Re: [PATCH] fix ppc ioremap prototype

David S. Miller
2003-09-04T07:27:47Z

On Thu, 4 Sep 2003 09:13:34 +0200
Christoph Hellwig <hch@lst.de> wrote:

> On Thu, Sep 04, 2003 at 10:33:57AM +1000, Paul Mackerras wrote:
> > I don't see why this is a problem. The change is compatible with the
> > existing uses. We need to be able to map 36-bit physical addresses on
> > 44x. What we really need now is 64-bit start/end values in struct
> > resource.
>
> Then add the phys_addr_t to all places where we deal with physical
> addresses, even if it's typedef'ed to unsigned long on all other
> arches and sane ppcs.

Or do what I do on sparc32, stick the >32bit part in the unused
bits of the resource flags. It works perfectly fine.