Messages in this thread | | | Date | Mon, 20 Jul 2015 16:21:52 +0200 | Subject | Re: [PATCH v2] mmc: sdhci-msm: Boost controller core clock | From | Ulf Hansson <> |
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On 6 July 2015 at 13:53, Ivan T. Ivanov <ivan.ivanov@linaro.org> 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> > Reviewed-by: Georgi Djakov <georgi.djakov@linaro.org> > Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Thanks, applied!
Kind regards Uffe
> --- > > 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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