From: Thomas Abraham <[email protected]> This patch sets the parent clock, source clock and sdhci module clock speed for 6410 sdhci controller.
Signed-off-by: Thomas Abraham <[email protected]> --- drivers/mmc/host/sdhci-s3c.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index 50997d2..db1bb93 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -22,6 +22,8 @@ #include <plat/sdhci.h> #include <plat/regs-sdhci.h> +#include <plat/clock.h> +#include <plat/cpu.h> #include "sdhci.h" @@ -221,6 +223,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) struct sdhci_host *host; struct sdhci_s3c *sc; struct resource *res; + struct clk *clk_mmc, *clk_parent; int ret, irq, ptr, clks; if (!pdata) { @@ -240,6 +243,16 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) return -ENOENT; } + /* Set the SDHCI controller clock rate */ + clk_mmc = clk_get(dev, pdata->clk_source_name); + clk_parent = clk_get(dev, pdata->clk_parent_name); + if (!clk_mmc || !clk_parent) { + dev_err(dev, "could not obtain clock information"); + return -ENXIO; + } + clk_set_parent(clk_mmc, clk_parent); + clk_set_rate(clk_mmc, pdata->clk_speed); + host = sdhci_alloc_host(dev, sizeof(struct sdhci_s3c)); if (IS_ERR(host)) { dev_err(dev, "sdhci_alloc_host() failed\n"); -- 1.5.3.4 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
