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

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Message-Id: <1198451202.6686.28.camel@pasglop>
Date:	Mon, 24 Dec 2007 10:06:42 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Martin Mares <mj@....cz>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jeff Garzik <jeff@...zik.org>,
	Arjan van de Ven <arjan@...radead.org>,
	linux-kernel@...r.kernel.org, gregkh@...e.de,
	linux-pci@...ey.karlin.mff.cuni.cz
Subject: Re: [patch] Make MMCONFIG space (extended PCI config space) a
	driver opt-in issue


On Sun, 2007-12-23 at 22:15 +0100, Martin Mares wrote:
> Hello!
> 
> >  - During that probe, you set a flag if any device has capabilities that
> > extend beyond 0xff.
> 
> Can this work?  The extended capabilities are not linked to the normal
> ones in any way.

Yeah, well, you set a flag if you have extended capabilities. I don't
have my spec at hand (or the code) but can't we know if there are any
based on some non-ext field ?

Ben.


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