Re: isa_read/write not available on ppc - solution suggestions ??

[Russell King]

On Tue, May 01, 2001 at 10:22:39AM -0700, Linus Torvalds wrote:
> I bet that the patch will be smaller too. It's a simple case of
>  - do the ioremap() _once_ at bootup, save the result in a static
>    variable somewhere.
>  - implement the (one-liner) isa_readx/isa_writex functions.
> 
> On many architectures you don't even need to do the ioremap, as it's
> always available (same as on x86).

Talking around this issue, is there any chance of getting the
official use of the first parameter to ioremap documented in
Documentation/IO-mapping.txt please?  There appears to be
confusion as to whether it is:

a) PCI bus address
b) CPU untranslated address

Currently, IO-mapping.txt seems to imply (a), but I believe that
a lot of people on lkml will disagree with that.

--
Russell King ([e-mail])                The developer of ARM Linux
             http://www.arm.linux.org.uk/personal/aboutme.html