ARM: GIC: move enablement of PPI interrupts to gic.c

Avoid adding nasty genirq-specific code to local timers to enable PPI
interrupts.  Instead, provide a gic function to do this.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/common/gic.c

@@ -331,6 +331,16 @@ void __cpuinit gic_secondary_init(unsigned int gic_nr)
 	gic_cpu_init(&gic_data[gic_nr]);
 }
 
+void __cpuinit gic_enable_ppi(unsigned int irq)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+	irq_to_desc(irq)->status |= IRQ_NOPROBE;
+	gic_unmask_irq(irq);
+	local_irq_restore(flags);
+}
+
 #ifdef CONFIG_SMP
 void gic_raise_softirq(const struct cpumask *mask, unsigned int irq)
 {