Re: [PATCH v3 1/7] mmc: clarify DDR timing mode between SD-UHS and eMMC

[Jaehoon Chung <jh80.chung@samsung.com>]

Acked-by: Jaehoon Chung <jh80.chung@samsung.com>

Best Regards,
Jaehoon Chung

On 03/07/2014 10:30 PM, Seungwon Jeon wrote:
> This change distinguishes DDR timing mode of current
> mixed usage to clarify device type.
> 
> Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
> Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
> ---
>  drivers/mmc/core/debugfs.c |    3 +++
>  drivers/mmc/core/mmc.c     |    2 +-
>  include/linux/mmc/host.h   |    3 ++-
>  3 files changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c
> index 54829c0..509229b 100644
> --- a/drivers/mmc/core/debugfs.c
> +++ b/drivers/mmc/core/debugfs.c
> @@ -135,6 +135,9 @@ static int mmc_ios_show(struct seq_file *s, void *data)
>  	case MMC_TIMING_UHS_DDR50:
>  		str = "sd uhs DDR50";
>  		break;
> +	case MMC_TIMING_MMC_DDR52:
> +		str = "mmc DDR52";
> +		break;
>  	case MMC_TIMING_MMC_HS200:
>  		str = "mmc high-speed SDR200";
>  		break;
> diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
> index 1ab5f3a..e22d851 100644
> --- a/drivers/mmc/core/mmc.c
> +++ b/drivers/mmc/core/mmc.c
> @@ -1264,7 +1264,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
>  					goto err;
>  			}
>  			mmc_card_set_ddr_mode(card);
> -			mmc_set_timing(card->host, MMC_TIMING_UHS_DDR50);
> +			mmc_set_timing(card->host, MMC_TIMING_MMC_DDR52);
>  			mmc_set_bus_width(card->host, bus_width);
>  		}
>  	}
> diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
> index cb61ea4..3535420 100644
> --- a/include/linux/mmc/host.h
> +++ b/include/linux/mmc/host.h
> @@ -58,7 +58,8 @@ struct mmc_ios {
>  #define MMC_TIMING_UHS_SDR50	5
>  #define MMC_TIMING_UHS_SDR104	6
>  #define MMC_TIMING_UHS_DDR50	7
> -#define MMC_TIMING_MMC_HS200	8
> +#define MMC_TIMING_MMC_DDR52	8
> +#define MMC_TIMING_MMC_HS200	9
>  
>  #define MMC_SDR_MODE		0
>  #define MMC_1_2V_DDR_MODE	1
>