[PATCH] OMAP: NAND: Adding config option to enable/disable HW ECC mode

[Vimal Singh]

On Tue, Dec 15, 2009 at 11:05 PM, Tony Lindgren <tony at atomide.com> wrote:
> * Vimal Singh <vimal.newwork at gmail.com> [091215 07:45]:
>> OMAP NAND driver got HW ECC implemented.
>>
>> From d5e28c9fdbc6b0a95c1259fac7add207f9c294d7 Mon Sep 17 00:00:00 2001
>> From: Vimal Singh <vimalsingh at ti.com>
>> Date: Tue, 15 Dec 2009 21:10:54 +0530
>> Subject: [PATCH] OMAP: NAND: Adding config option to enable/disable HW ECC mode
>>
>> This patch adds config option to select/deselect HW ECC feature
>> on OMAP NAND driver. This is a feature provided by OMAP GPMC for
>> NAND devices.
>>
>> Signed-off-by: Vimal Singh <vimalsingh at ti.com>
>> ---
>>  drivers/mtd/nand/Kconfig |   10 ++++++++++
>>  1 files changed, 10 insertions(+), 0 deletions(-)
>>
>> diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
>> index 34598e9..6c4b27c 100644
>> --- a/drivers/mtd/nand/Kconfig
>> +++ b/drivers/mtd/nand/Kconfig
>> @@ -97,6 +97,16 @@ config MTD_NAND_OMAP_PREFETCH_DMA
>>        or in DMA interrupt mode.
>>        Say y for DMA mode or MPU mode will be used
>>
>> +config MTD_NAND_OMAP_HWECC
>> +     bool "The Hardware ECC support"
>> +     depends on MTD_NAND && MTD_NAND_OMAP2
>> +     default n
>> +     help
>> +      The ECC compuatation for the data to be written/read can be either by
>> +      software or omap has Hw ecc engine which calculates it.
>> +      MTD_NAND_OMAP_HWECC = y which enables the hw ecc
>> +      MTD_NAND_OMAP_HWECC = n enables software ecc
>> +
>>  config MTD_NAND_TS7250
>>       tristate "NAND Flash device on TS-7250 board"
>>       depends on MACH_TS72XX
>
> This sounds like it should be an option passed from the board-*.c
> files as platform_data rather than a Kconfig option.

ACK. I'll do it once flash support patches get merged.


-- 
Regards,
Vimal Singh