From 10b7a2bd6bf3510cbb5977a44d8822f085738729 Mon Sep 17 00:00:00 2001
From: Kyungmin Park <kyungmin.park@samsung.com>
Date: Fri, 12 Jan 2007 05:45:34 +0900
Subject: [MTD] OneNAND: Fix unlock all status error
We have to set ONENAND_REG_START_BLOCK_ADDRESS to avoid status error
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
drivers/mtd/onenand/onenand_base.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 2da6bb2..d0f3118 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -1491,6 +1491,8 @@ static int onenand_unlock_all(struct mtd_info *mtd)
struct onenand_chip *this = mtd->priv;
if (this->options & ONENAND_HAS_UNLOCK_ALL) {
+ /* Set start block address */
+ this->write_word(0, this->base + ONENAND_REG_START_BLOCK_ADDRESS);
/* Write unlock command */
this->command(mtd, ONENAND_CMD_UNLOCK_ALL, 0, 0);
@@ -1504,12 +1506,9 @@ static int onenand_unlock_all(struct mtd_info *mtd)
/* Workaround for all block unlock in DDP */
if (this->device_id & ONENAND_DEVICE_IS_DDP) {
- loff_t ofs;
- size_t len;
-
/* 1st block on another chip */
- ofs = this->chipsize >> 1;
- len = 1 << this->erase_shift;
+ loff_t ofs = this->chipsize >> 1;
+ size_t len = mtd->erasesize;
onenand_unlock(mtd, ofs, len);
}
--
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