[U-Boot] [PATCH] mmc: Set the initial clock speed to 400KHz

[Jaehoon Chung]

Hi,

On 05/24/2017 10:54 PM, Phil Edworthy wrote:
> The code currently defaults to the slowest clock speed that can be
> achieved, which can be significantly lower than the SD spec.

Is there any problem..As i know, it should be changed from 1 to min_clk.

> 
> Signed-off-by: Phil Edworthy <phil.edworthy at renesas.com>
> ---
>  drivers/mmc/mmc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
> index 72fc177..dff1be3 100644
> --- a/drivers/mmc/mmc.c
> +++ b/drivers/mmc/mmc.c
> @@ -1676,7 +1676,7 @@ int mmc_start_init(struct mmc *mmc)
>  #endif
>  	mmc->ddr_mode = 0;
>  	mmc_set_bus_width(mmc, 1);
> -	mmc_set_clock(mmc, 1);
> +	mmc_set_clock(mmc, 400000);
>  
>  	/* Reset the Card */
>  	err = mmc_go_idle(mmc);
>