arm: omap: irq: move some more code around

We want .init_irq to call set_irq_handle() for
legacy platforms. Note that this code will also
be dropped once omap2/3 devices are completely
moved to DT.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/irq.c

@@ -234,21 +234,6 @@ static void __init omap_init_irq(u32 base, int nr_irqs,
 		omap_alloc_gc(omap_irq_base + j, j + irq_base, 32);
 }
 
-void __init omap2_init_irq(void)
-{
-	omap_init_irq(OMAP24XX_IC_BASE, 96, NULL);
-}
-
-void __init omap3_init_irq(void)
-{
-	omap_init_irq(OMAP34XX_IC_BASE, 96, NULL);
-}
-
-void __init ti81xx_init_irq(void)
-{
-	omap_init_irq(OMAP34XX_IC_BASE, 128, NULL);
-}
-
 static inline void omap_intc_handle_irq(struct pt_regs *regs)
 {
 	u32 irqnr;
@@ -296,6 +281,21 @@ asmlinkage void __exception_irq_entry omap2_intc_handle_irq(struct pt_regs *regs
 	omap_intc_handle_irq(regs);
 }
 
+void __init omap2_init_irq(void)
+{
+	omap_init_irq(OMAP24XX_IC_BASE, 96, NULL);
+}
+
+void __init omap3_init_irq(void)
+{
+	omap_init_irq(OMAP34XX_IC_BASE, 96, NULL);
+}
+
+void __init ti81xx_init_irq(void)
+{
+	omap_init_irq(OMAP34XX_IC_BASE, 128, NULL);
+}
+
 static int __init intc_of_init(struct device_node *node,
 			     struct device_node *parent)
 {