PPC32: Add support for the OpenPIC register set to be in BE mode.

[Anton Blanchard]

> > diff -Nru a/arch/ppc/kernel/open_pic.c b/arch/ppc/kernel/open_pic.c
> > --- a/arch/ppc/kernel/open_pic.c	Sat Jan  3 12:02:04 2004
> > +++ b/arch/ppc/kernel/open_pic.c	Sat Jan  3 12:02:04 2004
> > @@ -166,13 +166,21 @@
> >  {
> >  	u_int val;
> >
> > +#ifdef CONFIG_PPC_OPENPIC_BE
> > +	val = in_be32(addr);
> > +#else
> >  	val = in_le32(addr);
> > +#endif
> >  	return val;
> >  }
>
> Wouldn't it be better to #define openpic_in() and openpic_out() macros, so you
> need the #ifdef at one spot only?

Or grab the bit out of the ppc64 openpic code that detects this at runtime
and get rid of the CONFIG option completely :)

Anton

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