From: Kyungmin Park 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://review.tizen.org/git/?a=commitdiff_plain;h=20ba89a3614bbc5d111fd74375e14c577859b2a3;p=platform%2Fkernel%2Flinux-exynos.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 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))