Re: [PATCH] isa_{read,write}{w,l} fixed

Jeff Garzik (jgarzik@mandrakesoft.com)
Fri, 11 Feb 2000 20:27:24 -0500

Martin Mares wrote:
>
> Hello!
>
> > Using isa_xxx during init code is not a good idea because it encourages
> > assumptions which are not portable. isa_xxx just happens to work with
> > 32-bit PCI memory, for example, but (IIRC) it will not work on anywhere
> > but x86.
>
> isa_xxx functions should be available on all platforms supporting ISA,
> they are not i386 specific.

I meant that the x86-specific properties of isa_xxx was sometimes taken
advantage of, and this we should not encourage. like using isa_xxx to
address PCI MMIO regions (to avoid converting code fully to
ioremap/writeb), etc.

Jeff

-- 
Jeff Garzik         | "Vegetarian" is the Indian word
Building 1024       | for 'lousy hunter.'
MandrakeSoft, Inc.  |


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