From: Kyungmin Park <kyungmin.park@samsung.com>
Date: Fri, 16 Dec 2005 02:17:29 +0000 (+0900)
Subject: [PATCH] mtd onenand driver: fix unlock problem in DDP
X-Git-Tag: v2.6.15-rc6~4
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=20ba89a3614bbc5d111fd74375e14c577859b2a3;p=linux-2.6-omap-h63xx.git

[PATCH] mtd onenand driver: fix unlock problem in DDP
---

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 33d6f5c2e05..d57afbaaedc 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))