Subject: [PATCH v3 4/6] mmc: sdhci-s3c: derive transfer width host capability from max_width in platform data

From: [email-masked] (Sergei Shtylyov)
Date: Tue, 31 Jan 2012 22:12:13 +0300

Hello.

On 01/31/2012 08:56 PM, Thomas Abraham wrote:

> max_width member in platform data can be used to derive the mmc bus transfer
> width that can be supported by the controller.

> Signed-off-by: Thomas Abraham<[email-masked]>
> ---
>   drivers/mmc/host/sdhci-s3c.c |    8 ++++++++
>   1 files changed, 8 insertions(+), 0 deletions(-)

> diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
> index e1b685d..a57d7a0 100644
> --- a/drivers/mmc/host/sdhci-s3c.c
> +++ b/drivers/mmc/host/sdhci-s3c.c
> @@ -562,6 +562,14 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
>   	if (pdata->cd_type == S3C_SDHCI_CD_PERMANENT)
>   		host->mmc->caps = MMC_CAP_NONREMOVABLE;
>
> +	switch (pdata->max_width) {
> +	case 8:
> +		host->mmc->caps |= MMC_CAP_8_BIT_DATA;

    A comment like /* FALL THRU */ is needed here.

> +	case 4:
> +		host->mmc->caps |= MMC_CAP_4_BIT_DATA;
> +		break;
> +	}
> +

WBR, Sergei