Re: [PATCH] Fix compile failure on PA-RISC

[Linus Torvalds]

On Sat, May 5, 2012 at 11:53 AM, Mikulas Patocka <mpatocka@xxxxxxxxxx> wrote:
>
> What NO_IRQ problem do you mean? There is
> #define NO_IRQ          (-1)
> in arch/parisc/include/asm/irq.h.

That's the one he means.

Switching it to zero and testing that things still work would be appreciated.

Much code already knows that NO_IRQ is supposed to be zero, and
there's tons of drivers that just do the (correct!) "if (!dev->irq)"
kind of thing.

Any architecture that has a non-zero NO_IRQ is basically broken.
Always has been.

                    Linus
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