RE: [RFC] countdown timer driver

From: Heater, Daniel (IndSys, GEFanuc, VMIC) (
Date: Tue Dec 10 2002 - 12:17:16 EST

> > Questions:
> > 1. Is there already a standard kernel interface to this
> type of timer?
> The Posix high-res timer stuff, I think. Have you tried expressing
> what you want user programs to do in terms of Posix high-res
> timers yet?
> > 2. Is there any reason to interface/integrate this type of
> device with the
> > high-res timer stuff currently under development for the
> 2.5 kernel?
> Yes; perhaps you could create a service provider interface
> for the posix high-res timer stuff, then use that SPI
> to plug your hardware in?
> I may be way off base here, but it does seem like it's due dilligence
> to verify that you're not reinventing an interface here.

Yes, the first intent of this request is to see if there is a suitable
interface already available.

I will follow up about the service provider interface on the high-res timer

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