Le 17/03/2026 à 15:24, Richard Genoud a écrit :
> The available length is really USER_DATA_LEN - 2 instead of just 2 (the
> user data length minus the BBM length)
> USER_DATA_LEN being 4, that doesn't change anything now, but if
> USER_DATA_LEN changes, it will.
>
> Signed-off-by: Richard Genoud <richard.genoud@bootlin.com>
Sorry, I forgot to pick-up the review from Chen-Yu in v2:
Reviewed-by: Chen-Yu Tsai <wens@kernel.org>
> ---
> drivers/mtd/nand/raw/sunxi_nand.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
> index e66adfcca7cd..915f1240546f 100644
> --- a/drivers/mtd/nand/raw/sunxi_nand.c
> +++ b/drivers/mtd/nand/raw/sunxi_nand.c
> @@ -1755,12 +1755,12 @@ static int sunxi_nand_ooblayout_free(struct mtd_info *mtd, int section,
>
> /*
> * The first 2 bytes are used for BB markers, hence we
> - * only have 2 bytes available in the first user data
> + * only have USER_DATA_SZ - 2 bytes available in the first user data
> * section.
> */
> if (!section && ecc->engine_type == NAND_ECC_ENGINE_TYPE_ON_HOST) {
> oobregion->offset = 2;
> - oobregion->length = 2;
> + oobregion->length = USER_DATA_SZ - 2;
>
> return 0;
> }
>