On Nov 24, 2007 2:43 PM, David Woodhouse <[email protected]> wrote:
>
> On Fri, 2007-11-23 at 17:04 -0500, Robin Getz wrote:
> > It could be a runtime if() but we don't currently have the is_mach() all set
> > up properly today.
> >
> > This is because on most systems that Blackfin ships on - memory is the
> > dominate cost of the system, and end users don't want to take the either the
> > storage (flash) hit of having code they don't use, or the run time (DRAM)
> > overhead. They are fine with compiling 2 kernels for two platforms if it
> > means things are cheaper. :)
> >
> > That being said, we still need to go back, and add things properly - and just
> > let gcc optimise things away if it is not used - c code is more maintainable
> > than all the ifdefs we have today.
> >
> > This is the goal - it will just take a little bit to get there.
>
> For now I suspect you could at least define machine_is_bf52x() and
> machine_is_bf54x() which are hard-coded to either zero or one according
> to the configuration, and at least you wouldn't need to add ifdefs to
> drivers.
>
We got some plan to do this, but maybe cpu_is_bf52x() and
cpu_is_bf54x() are better.
Thanks.
-Bryan
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