[U-Boot] [PATCH 2/2] mtd:mxs:nand support oobsize bigger than 512

[Marek Vasut]

On Friday, December 19, 2014 at 05:39:13 AM, Peng Fan wrote:
> If ecc chunk data size is 512 and oobsize is bigger than 512, there is
> a chance that block_mark_bit_offset conflicts with bch ecc area.
> 
> The following graph is modified from kernel gpmi-nand.c driver with each
> data block 512 bytes.
> We can see that Block Mark conflicts with ecc area from bch view.
> We can enlarge the ecc chunk size to avoid this problem to those oobsize
> which is larger than 512.

What exactly is the impact of this patch for current installations of U-Boot?
Does the NAND need to be rewritten with new content? Is the format introduced
by this patch compatible with Linux?

Thanks!

Best regards,
Marek Vasut