[PATCH 4/4] Add irq debugfs and virq_mapping for getting the virq to irq host's hwirq mapping list.

[Benjamin Herrenschmidt]

On Wed, 2007-03-21 at 15:17 +0100, Segher Boessenkool wrote:
> >> This patch adds 'irq' directory into the root debugfs and 
> >> virq_mapping for getting the virq to
> >> irq host's hwirq mapping list.
> >
> > Minor nit. Should we be creating a 'powerpc' directory first, and
> > putting the 'irq' file under that? Otherwise we risk clashing with some
> > generic code that creates a file called 'irq' in debugfs.
> 
> Or put the whole IRQ tree under sysfs generically...

Except that there is no such thing as an IRQ tree in the generic code...

Ben.