[PATCH 3/4] powerpc/mpic: Move internal interrupt source vector allocation to a separate function.

[Benjamin Herrenschmidt]

On Wed, 2012-04-04 at 19:09 +0000, Sethi Varun-B16395 wrote:
> > I think that is more due to how you added the MPIC error interrupts
> and
> > issues w/that code.  If you are treating the MPIC error interrupts
> as a
> > cascade than they should have a distinct linux IRQ space from the
> > standard MPIC interrupts.  This is how the MSIs work (as an
> example).
> In case of error interrupts we are depending on the mpic_host_maps
> for mapping and interrupt specifier translations. There is no separate
> initialization as in case of MSIs. That's the reason I am treating
> error interrupts as mpic internal interrupt sources. 

It makes sense to have an allocator for MPIC vectors but it should be a
single allocator shared with the MSI code.

Cheers,
Ben.