Re: Help with rtc to hpet conversion of OSGPS driver

[Rick Niles]

Maybe I'm way off here, but that seems to be the function to register a 
RTC hardware chip with the kernel.  I want to use a real-time clock 
interrupt to wake up my driver and service the GPS correlator, about 
every 500ms.  Please let me know if I'm misunderstanding.

Jan Engelhardt wrote:
> On Oct 11 2007 08:01, Rick Niles wrote:
>   
> > I've been trying to make the driver work with
> > Fedora 7 and the 2.6.22 kernel, but the rtc_register() and other RTC functions
> > seems to have been removed.
> >     
>
> grep -r rtc_device_register drivers/rtc/
>
> Does that help?
>
>   
> > I see they've been replaced by the corresponding
> > HPET functions, which is great. However, hpet_register() always returns -16
> > (EBUSY).  This could be because I lack the correct hardware (I'm running 32-bit
> > Linux on a Athlon64 with an NVIDIA chipset) or some other reason.
> >     

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