[PATCH v3 2/4] Implement generic time of day clocksource for powerpc machines.

[Thomas Gleixner]

On Wed, 3 Oct 2007, Paul Mackerras wrote:

> Tony Breeds writes:
> 
> > @@ -982,6 +906,10 @@ void __init time_init(void)
> >  
> >  	write_sequnlock_irqrestore(&xtime_lock, flags);
> >  
> > +	/* Register the clocksource, if we're not running on iSeries */
> > +	if (!firmware_has_feature(FW_FEATURE_ISERIES))
> > +		clocksource_init();
> 
> This breaks the 32-bit compile.
> 
> Is it possible to adjust the frequency of a clocksource after it has
> been registered?  Or could the timebase clocksource be unregistered
> and reregistered in iSeries_tb_recal?

There is no unregister interface right now. But we need some mechanism to 
tell the core code that you changed it. I have a look if John does not 
beat me.

	tglx