[PATCH v3 4/6] mmc: sdhci-s3c: derive transfer width host capability from max_width in platform data
From: Thomas Abraham <hidden>
Date: 2012-01-31 17:56:14
Also in:
linux-arm-kernel, linux-mmc, linux-samsung-soc
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, secure digital host controller interface (sdhci) driver, secure digital host controller interface (sdhci) samsung driver, the rest · Maintainers:
Ulf Hansson, Adrian Hunter, Ben Dooks, Jaehoon Chung, Linus Torvalds
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(-)
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; + case 4: + host->mmc->caps |= MMC_CAP_4_BIT_DATA; + break; + } + if (pdata->host_caps) host->mmc->caps |= pdata->host_caps;
--
1.6.6.rc2