Would setting the CONFIG_RTC option break the powerpc kernel on your machine ?
erbenson at alaska.net
Wed Jan 7 18:51:51 EST 2004
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;
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.
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