[U-Boot] [PATCH 2/4] sunxi_nand_spl: Remove NAND_SUNXI_SPL_SYNDROME_PARTITIONS_END

[Scott Wood]

On Sat, 2015-08-22 at 20:13 +0200, Hans de Goede wrote:
> We only ever use syndrome mode for the partitions which contain the SPL,
> as that is required for the BROM to be able to read the SPL.
> 
> Instead of using some arbritray limit for deciding whether or not to
> use syndrome, be smart and check if u-boot-dtb.bin is directly behind
> the SPL, if it is not then it is on its own partition and we should not
> use syndrome.
> 
> Note the reason why we only use syndrome mode is because it comes with
> weaker randomization,

"...why we only use syndrome mode for the SPL is because..."

>  introducing a risc for more bit errors, 

risk


> -     int syndrome = offs < CONFIG_NAND_SUNXI_SPL_SYNDROME_PARTITIONS_END;
> -     int i;
> +     int i, syndrome;
> +
> +     if (CONFIG_SYS_NAND_U_BOOT_OFFS == CONFIG_SPL_PAD_TO)
> +             syndrome = 1; /* u-boot-dtb.bin appended to SPL */
> +     else
> +             syndrome = 0; /* u-boot-dtb.bin on its own partition */

Is it not possible for a separate partition to begin at CONFIG_SPL_PAD_TO, or 
would padding not be used in that case?

-Scott