[PATCH 1/2] MTD: atmel_nand: Update Kconfig to support PMECC
dedekind1 at gmail.com
Mon Dec 12 15:58:19 EST 2011
On Thu, 2011-12-08 at 14:53 +0800, Hong Xu wrote:
> +config MTD_NAND_ATMEL_PMECC_HW
> + bool "Programmable Hardware ECC (BCH code)"
> + depends on ARCH_AT91SAM9X5 || ARCH_AT91SAM9N12
> + help
> + Use Programmable Hardware ECC (PMECC) controller.
> + The PMECC Controller is a programmable binary BCH (Bose, Chaudhuri
> + and Hocquenghem) encoder/decoder. This controller can be used to
> + generate redundancy information for both SLC and MLC NAND Flash
> + devices.
> + NB : hardware and software ECC schemes are incompatible.
> + If you switch from one to another, you'll have to erase your
> + mtd partition.
Does it have to be a config option, can we avoid adding config options
uless we really have to?
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