[U-Boot] [PATCH 2/4] mmc: Fix Dual Data Rate capability recognition

[Pantelis Antoniou]

Hi Andrew,

> On Dec 1, 2014, at 14:59 , Andrew Gabbasov <andrew_gabbasov at mentor.com> wrote:
> 
> Since the driver doesn't work in 1.2V or 1.8V signaling level modes,
> Dual Data Rate mode can be supported by the driver only if it is supported
> by the card in regular 3.3V mode. So, check for a particular single
> bit in card type field.
> 
> Signed-off-by: Andrew Gabbasov <andrew_gabbasov at mentor.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 4603a81..d878c1e 100644
> --- a/drivers/mmc/mmc.c
> +++ b/drivers/mmc/mmc.c
> @@ -519,7 +519,7 @@ static int mmc_change_freq(struct mmc *mmc)
> 
> 	/* High Speed is set, there are two types: 52MHz and 26MHz */
> 	if (cardtype & EXT_CSD_CARD_TYPE_52) {
> -		if (cardtype & EXT_CSD_CARD_TYPE_DDR_52)
> +		if (cardtype & EXT_CSD_CARD_TYPE_DDR_1_8V)
> 			mmc->card_caps |= MMC_MODE_DDR_52MHz;
> 		mmc->card_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
> 	} else {
> -- 
> 2.1.0

Applied, thanks.

— Pantelis