Subject: Re: [PATCH] add pci revision id to struct pci_dev
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Conke Hu <conke.hu@gmail.com>
Cc: linux-kernel@vger.kernel.org
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Date: Mon, 06 Nov 2006 14:31:52 +0000
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Ar Llu, 2006-11-06 am 07:10 -0700, ysgrifennodd Conke Hu:
> > You can read the revision any time you like, we don't need to cache a
> > copy as we don't reference it very often
> I've searched the kernel soruce code and it seems that the revision id
> is widely used in pci drivers.

It is not however regularly and continually accessed - it doesn't need
caching.

Alan

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