[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

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

On Tue, 2003-12-16 at 21:56, Sven Luther wrote:
> Hello,
> On my Pegasos/CHRP box, i noticed that not setting the CONFIG_RTC option
> in the Character device part of the configuration (not to be confused with
> the CONFIG_GENERIC_RTC and CONFIG_PPC_RTC options in the General setup
> part) will cause some strange delay when setting the hardware clock on
> my box, and i believe the clock will be badly set (have to check again
> to confirm though). Setting CONFIG_RTC will fix that, and furthermore,
> in the help of the CONFIG_RTC there is some mention of this option being
> needed for using the RTC clock in a SMP compatible fashion.

Hrm... that SMP thingy is weird. CONFIG_RTC shouldn't be used on
most PPCs. If GENERIC_RTC & PPC_RTC doesn't work properly, then we
need to fix the pegasos patch.

> So, i believe this option is needed for me, and probably also for the
> powerpc-smp config.
> But, since the powerpc configurations are common to many subarch, there
> is maybe a reason for not having this options set, and i would like to
> know if setting it per default in the powerpc and powerpc-smp
> configurations, but not in the powerpc-small one, is likely to break on
> some of the supported powerps subarches out there.

CONFIG_RTC will definitely break a pmac


Reply to: