand: s3c2410_nand_setrate(): use correct macros for 2412/2440 mtd: onenand: add bbt_wait & unlock_all as replaceable for some platform mtd: Flex-OneNAND support mtd: nand: add OMAP2/OMAP3 NAND driver mtd: maps: Blackfin async: fix memory leaks in probe/remove funcs mtd: uclinux: mark local stuff static mtd: uclinux: do not allow to be built as a module mtd: uclinux: allow systems to override map addr/size mtd: blackfin NFC: fix hang when using NAND on BF527-EZKITs ...
Diffstat (limited to 'drivers/mtd/onenand/onenand_bbt.c')
-rw-r--r--drivers/mtd/onenand/onenand_bbt.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/mtd/onenand/onenand_bbt.c b/drivers/mtd/onenand/onenand_bbt.c
index 2f53b51c680..a91fcac1af0 100644
--- a/drivers/mtd/onenand/onenand_bbt.c
+++ b/drivers/mtd/onenand/onenand_bbt.c
@@ -63,6 +63,7 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
loff_t from;
size_t readlen, ooblen;
struct mtd_oob_ops ops;
+ int rgn;
printk(KERN_INFO "Scanning device for bad blocks\n");
@@ -76,7 +77,7 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
/* Note that numblocks is 2 * (real numblocks) here;
* see i += 2 below as it makses shifting and masking less painful
*/
- numblocks = mtd->size >> (bbm->bbt_erase_shift - 1);
+ numblocks = this->chipsize >> (bbm->bbt_erase_shift - 1);
startblock = 0;
from = 0;
@@ -106,7 +107,12 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
}
}
i += 2;
- from += (1 << bbm->bbt_erase_shift);
+
+ if (FLEXONENAND(this)) {
+ rgn = flexonenand_region(mtd, from);
+ from += mtd->eraseregions[rgn].erasesize;
+ } else
+ from += (1 << bbm->bbt_erase_shift);
}
return 0;
@@ -143,7 +149,7 @@ static int onenand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt)
uint8_t res;
/* Get block number * 2 */
- block = (int) (offs >> (bbm->bbt_erase_shift - 1));
+ block = (int) (onenand_block(this, offs) << 1);
res = (bbm->bbt[block >> 3] >> (block & 0x06)) & 0x03;
DEBUG(MTD_DEBUG_LEVEL2, "onenand_isbad_bbt: bbt info for offs 0x%08x: (block %d) 0x%02x\n",
@@ -178,7 +184,7 @@ int onenand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd)
struct bbm_info *bbm = this->bbm;
int len, ret = 0;
- len = mtd->size >> (this->erase_shift + 2);
+ len = this->chipsize >> (this->erase_shift + 2);
/* Allocate memory (2bit per block) and clear the memory bad block table */
bbm->bbt = kzalloc(len, GFP_KERNEL);
if (!bbm->bbt) {