[U-Boot] [PATCH v2 8/8] nand: make 1-bit software ECC configurable

[Scott Wood]

On 11/01/2011 05:04 PM, Scott Wood wrote:
> On Wed, Oct 12, 2011 at 09:32:06AM +0200, Christian Hitz wrote:
>> The software ECC algorithm is not necessary when hardware ECC
>> is available and can be left out for a smaller image size.
>> Enable with CONFIG_MTD_ECC_SOFT.
>>
>> Signed-off-by: Christian Hitz <christian.hitz at aizo.com>
>> Cc: Scott Wood <scottwood at freescale.com>
>> ---
>>
>> Saves 2312 bytes of image size when software ECC is not used.
>>
>> Changes since v1:
>> 	- new option to disable software ECC
>>
>>  drivers/mtd/nand/Makefile    |    2 +-
>>  drivers/mtd/nand/nand_base.c |    4 ++++
>>  include/linux/mtd/nand_ecc.h |   25 +++++++++++++++++++++++++
>>  3 files changed, 30 insertions(+), 1 deletions(-)
> 
> Please check which boards select drivers which may use soft ECC,
> and have them #define CONFIG_MTD_ECC_SOFT.

Also document the option in doc/README.nand, and it should probably be
CONFIG_SYS_NAND_ECC_SOFT.

-Scott