[PATCH 1/2] Only call ppc_md.setup_arch() if it is provided.

[Kumar Gala]

On Oct 8, 2007, at 3:37 PM, Grant Likely wrote:

> From: Grant Likely <grant.likely at secretlab.ca>
>
> This allows platforms which don't have anything to do at setup_arch  
> time
> (like a bunch of the 4xx platforms) to eliminate an empty  
> setup_arch hook.
>
> Signed-off-by: Grant Likely <grant.likely at secretlab.ca>
> ---

Can you add a comment to include/asm-powerpc/machdep.h to state that  
setup_arch() /* Optional, may be NULL */

We're a bit inconsistent here but would be good to make changes be  
correct.

- k