[PATCH 1/2] ARM: irq: Call irqchit_init if no init_irq function is specified

[Russell King - ARM Linux]

On Thu, Mar 28, 2013 at 09:48:18AM -0500, Rob Herring wrote:
> On 03/28/2013 04:41 AM, Maxime Ripard wrote:
> > +	if (machine_desc->init_irq)
> > +		machine_desc->init_irq();
> > +	else
> > +		irqchip_init();
> 
> There needs to be an empty version defined for !OF.

Better:

#ifdef CONFIG_OF
	if (!machine_desc->init_irq)
		irqchip_init();
	else
#endif
		machine_desc->init_irq();

which means we don't even get the test if !OF, and if someone mistakenly
sets this to NULL for a !OF platform, they get to know about it.