Messages in this thread | | | Date | Fri, 26 Jun 2015 14:34:55 +0300 | From | Georgi Djakov <> | Subject | Re: [PATCH] mmc: sdhci: msm: Boost controller core clock |
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On 06/26/2015 02:16 PM, Ivan T. Ivanov wrote: > 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.ivanov@linaro.org> > --- > 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..b2556bc 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 falied\n");
failed?
Otherwise looks good to me.
> + > ret = clk_prepare_enable(msm_host->clk); > if (ret) > goto pclk_disable; > -- > 1.9.1 >
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