Re: [PATCH] Cleanup for plat_irq_dispatch functions

On Mon, 19 Mar 2007, Ralf Baechle wrote:

Now, I think spurious_interrupt should be deleted, it delivers not too
much useful data and even the reasoning for adding it back in the dark
ages was fairly weak ...

 It is useful for debugging -- if you get more than a few such events in a 
long time, then you need to debug your driver to make sure the interrupt 
request is removed soon enough for not being redelivered when the handler 
exits.  The problem is hard to notice otherwise.

  Maciej