disable 64-bit dma for one PCI slot only?

[Kostik Belousov]

On Wed, Jul 20, 2011 at 11:54:06AM +0200, Stefan Esser wrote:
> The "Rev" column is required for of devices that are not uniquely
> identified by their Vnd/Dev-IDs. (These used to exist, e.g. the Symbios
> SCSI controllers, though I'm not aware of any device that needed a
> different driver depending on the PCI revision number.)
Might be there is indeed no such device which require different driver
due to revision, but there are definitely devices that require different
workarounds in the driver based on revision. Seeing the revision in the
output of pciconf very much helps to reduce the mail turnaround when
analyzing user reports.
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