A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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mmc: sdhci-spear: Initialize sdhci clk to 50 MHz

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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 <[email protected]>
Signed-off-by: Viresh Kumar <[email protected]>
Signed-off-by: Chris Ball <[email protected]>
This commit is contained in:
Vipul Kumar Samar 2012-11-08 20:39:09 +05:30 • committed by Chris Ball
commit 257f9df123
1 changed files with 5 additions and 0 deletions
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5
drivers/mmc/host/sdhci-spear.c
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@ -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)) {