[PATCH v3 4/6] mmc: sdhci-s3c: derive transfer width host capability from max_width in platform data
Sergei Shtylyov
sshtylyov at ru.mvista.com
Tue Jan 31 14:12:13 EST 2012
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<thomas.abraham at linaro.org>
> ---
> 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
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