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SubjectRe: [PATCH 1/8] mtd: nand: sunxi: fix support for 512bytes ECC chunks
On Thu, 20 Oct 2016 10:12:42 +0200
Maxime Ripard <maxime.ripard@free-electrons.com> wrote:

> From: Boris Brezillon <boris.brezillon@free-electrons.com>
>
> The driver is incorrectly assuming that the ECC block size is always 1k
> which is not always true.
>
> Also take the other cases into account.
>
> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

Applied.

> ---
> drivers/mtd/nand/sunxi_nand.c | 4 ++++
> 1 file changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
> index 8b8470c4e6d0..e40482a65de6 100644
> --- a/drivers/mtd/nand/sunxi_nand.c
> +++ b/drivers/mtd/nand/sunxi_nand.c
> @@ -145,6 +145,7 @@
> #define NFC_ECC_PIPELINE BIT(3)
> #define NFC_ECC_EXCEPTION BIT(4)
> #define NFC_ECC_BLOCK_SIZE_MSK BIT(5)
> +#define NFC_ECC_BLOCK_512 BIT(5)
> #define NFC_RANDOM_EN BIT(9)
> #define NFC_RANDOM_DIRECTION BIT(10)
> #define NFC_ECC_MODE_MSK GENMASK(15, 12)
> @@ -817,6 +818,9 @@ static void sunxi_nfc_hw_ecc_enable(struct mtd_info *mtd)
> ecc_ctl |= NFC_ECC_EN | NFC_ECC_MODE(data->mode) | NFC_ECC_EXCEPTION |
> NFC_ECC_PIPELINE;
>
> + if (nand->ecc.size == 512)
> + ecc_ctl |= NFC_ECC_BLOCK_512;
> +
> writel(ecc_ctl, nfc->regs + NFC_REG_ECC_CTL);
> }
>

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