Hi Felipe, > On Fri, Dec 13, 2013 at 02:01:32PM +0900, Anton Tikhomirov wrote: > > Hi Felipe, > > > > > -static int dwc3_exynos_suspend(struct device *dev) > > > +static int __dwc3_exynos_suspend(struct dwc3_exynos *exynos) > > > { > > > - struct dwc3_exynos *exynos = dev_get_drvdata(dev); > > > - > > > clk_disable(exynos->clk); > > > > > > return 0; > > > } > > > > > > +static int __dwc3_exynos_resume(struct dwc3_exynos *exynos) > > > +{ > > > + return clk_enable(exynos->clk); > > > +} > > > + > > > +static int dwc3_exynos_suspend(struct device *dev) > > > +{ > > > + struct dwc3_exynos *exynos = dev_get_drvdata(dev); > > > + > > > + return __dwc3_exynos_suspend(exynos); > > > > If dwc3-exynos is runtime suspended, the clock will be disabled > > second time here (unbalanced clk_enable/clk_disable). > > I don't get what you mean but there is something that probably needs > fixing, I guess below makes it better: > > diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3- > exynos.c > index c93919a..1e5720a 100644 > --- a/drivers/usb/dwc3/dwc3-exynos.c > +++ b/drivers/usb/dwc3/dwc3-exynos.c > @@ -218,6 +218,9 @@ static int dwc3_exynos_suspend(struct device *dev) > { > struct dwc3_exynos *exynos = dev_get_drvdata(dev); > > + if (pm_runtime_suspended(dev)) > + return 0; > + > return __dwc3_exynos_suspend(exynos); > } > > > Is that what you meant ? Yes, this is exactly what I meant. Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html