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Re: Would setting the CONFIG_RTC option break the powerpc kernel on your machine ?



On Wed, Jan 07, 2004 at 06:22:25PM +1100, Benjamin Herrenschmidt wrote:
> 
> > BTW, i didn't manage to get the generic RTC code working on my pegasos,
> > and i am actually a bit pressed for time.
> >
> > Do you think a workaround, for the debian powerpc packages, would be to
> > add a test for the presence of a pmac in the CONFIG_RTC code, and abort
> > if one is found ?
> >
> > If so, what would be the best way to test for a pmac subarch in the
> > drivers/char/rtc.c code ?
> 
> will the kernel let you build both drivers in ?

yes, which will cause all powermacs to hang on bootup when hwclock is run.

> then you can do, in 2.4, something ugly like that:
> 
> #ifdef CONFIG_ALL_PPC
> if (_machine == _MACH_Pmac)
> 	return -ENODEV;
> #endif

which im betting will instead cause hwclock to fail on all powermacs
with: hwclock: /dev/rtc: No such device

but i could be missing something obvious with your suggestion.

-- 
Ethan Benson
http://www.alaska.net/~erbenson/

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