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-rw-r--r--cmd/nand.c9
-rw-r--r--drivers/mtd/nand/raw/nand_bbt.c3
2 files changed, 8 insertions, 4 deletions
diff --git a/cmd/nand.c b/cmd/nand.c
index 9a723f57579..b41e54ec422 100644
--- a/cmd/nand.c
+++ b/cmd/nand.c
@@ -567,9 +567,12 @@ static int do_nand(struct cmd_tbl *cmdtp, int flag, int argc,
if (strcmp(cmd, "bad") == 0) {
printf("\nDevice %d bad blocks:\n", dev);
- for (off = 0; off < mtd->size; off += mtd->erasesize)
- if (nand_block_isbad(mtd, off))
- printf(" %08llx\n", (unsigned long long)off);
+ for (off = 0; off < mtd->size; off += mtd->erasesize) {
+ ret = nand_block_isbad(mtd, off);
+ if (ret)
+ printf(" 0x%08llx%s\n", (unsigned long long)off,
+ ret == 2 ? "\t (bbt reserved)" : "");
+ }
return 0;
}
diff --git a/drivers/mtd/nand/raw/nand_bbt.c b/drivers/mtd/nand/raw/nand_bbt.c
index 911472e91e1..cd451870a6f 100644
--- a/drivers/mtd/nand/raw/nand_bbt.c
+++ b/drivers/mtd/nand/raw/nand_bbt.c
@@ -1330,6 +1330,7 @@ int nand_isreserved_bbt(struct mtd_info *mtd, loff_t offs)
* @mtd: MTD device structure
* @offs: offset in the device
* @allowbbt: allow access to bad block table region
+ * Return: 0 - good block, 1- bad block, 2 - reserved block
*/
int nand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt)
{
@@ -1348,7 +1349,7 @@ int nand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt)
case BBT_BLOCK_WORN:
return 1;
case BBT_BLOCK_RESERVED:
- return allowbbt ? 0 : 1;
+ return allowbbt ? 0 : 2;
}
return 1;
}