[PATCH] fix prom_init undefined error

[Geoff Levand]

Benjamin Herrenschmidt wrote:
> On Tue, 2006-02-07 at 15:10 -0800, Geoff Levand wrote:
> 
>>Paul,
>>
>>This patch fixes a build error when CONFIG_PPC_OF=n,
>>CONFIG_PPC_MULTIPLATFORM=y.  It makes the conditionals
>>consistent in arch/powerpc/kernel/Makefile and head_64.S
>>to both be on CONFIG_PPC_OF.
>>
>>  arch/powerpc/kernel/head_64.o: In function `.__boot_from_prom':
>>  linux/arch/powerpc/kernel/head_64.S:(.text+0x8158): undefined
> 
> reference to `.prom_init'
> 
>>obj-$(CONFIG_PPC_OF) += prom_init.o
> 
> 
> With ARCH=powerpc, CONFIG_PPC_OF should always be set. It's supposed to
> be set when the device-tree accessors exist which they always do.

OK, that makes things clear.  

> Besides, I'll be removing support for !MULTIPLATFORM too :) (Except for
> iSeries at least for a little while). Look at the patch I posted that
> removes _machine for an idea of where things are going. 

I'll try and rework things when you get rid of MULTIPLATFORM.  When can 
we expect it?

-Geoff