Skip to content

L
linux-davinci
Commit 20ba89a3 authored by Kyungmin Park's avatar Kyungmin Park Committed by Linus Torvalds
Browse files
Options

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

parent 37b1cc39
Hide whitespace changes
Inline Side-by-side
Showing with 6 additions and 4 deletions
drivers/mtd/onenand/onenand_base.c
View file @ 20ba89a3
...@@ -1296,6 +1296,12 @@ static int onenand_unlock(struct mtd_info *mtd, loff_t ofs, size_t len) ...@@ -1296,6 +1296,12 @@ static int onenand_unlock(struct mtd_info *mtd, loff_t ofs, size_t len)
/* Block lock scheme */ /* Block lock scheme */
for (block = start; block < end; block++) { 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 */ /* Set start block address */
this->write_word(block, this->base + ONENAND_REG_START_BLOCK_ADDRESS); this->write_word(block, this->base + ONENAND_REG_START_BLOCK_ADDRESS);
/* Write unlock command */ /* Write unlock command */
...@@ -1309,10 +1315,6 @@ static int onenand_unlock(struct mtd_info *mtd, loff_t ofs, size_t len) ...@@ -1309,10 +1315,6 @@ static int onenand_unlock(struct mtd_info *mtd, loff_t ofs, size_t len)
& ONENAND_CTRL_ONGO) & ONENAND_CTRL_ONGO)
continue; 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 */ /* Check lock status */
status = this->read_word(this->base + ONENAND_REG_WP_STATUS); status = this->read_word(this->base + ONENAND_REG_WP_STATUS);
if (!(status & ONENAND_WP_US)) if (!(status & ONENAND_WP_US))
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment