Ensure SDCC is working with maximum clock otherwise card
detection could be extremely slow, up to 7 seconds.
Signed-off-by: Ivan T. Ivanov <ivan.iva...@linaro.org>
Reviewed-by: Georgi Djakov <georgi.dja...@linaro.org>
Acked-by: Stephen Boyd <sb...@codeaurora.org>
---
Changes since v0:
- s/falied/failed in warning message.
drivers/mmc/host/sdhci-msm.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index 4a09f76..4bcee03 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -489,6 +489,11 @@ static int sdhci_msm_probe(struct platform_device *pdev)
goto pclk_disable;
}
+ /* Vote for maximum clock rate for maximum performance */
+ ret = clk_set_rate(msm_host->clk, INT_MAX);
+ if (ret)
+ dev_warn(&pdev->dev, "core clock boost failed\n");
+
ret = clk_prepare_enable(msm_host->clk);
if (ret)
goto pclk_disable;
--
1.9.1
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