RFC: book3e: DCR MMIO for IBM Blue Gene/Q

[Benjamin Herrenschmidt]

On Mon, 2012-11-05 at 09:25 -0600, Jimi Xenidis wrote:
> So Axon, being 64-bit, would break with the changes proposed, since it
> is 64-bit bit and assumes 32bit accessors.
> I'll simply add 64bit accessors for now.

Well, either that, or you add a "64-bit" property to the DCR controller
node. IE. you keep the API "unsigned long" but whether it uses 32 or
64-bit accessors depends on that property.

Cheers,
Ben.