Re: [PATCH 4/7] can/at91: don't check platform_get_irq's returnvalue against zero

[Alan Cox]

> +       if (!res || irq <= (int)NO_IRQ) {
> 
> but this looks too ugly.  (IMHO using NO_IRQ is already ugly.)

No IRQ was a private variable for the drivers/ide stack internally and
only present in any form on a few odd platforms where it got "borrowed"
and hasn't yet been eliminated

The absence of an IRQ is zero. A bus IRQ of zero is remapped by the OS.

Alan
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