Clock register in early init

[pdeschrijver@nvidia.com (Peter De Schrijver)]

> We had at-least that on the older Samsung parts and they where still
> growing. I would suggest that in a multi-kernel image situation the
> more data that can be discarded after init-time the better.
> 
> Also, __initdata gets gathered into one place so there's no possibility
> of page fragmentation there. If you mean fragmentation of the memory
> map, then allocate the size of all the clocks you know of at init time
> in one go.
> 

That would work, except that clocks are needed before kmalloc is available.

Cheers,

Peter.