>From ab740d4e4b786a04a51b1de44e91f51919709e0a Mon Sep 17 00:00:00 2001
From: brucle <[email protected]>
Date: Wed, 13 Aug 2008 17:16:48 -0700
Subject: [PATCH] Code clean up preping for support of > 2GiB MTD devices
Signed-off-by: Bruce D. Leonard <[email protected]>
---
drivers/mtd/nand/nand_base.c | 2 +-
drivers/mtd/nand/nand_bbt.c | 5 ++---
2 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index d1129ba..d5ac675 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2042,7 +2042,7 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
return -EINVAL;
}
- instr->fail_addr = 0xffffffff;
+ instr->fail_addr = (typeof(instr->fail_addr))(-1);
/* Grab the lock and see if the device is available */
nand_get_device(chip, mtd, FL_ERASING);
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index 0b1c485..2f9f0f5 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -411,7 +411,7 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf,
numblocks = this->chipsize >> (this->bbt_erase_shift - 1);
startblock = chip * numblocks;
numblocks += startblock;
- from = startblock << (this->bbt_erase_shift - 1);
+ from = (loff_t)startblock << (this->bbt_erase_shift - 1);
}
for (i = startblock; i < numblocks;) {
@@ -495,7 +495,7 @@ static int search_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
for (block = 0; block < td->maxblocks; block++) {
int actblock = startblock + dir * block;
- loff_t offs = actblock << this->bbt_erase_shift;
+ loff_t offs = (loff_t)actblock << this->bbt_erase_shift;
/* Read first page */
scan_read_raw(mtd, buf, offs, mtd->writesize);
@@ -1027,7 +1027,6 @@ int nand_update_bbt(struct mtd_info *mtd, loff_t offs)
if (!this->bbt || !td)
return -EINVAL;
- len = mtd->size >> (this->bbt_erase_shift + 2);
/* Allocate a temporary buffer for one eraseblock incl. oob */
len = (1 << this->bbt_erase_shift);
len += (len >> this->page_shift) * mtd->oobsize;
--
1.5.3.4