[PATCH 6/8] arm: mach-armada: add support for Armada XP board with device tree
ben.dooks at codethink.co.uk
Tue May 15 11:59:08 EDT 2012
On 15/05/12 16:41, Russell King - ARM Linux wrote:
> On Tue, May 15, 2012 at 04:07:59PM +0100, Ben Dooks wrote:
>> I think it was because that PCI was initialised early and requires a
>> large mapping space. It is very likely to be legacy kernel stuff that
>> people have kept copying through.
> No. PCI needs nothing other than access to the configuration space, and
> the PCI IO window. There has _never_ been any hard requirement to map
> PCI memory in map_io() because that is _always_ done by drivers calling
What about inb, outb and their related functions?
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius
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