On Tue, Nov 22, 2016 at 7:15 AM, Tobias Jakobi <tjakobi@xxxxxxxxxxxxxxxxxxxxx> wrote: > OK, I don't think this is as easy implementable as MyungJoo implied. > > - exynos_bus_suspend() and exynos_bus_resume() are not called during > shutdown/reboot. You don't need them at shutdown/reboot. probe() is going to be called afterwards anyway. > > - devfreq_suspend_device() and devfreq_resume_device() have to be called > from driver code. Yes. That's the limitation. The easiest way is to fix the freq/volt at device driver. Unless devfreq manages struct device directly at subsystem, it won't be easy to manage device's suspend/resume directly. MyungJoo -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html