[PATCH 1/7] ARM: irq: introduce entry and exit functions for chained handlers

[will.deacon@arm.com (Will Deacon)]

> > > That wants a comment that these functions are only dealing with
> > > fasteoi and level type flow control.
> > >
> > > Otherwise fine with me. Feel free to add my Acked-by.
> >
> > Thanks Thomas, reworded as followed:
> >
> >     ARM: irq: introduce entry and exit functions for chained handlers
> >
> >     Some chained IRQ handlers are written to cope with primary chips of
> >     potentially different flow types. Whether this a sensible thing to do
> >     is a point of contention.
> >
> >     This patch introduces entry/exit functions for chained handlers which
> >     infer the flow type of the primary chip as fasteoi or level-type by
> >     checking whether or not the ->irq_eoi function pointer is present and
> >     calling back to the primary chip as necessary. Other methods of flow
> >     control are not considered.
> >
> > I'll add your Ack and put this (patch 1) in Russell's patch system next
> > week.
> 
> Having it in the changelog is nice, but the code itself would like a
> comment as well.

Rightio, submitted to Russell's patch system with code comment as 6806/1.

Thanks,

Will