Request_irq fails for IRQ2

[Benjamin Herrenschmidt]

On Tue, 2011-10-04 at 11:21 +0000, smitha.vanga at wipro.com wrote:
> Hi Scott,
> 
> I am able to register the IRQ now once I add the call irq_set_default_host in cpm2_pic.

This is a band-aid at best and will probably not be accepted upstream.

You should -really- describe your interrupt in the device-tree instead.

Ben.


> But when I call enable_irq the code throws the below warning and gives exception in enable irq at 
> spin_unlock_irqrestore(&desc->lock, flags); in enable_irq.
> 
> 
> printk(KERN_WARNING "Unbalanced enable for IRQ %d\n", irq);
> 
> Regards,
> Smitha
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