linux-kernel - Re: [PATCH] OLPC: pci: fix up PCI stuff so that PCI

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Date:	Thu, 5 Jun 2008 13:34:32 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Andres Salomon <dilinger@...ued.net>, linux-kernel@...r.kernel.org,
	mingo@...hat.com, hpa@...or.com, tglx@...utronix.de,
	rmh@...abtu.com
Subject: Re: [PATCH] OLPC: pci: fix up PCI stuff so that PCI_GOANY supports OLPC

On Thursday, June 05, 2008 12:42 pm Andrew Morton wrote:
> On Thu, 5 Jun 2008 15:29:14 -0400
>
> Andres Salomon <dilinger@...ued.net> wrote:
> > Previously, one would have to specifically choose CONFIG_OLPC and
> > CONFIG_PCI_GOOLPC in order to enable PCI_OLPC.  That doesn't really
> > work for distro kernels, so this patch allows one to choose
> > CONFIG_OLPC and CONFIG_PCI_GOANY in order to build in OLPC support in
> > a generic kernel (as requested by Robert Millan).
> >
> > This also moves GOOLPC before GOANY in the menuconfig list.
> >
> > Finally, make pci_access_init return early if we detect OLPC hardware.
> > There's no need to continue probing stuff, and pci_pcbios_init
> > specifically trashes our settings (we didn't run into that before
> > because PCI_GOANY wasn't supported).
> >
> > It would be great if we could sneak this in for 2.6.26..  *cough*  :)
>
> It looks harmless enough.
>
> > ---
> >  arch/x86/Kconfig    |   11 +++++------
> >  arch/x86/pci/init.c |    3 ++-
> >  arch/x86/pci/olpc.c |    5 +++--
> >  arch/x86/pci/pci.h  |    2 +-
>
> But I never know whether arch/x86/pci is a Jesse thing or an Ingo
> thing.  Usual answer: it's an everyone thing and we all make a big mess ;)

Heh, yeah I've been taking quite a few x86 PCI patches (Ingo actually has a 
queue of them for me now), so I can pick this one up and put it in what I 
hope will be my final 2.6.26 pull request.

Jesse
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