From: Vipul Kumar Samar <vipulkumar.samar@xxxxxx>
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 <vipulkumar.samar@xxxxxx>
Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
---
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 6be89c0..fea8bf9 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)) {
--
1.7.12.rc2.18.g61b472e
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