From 257f9df12307cb0239196d9ec18e2af12c52435e Mon Sep 17 00:00:00 2001 From: Vipul Kumar Samar Date: Thu, 8 Nov 2012 20:39:09 +0530 Subject: [PATCH] mmc: sdhci-spear: Initialize sdhci clk to 50 MHz SPEAr sdhci driver expects the clock to be set to 50 MHz for proper functioning. This patch sets clk to 50 MHz in probe. Signed-off-by: Vipul Kumar Samar Signed-off-by: Viresh Kumar Signed-off-by: Chris Ball --- drivers/mmc/host/sdhci-spear.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/mmc/host/sdhci-spear.c b/drivers/mmc/host/sdhci-spear.c index 6be89c032deb..fea8bf92efab 100644 --- a/drivers/mmc/host/sdhci-spear.c +++ b/drivers/mmc/host/sdhci-spear.c @@ -146,6 +146,11 @@ static int __devinit sdhci_probe(struct platform_device *pdev) goto put_clk; } + ret = clk_set_rate(sdhci->clk, 50000000); + if (ret) + dev_dbg(&pdev->dev, "Error setting desired clk, clk=%lu\n", + clk_get_rate(sdhci->clk)); + if (np) { sdhci->data = sdhci_probe_config_dt(pdev); if (IS_ERR(sdhci->data)) { -- 2.20.1