Porting a custom interrupt handler from kernel 2.6.25 to 3.16.45

[Andrew Lunn]

On Thu, Jul 13, 2017 at 06:32:29PM +0200, Mircea Ciocan wrote:
> On Thu, Jul 13, 2017 at 6:06 PM, Andrew Lunn <andrew at lunn.ch> wrote:
> > On Thu, Jul 13, 2017 at 10:23:41AM +0200, Mircea Ciocan wrote:
> >> Hello everybody, I'm new to the intricacies of the ARM platform
> >> interrupt handling and I have to port a custom interrupt handler from
> >> 2.6.25 to 3.16.45.
> >
> > Hi Mircea
> >
> > Could you please take a step back and explain why you need a custom
> > interrupt handler.
> >
> >           Andrew
> 
> Hi Andrew, sure I can explain, or at least offer the original
> explanation of the long lost developer:
> The ARM core has a custom interrupt controller and a DSP co-processor
> that does some funny (read strange & abnormal) stuff.

Hi Mircea

How is this interrupt controller connected? Is it chained off another
interrupt controller? Or is it a root interrupt controller?

	  Andrew