[parisc-linux] FB cleanups

Jes Sorensen jes@linuxcare.com
12 Apr 2001 00:56:01 +0200


>>>>> "Matthew" == Matthew Wilcox <matthew@wil.cx> writes:

Matthew> On Wed, Apr 11, 2001 at 10:43:52PM +0200, Jes Sorensen wrote:
>> Point is that readb/writeb are *only* defined for PCI and PCI
>> look-alike devices, even for ISA you're supposed to use
>> isa_readb/isa_writeb

Matthew> No, you're wrong.  isa_* are due to go away in 2.5.  After
Matthew> you've called ioremap(), you can call readb/writeb on the
Matthew> returned address.  You might want to refer to
Matthew> Documentation/IO-mapping.txt and/or
Matthew> Documentation/DocBook/deviceiobook.* (only in Alan's tree
Matthew> right now).

Then Linus changed his mind. You are still *only* supposed to use
readb/writeb on PCI (and possible ISA) on PCI like devices.

Jes