[PATCH] mtd: nand: atmel: Fix EDO mode check

Alexander Dahl ada at thorsis.com
Mon Jul 31 04:54:28 PDT 2017


Hello,

Tested-by: Alexander Dahl <ada at thorsis.com>

Greets
Alex

Am Montag, 31. Juli 2017, 10:32:21 schrieb Boris Brezillon:
> EDO mode should be used when tRC is less than 30ns, but timings are
> expressed in picoseconds in the nand_sdr_timings struct.
> 
> 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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