Messages in this thread |  | | | From | Jesse Barnes <> | | Subject | Re: device driver for the SGI system clock, mmtimer | | Date | Thu, 16 Sep 2004 09:09:12 -0700 |
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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?
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