linux-kernel - Re: [PATCH] x86: CPU detection for RDC System-on-Chip

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Message-Id: <201005171339.48936.florian@openwrt.org>
Date:	Mon, 17 May 2010 13:39:48 +0200
From:	Florian Fainelli <florian@...nwrt.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	mingo@...e.hu, "linux-kernel" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86: CPU detection for RDC System-on-Chip

On Monday 17 May 2010 13:23:58 Andi Kleen wrote:
> > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> > index 39e8e10..21b02f2 100644
> > --- a/arch/x86/Kconfig
> > +++ b/arch/x86/Kconfig
> > @@ -419,6 +419,7 @@ config X86_RDC321X
> > 
> >  	bool "RDC R-321x SoC"
> >  	depends on X86_32
> >  	depends on X86_EXTENDED_PLATFORM
> > 
> > +	select PCI
> 
> If you don't actually need PCI in your SOC then you could easily
> remove that dependency with some minor work. Early PCI really is quite
> independent from the other code and can be just used on its own.

We actually do need PCI for the Ethernet MAC to work as well as the 
southbridge driver.

> 
> The only thing that would need sorting out is the command line
> interface for early_pci_enabled()
> 
> -Andi
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