ARM: GIC: provide a single initialization function for boot CPU

Provide gic_init() which initializes the GIC distributor and current
CPU's GIC interface for the boot (or single) CPU.

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 9 insertions, 2 deletions

diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index e6388dcd8cfa..8eab2f34a7fa 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -213,8 +213,8 @@ void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq)
         set_irq_chained_handler(irq, gic_handle_cascade_irq);
 }
 
-void __init gic_dist_init(unsigned int gic_nr, void __iomem *base,
-                          unsigned int irq_start)
+static void __init gic_dist_init(unsigned int gic_nr, void __iomem *base,
+        unsigned int irq_start)
 {
         unsigned int gic_irqs, irq_limit, i;
         u32 cpumask = 1 << smp_processor_id();
@@ -314,6 +314,13 @@ void __cpuinit gic_cpu_init(unsigned int gic_nr, void __iomem *base)
         writel(1, base + GIC_CPU_CTRL);
 }
 
+void __init gic_init(unsigned int gic_nr, unsigned int irq_start,
+        void __iomem *dist_base, void __iomem *cpu_base)
+{
+        gic_dist_init(gic_nr, dist_base, irq_start);
+        gic_cpu_init(gic_nr, cpu_base);
+}
+
 #ifdef CONFIG_SMP
 void gic_raise_softirq(const struct cpumask *mask, unsigned int irq)
 {