On Friday 13 April 2007 3:23 pm, Benjamin Herrenschmidt wrote: > > > We have "drivers" for few chips every PC has, like i8259 timer, > > interrupt controller, APIC, etc. Sysdevs and platform devices are > > designed for hardware like that. > > > > If you want to have a rule "platform device is not supposed to rely on > > timers still working", I think you can get that. Such low-level > > devices should really use udelay()/mdelay() that spins and does not > > need timer hw. > > That's nonsense. Agreed. Platform devices are the *primary* device types on most embedded systems. Their suspend() and resume() methods are allowed to use timers and sleep() just like they are with any other bus type. We do know that timers aren't available during the suspend_late() and resume_early() calls, for any bus type. _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
