On Mon, Sep 22, 2014 at 02:03:51PM +0100, Russell King - ARM Linux wrote:
> On Mon, Sep 22, 2014 at 11:59:39AM +0200, Wolfram Sang wrote:
> > IRQ_NONE is "this interrupt wasn't by me" so for shared IRQs, the next
> > handler can check.
> 
> Err, no it isn't.  IRQ_NONE has no such effect.  All handlers on a
> shared interrupt are always run irrespective of the return value from
> any particular interrupt handler.  See kernel/irq/handle.c.

/me picks the brown paper bag. I was sure I did. Need to update my
notes, it seems. Thanks for the heads up!

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