Re: [PATCH v4] pm_ops: add system quiesce/activate hooks

Benjamin Herrenschmidt
2007-04-13T22:23:25Z

> 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.

Ben.