irqchip/irq-omap-intc: Remove omap3_init_irq()

All mach-omap2 variants are device tree only now, so this function is dead
code. Remove it.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: linux-omap@vger.kernel.org
Cc: Jason Cooper <jason@lakedaemon.net>
Link: https://lkml.kernel.org/r/20171016160422.uu2i7vvrgy7cc4aw@lenoch

drivers/irqchip/irq-omap-intc.c

@@ -25,10 +25,6 @@
 
 #include <linux/irqchip/irq-omap-intc.h>
 
-/* Define these here for now until we drop all board-files */
-#define OMAP24XX_IC_BASE	0x480fe000
-#define OMAP34XX_IC_BASE	0x48200000
-
 /* selected INTC register offsets */
 
 #define INTC_REVISION		0x0000
@@ -364,14 +360,6 @@ omap_intc_handle_irq(struct pt_regs *regs)
 	handle_domain_irq(domain, irqnr, regs);
 }
 
-void __init omap3_init_irq(void)
-{
-	omap_nr_irqs = 96;
-	omap_nr_pending = 3;
-	omap_init_irq(OMAP34XX_IC_BASE, NULL);
-	set_handle_irq(omap_intc_handle_irq);
-}
-
 static int __init intc_of_init(struct device_node *node,
 			     struct device_node *parent)
 {

include/linux/irqchip/irq-omap-intc.h

@@ -18,8 +18,6 @@
 #ifndef __INCLUDE_LINUX_IRQCHIP_IRQ_OMAP_INTC_H
 #define __INCLUDE_LINUX_IRQCHIP_IRQ_OMAP_INTC_H
 
-void omap3_init_irq(void);
-
 int omap_irq_pending(void);
 void omap_intc_save_context(void);
 void omap_intc_restore_context(void);