Re: IRQ 255?

Bernhard Rosenkraenzer (linux@bero-online.ml.org)
Tue, 27 Jan 1998 23:48:40 +0100 (CET)


On Tue, 27 Jan 1998, Robert L Harris wrote:

> Bus 0, device 2, function 0:
> VGA compatible controller: Cirrus Logic GD 7548 (rev 0).
> Fast devsel. IRQ 255.
>
> Note that the video device is on IRQ 255. Is this possibly a bug somewhere?

IRQ 255 doesn't exist, but it looks like a (unsigned char) -1.
My guess is that your VGA card doesn't use an IRQ, and IRQ 255 is the PCI
driver's way to display this.

LLaP
bero

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