Re: PCI Device Enumeration

Hi Martin,

I don't wanna burst bubbles here, but, I would be more interested
to see a PCI device driver written. Even the simplest one would
do...How they get initialized sorta seems maybe secondary to the Meat
of the matter :).

-Shawn

On 4/27/07, M Bealby <[email protected]> wrote:
>
> Hey all,
>
> I've been thinking about device drivers (again) and I'm wondering what
> thoughts
> people have on PCI device enumeration?
>
> Devices are identified through two identifiers (vendor ID, device ID)
> supplied
> from each card to the PCI controller.  Movitz can already read these
> identifiers (see scan-pci-bus).
>
> As far as I can see, there are two approaches we can take here.  We either
> have
> each driver read all the PCI identifiers and initialize devices upon a
> match,
> or we have a 'driver loader' which will parse the pci identifiers once and
> load
> the relevant drivers.  Personally I'm tending towards the latter, but I
> would
> welcome anyones thoughts.
>
> Martin
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