diff --git a/drivers/mtd/onenand/onenand_bbt.c b/drivers/mtd/onenand/onenand_bbt.c
index d538f95..1354877 100644
--- a/drivers/mtd/onenand/onenand_bbt.c
+++ b/drivers/mtd/onenand/onenand_bbt.c
@@ -69,6 +69,7 @@
 	loff_t from;
 	size_t readlen, ooblen;
 	struct mtd_oob_ops ops;
+	int rgn;
 
 	printk(KERN_INFO "Scanning device for bad blocks\n");
 
@@ -82,7 +83,7 @@
 	/* 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;
 
@@ -115,7 +116,12 @@
 			}
 		}
 		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;
@@ -152,7 +158,7 @@
 	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;
 
 	MTDDEBUG (MTD_DEBUG_LEVEL2,
@@ -191,7 +197,7 @@
 	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) */
 	bbm->bbt = malloc(len);
 	if (!bbm->bbt) {