Re: RTC_PIE possible using via-pmu?
On Tue, 2005-03-29 at 13:17 +0100, Martin Habets wrote:
> RTC_IRQP_SET sets the periodic interrupt rate.
> RTC_PIE_ON turns on periodic interrupts.
> RTC_PIE_OFF turns off periodic interrupts.
>
> There are similar ioctls for setting alarms, but I don't see those
> used very often.
>
> I've pasted the relevant part of my dmesg below. It seems the OpenPIC
> timer frequency will limit the usability of above iotctls to 4.16MHz.
> Is that right?
Oh, those periodic interrupt things are features of x86 RTC chips, they
aren't available on other architectures, at least not all of them,
definitely not on pmac.
Why not just normal timers ?
Ben.
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