From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Tue, 14 Oct 2008 16:43:12 -0700 (PDT)
> The proper way to test for whether an interrupt is valid or not is to do
>
> if (dev->irq) {
> ...
>
> and no other. There is no spoon. That NO_IRQ was insane. And architectures
> or drivers that still think otherwise should fix themselves.
Agreed. Someone tried to add something similar to the network
driver phylib layer, and I told them similarly.
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