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-rw-r--r--drivers/mtd/onenand/onenand_base.c3
-rw-r--r--include/linux/mtd/onenand.h1
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 4205b9423b89..56a8b2005bda 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -4085,7 +4085,8 @@ int onenand_scan(struct mtd_info *mtd, int maxchips)
mtd->writebufsize = mtd->writesize;
/* Unlock whole block */
- this->unlock_all(mtd);
+ if (!(this->options & ONENAND_SKIP_INITIAL_UNLOCKING))
+ this->unlock_all(mtd);
ret = this->scan_bbt(mtd);
if ((!FLEXONENAND(this)) || ret)
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index ae418e41d8f5..52b6f187bf49 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -198,6 +198,7 @@ struct onenand_chip {
#define ONENAND_SKIP_UNLOCK_CHECK (0x0100)
#define ONENAND_PAGEBUF_ALLOC (0x1000)
#define ONENAND_OOBBUF_ALLOC (0x2000)
+#define ONENAND_SKIP_INITIAL_UNLOCKING (0x4000)
#define ONENAND_IS_4KB_PAGE(this) \
(this->options & ONENAND_HAS_4KB_PAGE)
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