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authorKyungmin Park <kyungmin.park@samsung.com>2005-12-16 11:17:29 +0900
committerLinus Torvalds <torvalds@g5.osdl.org>2005-12-18 16:28:23 -0800
commit20ba89a3614bbc5d111fd74375e14c577859b2a3 (patch)
treef6b4da6e50a21dc8a8f4afd76408af1fc918a5ed /drivers
parent37b1cc3910f7976369fc0ed55068a686e92555e6 (diff)
downloadop-kernel-dev-20ba89a3614bbc5d111fd74375e14c577859b2a3.zip
op-kernel-dev-20ba89a3614bbc5d111fd74375e14c577859b2a3.tar.gz
[PATCH] mtd onenand driver: fix unlock problem in DDP
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/onenand/onenand_base.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 33d6f5c..d57afba 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -1296,6 +1296,12 @@ static int onenand_unlock(struct mtd_info *mtd, loff_t ofs, size_t len)
/* Block lock scheme */
for (block = start; block < end; block++) {
+ /* Set block address */
+ value = onenand_block_address(this, block);
+ this->write_word(value, this->base + ONENAND_REG_START_ADDRESS1);
+ /* Select DataRAM for DDP */
+ value = onenand_bufferram_address(this, block);
+ this->write_word(value, this->base + ONENAND_REG_START_ADDRESS2);
/* Set start block address */
this->write_word(block, this->base + ONENAND_REG_START_BLOCK_ADDRESS);
/* Write unlock command */
@@ -1309,10 +1315,6 @@ static int onenand_unlock(struct mtd_info *mtd, loff_t ofs, size_t len)
& ONENAND_CTRL_ONGO)
continue;
- /* Set block address for read block status */
- value = onenand_block_address(this, block);
- this->write_word(value, this->base + ONENAND_REG_START_ADDRESS1);
-
/* Check lock status */
status = this->read_word(this->base + ONENAND_REG_WP_STATUS);
if (!(status & ONENAND_WP_US))
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