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mmc: sdhci-s3c: derive transfer width host cap from max_width in platdata 

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@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Thomas Abraham 2012-03-31 23:29:45 -04:00 committed by Chris Ball
parent 3119936a28
commit 0d22c77089
1 changed files with 8 additions and 0 deletions
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8
drivers/mmc/host/sdhci-s3c.c
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@ -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;
case 4:
host->mmc->caps |= MMC_CAP_4_BIT_DATA;
break;
}
if (pdata->pm_caps)
host->mmc->pm_caps |= pdata->pm_caps;