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[MTD] OneNAND: Fix unlock all status error
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We have to set ONENAND_REG_START_BLOCK_ADDRESS to avoid status error

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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Kyungmin Park committed Jan 18, 2007
1 parent 9cdf083 commit 10b7a2b
Showing 1 changed file with 4 additions and 5 deletions.
9 changes: 4 additions & 5 deletions drivers/mtd/onenand/onenand_base.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);

Expand All @@ -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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