linux-kernel - Re: pci.h stubs (was: EDD build error)

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Message-ID: <20070627145500.2e66fd49@the-village.bc.nu>
Date:	Wed, 27 Jun 2007 14:55:00 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Matthew Wilcox <matthew@....cx>
Cc:	Matt Domsch <Matt_Domsch@...l.com>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	lkml <linux-kernel@...r.kernel.org>, gregkh@...e.de,
	linux-pci@...ey.karlin.mff.cuni.cz
Subject: Re: pci.h stubs (was: EDD build error)

On Wed, 27 Jun 2007 05:30:48 -0600
Matthew Wilcox <matthew@....cx> wrote:

> On Tue, Jun 26, 2007 at 09:45:05PM -0500, Matt Domsch wrote:
> > On Tue, Jun 26, 2007 at 01:26:22PM -0700, Randy Dunlap wrote:
> > > ERROR: "pci_get_bus_and_slot" [drivers/firmware/edd.ko] undefined!
> > 
> > It should be stubbed, in include/linux/pci.h where all the other PCI
> > functions are stubbed for the !CONFIG_PCI case.
> 
> pci_get_bus_and_slot() shouldn't be used because it fails to work on
> systems with multiple domains.  pci_get_slot() avoids this problem (and
> is much faster too).

But requires you have a bus pointer to hand which is often not the
case. Do we need pci_get_domain_bus_and_slot() ?

Alan
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