[PATCH 10/14] cxl: Add support for interrupts on the Mellanox CX4

[Ian Munsie]

Excerpts from Frederic Barrat's message of 2016-07-06 20:41:42 +0200:
> I think we want:
>     if (WARN_ON(hwirq <= 0))
> cxl_find_afu_irq() returns 0 if doesn't find the irq, which is not 
> supposed to happen here.

Good catch - will fix in v2.

Cheers,
-Ian