From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Abraham Subject: [PATCH v3 4/6] mmc: sdhci-s3c: derive transfer width host capability from max_width in platform data Date: Tue, 31 Jan 2012 23:26:14 +0530 Message-ID: <1328032576-9269-5-git-send-email-thomas.abraham@linaro.org> References: <1328032576-9269-1-git-send-email-thomas.abraham@linaro.org> Return-path: In-reply-to: <1328032576-9269-1-git-send-email-thomas.abraham@linaro.org> Sender: linux-samsung-soc-owner@vger.kernel.org To: linux-mmc@vger.kernel.org, devicetree-discuss@lists.ozlabs.org Cc: linux-arm-kernel@lists.infradead.org, cjb@laptop.org, grant.likely@secretlab.ca, rob.herring@calxeda.com, linux-samsung-soc@vger.kernel.org, kgene.kim@samsung.com, ben-linux@fluff.org, patches@linaro.org List-Id: devicetree@vger.kernel.org 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 --- 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