On Sat, Sep 30, 2006 at 10:26:22AM -0500, James Bottomley wrote:
> On Fri, 2006-09-29 at 23:50 +0000, Frederik Deweerdt wrote:
> > + if (!pdev->irq)
> > + return -ENODEV;
> > +
>
> Don't I remember that 0 is a valid IRQ on some platforms?
>
> i.e. shouldn't this be
>
> if (pdev->irq == NO_IRQ)
> return -ENODEV;
>
> ?
>
> I think this won't quite work because only the platforms that actually
> have a valid zero irq define it, but there must be something else that
> works.
Linus threw a hissy fit and declared that platforms which use 0 as a
valid IRQ are broken and wrong. Despite PCI using 255 to mean no IRQ
and 0 as a valid IRQ ;-)
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