Re: [PATCHv2 09/11] unicore32 core architecture: timer and time handling

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On Tuesday 22 February 2011, Guan Xuetao wrote:
> > > +#if defined(CONFIG_PUV3_DB0913)                \
> > > +       || defined(CONFIG_PUV3_NB0916)  \
> > > +       || defined(CONFIG_PUV3_SMW0919)
> > > +
> > > +#define  CLOCK_TICK_RATE         (14318000)
> > > +
> > > +#endif
> > 
> > I believe that we don't use CLOCK_TICK_RATE in the kernel any more,
> > so there is no reason to define it.
> CLOCK_TICK_RATE is an important value for the kernel.
> And perhaps I misunderstanding your meaning...

We just discussed the same thing for a new ARM platform. You are
right that CLOCK_TICK_RATE is currently still being used, but
we are trying to get rid of it.

Most importantly, it should not be configuration specific any more.
If you use CLOCK_TICK_RATE in unicore32 specific code, it would
be best to rename that variable and device it in a board specific
file.

The definition in timex.h can basically contain any value that is
a multiple of CONFIG_HZ. Don't worry about this one, we will fix
it for good for the entire kernel.

	Arnd
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