On Sun, 24 Jun 2007 20:19:18 -0700
Auke Kok <auke-jan.h.kok@intel.com> wrote:

quoted text
> Currently there are 97 occurrences where drivers need the pci
> revision ID. We can do this once for all devices. Even the pci
> subsystem needs the revision several times for quirks. The extra
> u8 member pads out nicely in the pci_dev struct.
> 
> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>

Seems worth caching yes. Care needed changing the other uses however
that the revision isn't changeable on the hardware in some magic fashion.

Acked-by: Alan Cox <alan@redhat.com>
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