irqchip/gic: Get rid of gic_init_bases()

Since nobody is using gic_init_bases anymore outside of the GIC
driver itself, let's do a bit of housekeeping and remove the now
useless entry point.

Only gic_init() is now exposed to the rest of the kernel for the
benefit of legacy systems.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-and-tested-by: Hanjun Guo <hanjun.guo@linaro.org>
Tested-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: Tomasz Nowicki <tomasz.nowicki@linaro.org>
Cc: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Cc: Graeme Gregory <graeme@xora.org.uk>
Cc: Jake Oshins <jakeo@microsoft.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Link: http://lkml.kernel.org/r/1444737105-31573-12-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

drivers/irqchip/irq-gic.c

@@ -1127,17 +1127,15 @@ static void __init __gic_init_bases(unsigned int gic_nr, int irq_start,
 	gic_pm_init(gic);
 }
 
-void __init gic_init_bases(unsigned int gic_nr, int irq_start,
-			   void __iomem *dist_base, void __iomem *cpu_base,
-			   u32 percpu_offset, struct device_node *node)
+void __init gic_init(unsigned int gic_nr, int irq_start,
+		     void __iomem *dist_base, void __iomem *cpu_base)
 {
 	/*
 	 * Non-DT/ACPI systems won't run a hypervisor, so let's not
 	 * bother with these...
 	 */
 	static_key_slow_dec(&supports_deactivate);
-	__gic_init_bases(gic_nr, irq_start, dist_base, cpu_base,
-			 percpu_offset, node);
+	__gic_init_bases(gic_nr, irq_start, dist_base, cpu_base, 0, NULL);
 }
 
 #ifdef CONFIG_OF

include/linux/irqchip/arm-gic.h

@@ -100,16 +100,11 @@
 
 struct device_node;
 
-void gic_init_bases(unsigned int, int, void __iomem *, void __iomem *,
-		    u32 offset, struct device_node *);
 void gic_cascade_irq(unsigned int gic_nr, unsigned int irq);
 int gic_cpu_if_down(unsigned int gic_nr);
 
-static inline void gic_init(unsigned int nr, int start,
-			    void __iomem *dist , void __iomem *cpu)
-{
-	gic_init_bases(nr, start, dist, cpu, 0, NULL);
-}
+void gic_init(unsigned int nr, int start,
+	      void __iomem *dist , void __iomem *cpu);
 
 int gicv2m_of_init(struct device_node *node, struct irq_domain *parent);