From mboxrd@z Thu Jan  1 00:00:00 1970
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH v4] pm_ops: add system quiesce/activate hooks
Date: Sat, 14 Apr 2007 08:23:25 +1000
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> 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.