[PATCH v3 4/6] mmc: sdhci-s3c: derive transfer width host capability from max_width in platform data
From: Sergei Shtylyov <hidden>
Date: 2012-01-31 19:12:13
Also in:
linux-devicetree, linux-mmc, linux-samsung-soc
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<redacted> --- drivers/mmc/host/sdhci-s3c.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-)
quoted hunk ↗ jump to hunk
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