[PATCH] mtd: nand: atmel: Fix EDO mode check
Boris Brezillon
boris.brezillon at free-electrons.com
Mon Jul 31 09:28:13 PDT 2017
On Mon, 31 Jul 2017 10:32:21 +0200
Boris Brezillon <boris.brezillon at free-electrons.com> wrote:
> EDO mode should be used when tRC is less than 30ns, but timings are
> expressed in picoseconds in the nand_sdr_timings struct.
Applied to nand/fixes.
>
> Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
> Fixes: f9ce2eddf176 ("mtd: nand: atmel: Add ->setup_data_interface() hooks")
> Reported-by: Alexander Dahl <ada at thorsis.com>
> ---
> drivers/mtd/nand/atmel/nand-controller.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mtd/nand/atmel/nand-controller.c b/drivers/mtd/nand/atmel/nand-controller.c
> index d922a88e407f..2c8baa0c2c4e 100644
> --- a/drivers/mtd/nand/atmel/nand-controller.c
> +++ b/drivers/mtd/nand/atmel/nand-controller.c
> @@ -1201,7 +1201,7 @@ static int atmel_smc_nand_prepare_smcconf(struct atmel_nand *nand,
> * tRC < 30ns implies EDO mode. This controller does not support this
> * mode.
> */
> - if (conf->timings.sdr.tRC_min < 30)
> + if (conf->timings.sdr.tRC_min < 30000)
> return -ENOTSUPP;
>
> atmel_smc_cs_conf_init(smcconf);
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