linux-kernel - Re: [PATCH] PCI: Move prototypes for EXPORT_SYMBOL functions to include/linux/pci.h

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Date:	Fri, 13 Jul 2007 00:55:39 -0500
From:	Kumar Gala <galak@...nel.crashing.org>
To:	Greg KH <greg@...ah.com>
Cc:	linux-pci@...ey.karlin.mff.cuni.cz, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PCI: Move prototypes for EXPORT_SYMBOL functions to include/linux/pci.h


On Jul 13, 2007, at 12:33 AM, Greg KH wrote:

> On Fri, Jul 13, 2007 at 12:16:29AM -0500, Kumar Gala wrote:
>> pci_do_scan_bus() and pci_bus_find_capability() are marked  
>> EXPORT_SYMBOL
>> and thus usable outside of the PCI drive core itself.  Make the  
>> prototypes
>> for these functions accessible to everyone.
>
> Well, no, I'd like to only have the pci hotplug drivers use them if
> possible.  So until we have proper namespaces on the exported symbols,
> I'd really like to keep these as-is if possible.
>
> Or are you needing these symbols for some code outside of the
> drivers/pci/ directory tree?

I need pci_bus_find_capability() in arch/powerpc pci code.

I'm using it as a way to tell if we are a PCIe PHB.

- k
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