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Commit 20ba89a3 authored by Kyungmin Park's avatar Kyungmin Park Committed by Linus Torvalds
Browse files

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

parent 37b1cc39

drivers/mtd/onenand/onenand_base.c

+6 −4
Original line number Diff line number Diff line
@@ -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))