| Message ID | 1435317417-369-1-git-send-email-ivan.ivanov@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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 > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Fri, 2015-06-26 at 14:34 +0300, Georgi Djakov wrote: > 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 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. > Oops, will fix. Thanks, Ivan > > + > > ret = clk_prepare_enable(msm_host->clk); > > if (ret) > > goto pclk_disable; > > -- > > 1.9.1 > > > > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 06/26/2015 04:16 AM, 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> > --- With the typo fixed. Acked-by: Stephen Boyd <sboyd@codeaurora.org>
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"); + ret = clk_prepare_enable(msm_host->clk); if (ret) goto pclk_disable;
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(+) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html