Hi Arnd,
On Tue, 4 Jul 2006, Arnd Bergmann wrote:
> On Tuesday 04 July 2006 01:35, Matthew Wilcox wrote:
> > We don't (yet) have a CONFIG_MMIO. �If we were to have one, I would
> > expect it to be akin to SCSI_SYM53C8XX_MMIO, VIA_RHINE_MMIO,
> > SUNDANCE_MMIO and TULIP_MMIO. �ie indicating a preference between PIO
> > and MMIO rather than indicating the availability of MMIO.
>
> Hmm, maybe my terminology wasn't so good, at least you misunderstood
> what I wanted to express. PIO is more or less a 386ism, so I tend to
> view that as a special case of MMIO. The point with s390 is that there
> is neither PIO nor MMIO, which really makes it impossible to use most
> of the device drivers, even if you could connect the hardware ;-).
So why aren't readb() and friends in <asm/io.h> empty defines?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [EMAIL PROTECTED]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds