Re: device driver for the SGI system clock, mmtimer

[Jesse Barnes]

On Thursday, September 16, 2004 9:03 am, Bjorn Helgaas wrote:
> Christoph Lameter wrote:
> > The timer hardware was designed around the multimedia timer specification
> > by Intel but to my knowledge only SGI has implemented that standard. The
> > driver was written by Jesse Barnes.
>
> As far as I can see, drivers/char/hpet.c talks to the same hardware.
> HP sx1000 machines (and probably others) also implement the HPET.

No, it's different hardware.

> I think you should look at adding your functionality to hpet.c
> rather than adding a new driver.

I think Christoph already looked at that.  And HPET doesn't provide mmap 
functionality, does it?  I.e. allow a userspace program to dereference the 
counter register directly?

Jesse
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