linux-kernel - Re: [Patch v2] Make PCI extended config space (MMCONFIG) a driver opt-in

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Date:	Thu, 27 Dec 2007 22:59:52 +0100
From:	Kai Ruhnau <kai@...getaschen.dyndns.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Loic Prylli <loic@...i.com>, Robert Hancock <hancockr@...w.ca>,
	Jeff Garzik <jeff@...zik.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	gregkh@...e.de, linux-pci <linux-pci@...ey.karlin.mff.cuni.cz>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Martin Mares <mj@....cz>, Matthew Wilcox <matthew@....cx>
Subject: Re: [Patch v2] Make PCI extended config space (MMCONFIG) a driver
 opt-in

Linus Torvalds wrote:
> On Thu, 27 Dec 2007, Loic Prylli wrote:
>   
>> Does the 0001 vendor-id still shows up if pci_enable_crs() has never
>> been called?
>>     
>
> I don't believe we have ever tried, but it would be very interesting to 
> hear. 
>
> Kai, can you try that? Just remove the call to pci_enable_crs() in 
> pci_scan_bridge() in drivers/pci/probe.c, and see if mmconfig starts 
> working for you?
>   

Removing the call to pci_enable_crs() indeed solved it. I got the right
vendor IDs.

Kai

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