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From: Jes Sorensen <jes@linuxcare.com>
To: Matthew Wilcox <matthew@wil.cx>
Cc: parisc-linux@parisc-linux.org
Subject: Re: [parisc-linux] FB cleanups
Date: 12 Apr 2001 00:56:01 +0200	[thread overview]
Message-ID: <d3wv8rqc5a.fsf@lxplus015.cern.ch> (raw)
In-Reply-To: Matthew Wilcox's message of "Wed, 11 Apr 2001 23:51:04 +0100"

>>>>> "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

  reply	other threads:[~2001-04-11 22:56 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-04-11 20:13 [parisc-linux] FB cleanups Matthew Wilcox
2001-04-11 20:30 ` Jes Sorensen
2001-04-11 20:34   ` Matthew Wilcox
2001-04-11 20:43     ` Jes Sorensen
2001-04-11 22:51       ` Matthew Wilcox
2001-04-11 22:56         ` Jes Sorensen [this message]
2001-04-11 23:00           ` Alan Cox
2001-04-12 18:48             ` Jes Sorensen
2001-04-13  7:04             ` Grant Grundler
2001-04-13 12:52               ` Alan Cox
2001-04-13 17:52                 ` Grant Grundler
2001-04-13 18:13                   ` Alan Cox
2001-04-11 23:36           ` Matthew Wilcox
2001-04-13 16:48             ` Jes Sorensen
2001-04-13 18:11               ` Alan Cox
2001-04-17 18:04                 ` Jes Sorensen
2001-04-17 18:22                   ` Matthew Wilcox
2001-04-17 19:57                     ` Alan Cox
2001-04-13  7:02           ` Grant Grundler
2001-04-13 16:49             ` Jes Sorensen

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