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SubjectRe: [PATCH 2/3] mtd: nand: add NAND_NEED_SCRAMBLING flag to the H27UCG8T2ATR-BC definition
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On Thu, Oct 15, 2015 at 7:17 PM, Boris Brezillon
<boris.brezillon@free-electrons.com> wrote:
> The H27UCG8T2ATR-BC requires an external data scrambler. Reflect this
> constraint in the nand_flash_ids definition.
>
> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
> ---
> drivers/mtd/nand/nand_ids.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mtd/nand/nand_ids.c b/drivers/mtd/nand/nand_ids.c
> index a8804a3..ccc05f5 100644
> --- a/drivers/mtd/nand/nand_ids.c
> +++ b/drivers/mtd/nand/nand_ids.c
> @@ -50,8 +50,8 @@ struct nand_flash_dev nand_flash_ids[] = {
> SZ_16K, SZ_8K, SZ_4M, 0, 6, 1280, NAND_ECC_INFO(40, SZ_1K) },
> {"H27UCG8T2ATR-BC 64G 3.3V 8-bit",
> { .id = {0xad, 0xde, 0x94, 0xda, 0x74, 0xc4} },
> - SZ_8K, SZ_8K, SZ_2M, 0, 6, 640, NAND_ECC_INFO(40, SZ_1K),
> - 4 },
> + SZ_8K, SZ_8K, SZ_2M, NAND_NEED_SCRAMBLING, 6, 640,
> + NAND_ECC_INFO(40, SZ_1K), 4 },

Would it make sense to print a warning if a NAND which needs scrambling
is used on a NFC which does not support this feature?

--
Thanks,
//richard


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