mtd: nand: introduce NAND_CREATE_EMPTY_BBT

it will create an empty BBT table without considering vendor's BBT
information. Vendor's information may be unavailable if the NAND
controller has a different DATA & OOB layout or this information may be
allready purged.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index 1dcafb8f47dd..586b981f0e61 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -999,7 +999,8 @@ static int check_create(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_desc
                         continue;
 
                 /* Create the table in memory by scanning the chip(s) */
-                create_bbt(mtd, buf, bd, chipsel);
+                if (!(this->options & NAND_CREATE_EMPTY_BBT))
+                        create_bbt(mtd, buf, bd, chipsel);
 
                 td->version[i] = 1;
                 if (md)