Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
[PATCH] mtd onenand driver: fix unlock problem in DDP
authored by
Kyungmin Park
and committed by
Linus Torvalds
20ba89a3
37b1cc39
+6
-4
+6
-4
drivers/mtd/onenand/onenand_base.c
+6
-4
drivers/mtd/onenand/onenand_base.c
···
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/* Block lock scheme */
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for (block = start; block < end; block++) {
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+
/* Set block address */
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value = onenand_block_address(this, block);
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+
this->write_word(value, this->base + ONENAND_REG_START_ADDRESS1);
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/* Select DataRAM for DDP */
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value = onenand_bufferram_address(this, block);
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this->write_word(value, this->base + ONENAND_REG_START_ADDRESS2);
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/* Set start block address */
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this->write_word(block, this->base + ONENAND_REG_START_BLOCK_ADDRESS);
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/* Write unlock command */
···
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while (this->read_word(this->base + ONENAND_REG_CTRL_STATUS)
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& ONENAND_CTRL_ONGO)
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continue;
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-
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-
/* Set block address for read block status */
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value = onenand_block_address(this, block);
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-
this->write_word(value, this->base + ONENAND_REG_START_ADDRESS1);
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/* Check lock status */
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status = this->read_word(this->base + ONENAND_REG_WP_STATUS);