linux-kernel - Re: [2.6.18-git] Lost all PCI devices

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Message-ID: <20060930202240.GA15952@dreamland.darkstar.lan>
Date:	Sat, 30 Sep 2006 22:22:40 +0200
From:	Luca Tettamanti <kronos.it@...il.com>
To:	Andi Kleen <ak@...e.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [2.6.18-git] Lost all PCI devices

Il Sat, Sep 30, 2006 at 08:11:13PM +0200, Andi Kleen ha scritto: 
> On Saturday 30 September 2006 19:42, Luca Tettamanti wrote:
> > Hi Andi,
> > I'm testing current git on my notebook, but kernel doesn't find any
> > PCI device: no video card, no IDE, nothing.
> 
> Can you test it with this patch please?

Works fine, I can boot with it. Thank you!

> Fix PCI BIOS config space access
> 
> Got broken by a earlier change.
> 
> Signed-off-by: Andi Kleen <ak@...e.de>
> 
> Index: linux/arch/i386/pci/direct.c
> ===================================================================
> --- linux.orig/arch/i386/pci/direct.c
> +++ linux/arch/i386/pci/direct.c
> @@ -256,6 +256,8 @@ static int __init pci_check_type2(void)
>  
>  void __init pci_direct_init(int type)
>  {
> +	if (type == 0)
> +		return;
>  	printk(KERN_INFO "PCI: Using configuration type %d\n", type);
>  	if (type == 1)
>  		raw_pci_ops = &pci_direct_conf1;
> Index: linux/arch/i386/pci/init.c
> ===================================================================
> --- linux.orig/arch/i386/pci/init.c
> +++ linux/arch/i386/pci/init.c
> @@ -28,6 +28,10 @@ static __init int pci_access_init(void)
>  #ifdef CONFIG_PCI_DIRECT
>  	pci_direct_init(type);
>  #endif
> +	if (!raw_pci_ops)
> +		printk(KERN_ERR 
> +		"PCI: Fatal: No config space access function found\n");
> +
>  	return 0;
>  }
>  arch_initcall(pci_access_init);


Luca
-- 
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