drivers/usb/phy/phy-msm-usb.c: In function 'msm_otg_runtime_suspend': drivers/usb/phy/phy-msm-usb.c:1691:2: error: implicit declaration of function 'msm_otg_suspend' drivers/usb/phy/phy-msm-usb.c: In function 'msm_otg_runtime_resume': drivers/usb/phy/phy-msm-usb.c:1699:2: error: implicit declaration of function 'msm_otg_resume' #ifdef CONFIG_PM_SLEEP static int msm_otg_suspend(struct msm_otg *motg) { ... } static int msm_otg_resume(struct msm_otg *motg) { ... } #endif ... #ifdef CONFIG_PM_RUNTIME ... static int msm_otg_runtime_suspend(struct device *dev) { struct msm_otg *motg = dev_get_drvdata(dev); dev_dbg(dev, "OTG runtime suspend\n"); return msm_otg_suspend(motg); } static int msm_otg_runtime_resume(struct device *dev) { struct msm_otg *motg = dev_get_drvdata(dev); dev_dbg(dev, "OTG runtime resume\n"); return msm_otg_resume(motg); } #endif So, if runtime PM is enabled, but PM sleep isn't, this fails as above. If the msm_otg_* functions are required for runtime PM, they shouldn't be conditional on CONfIG_PM_SLEEP. -- FTTC broadband for 0.8mile line: 5.8Mbps down 500kbps up. Estimation in database were 13.1 to 19Mbit for a good line, about 7.5+ for a bad. Estimate before purchase was "up to 13.2Mbit". -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html