On Wed, Mar 18, 2015 at 2:21 PM, Kishon Vijay Abraham I <kis...@ti.com> wrote: >[Me] >> Specify exactly what stuff may happen after the reboot notifier. > > okay, it's assumed the device may be used (active) till the shutdown handler > of that particular device is called. > > In this particular case we are restoring the initial line state of all pcf > lines even though we don't know if the devices connected to it are still > being active, which might cause a contention as explained by NM [1]
OK I understand this, just that I want to know if it is a practical problem, i.e. do you run into it? Does the system lock up? > If the reboot notifier gets invoked after the shutdown handler then we could > be sure that restoring the initial line state of the pcf lines wouldn't > affect the devices connected to it. OK so does it? ftrace is your friend. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html