linux-kernel - Re: [PATCH] ARM: Gemini: Add support for PCI Bus

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Message-ID: <alpine.LNX.2.00.1011290912270.10937@localhost.localdomain>
Date:	Mon, 29 Nov 2010 09:12:51 +0100 (CET)
From:	Hans Ulli Kroll <ulli.kroll@...glemail.com>
To:	Arnd Bergmann <arnd@...db.de>
cc:	linux-arm-kernel@...ts.infradead.org,
	Michał Mirosław <mirqus@...il.com>,
	Hans Ulli Kroll <ulli.kroll@...glemail.com>,
	Russell King <linux@....linux.org.uk>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: Gemini: Add support for PCI Bus



On Sat, 27 Nov 2010, Arnd Bergmann wrote:

> On Saturday 27 November 2010 14:01:20 Michał Mirosław wrote:
> > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> > index db524e7..74ea522 100644
> > --- a/arch/arm/Kconfig
> > +++ b/arch/arm/Kconfig
> > @@ -1164,7 +1164,7 @@ config ISA_DMA_API
> >         bool
> > 
> >  config PCI
> > -       bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB ||
> > ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE || ARCH_CNS3XXX
> > +       bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB ||
> > ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE || ARCH_CNS3XXX ||
> > ARCH_GEMINI
> >         help
> >           Find out whether you have a PCI motherboard. PCI is the name of a
> >           bus system, i.e. the way the CPU talks to the other stuff inside
> > 
> 
> This approach really does not scale as we add more boards to the list.
> 
> Better make a new CONFIG_HAVE_PCI option that you can select from the
> individual boards, and make that the only dependency that CONFIG_PCI has.
> 
> 	Arnd
> 
Good idea.
I write a patch for this.

Ulli