Re: [PATCH] fix ppc ioremap prototype

Geert Uytterhoeven
2003-09-04T12:23:50Z

On Thu, 4 Sep 2003, Paul Mackerras wrote:
> > Paul, what does actually use this higher addresses?
>
> We have drivers for on-chip peripherals that work from a struct
> ocp_device and call ioremap on the ocp_dev->paddr value, which is a
> phys_addr_t (although some of them use __ioremap instead). These
> drivers are used on 405-based systems (with 32-bit phys_addr_t) as
> well as on 440-based systems.
>
> These drivers are in the linuxppc-2.{4,5} trees but most of them
> haven't made it into the official trees yet. They could all be
> audited and converted to use __ioremap, although it seems a bit
> arbitrary to say that you can't use ioremap in a an ocp driver if
> you're going to use it on a 440. I wouldn't expect it to be

`ioremap is meant for PCI memory space only'

Oops...

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

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