[U-Boot] [PATCH 5/5] NAND: DaVinci: allow forced disable of subpage writes

[Scott Wood]

On Mon, 2014-01-20 at 17:10 -0500, Murali Karicheri wrote:
> This patch introduces a configurable mechanism to disable subpage writes
> in the DaVinci NAND driver.
> 
> Signed-off-by: Vitaly Andrianov <vitalya at ti.com>
> Signed-off-by: Murali Karicheri <m-karicheri2 at ti.com>
> ---
>  drivers/mtd/nand/davinci_nand.c |    3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
> index 5b17d7b..75b03a7 100644
> --- a/drivers/mtd/nand/davinci_nand.c
> +++ b/drivers/mtd/nand/davinci_nand.c
> @@ -609,6 +609,9 @@ void davinci_nand_init(struct nand_chip *nand)
>  #ifdef CONFIG_SYS_NAND_USE_FLASH_BBT
>  	nand->bbt_options	  |= NAND_BBT_USE_FLASH;
>  #endif
> +#ifdef CONFIG_SYS_NAND_NO_SUBPAGE_WRITE
> +	nand->options	  |= NAND_NO_SUBPAGE_WRITE;
> +#endif
>  #ifdef CONFIG_SYS_NAND_HW_ECC
>  	nand->ecc.mode = NAND_ECC_HW;
>  	nand->ecc.size = 512;

Why does it need to be configurable?

-Scott