ARM: MARCO: fix the build issue due to gic-vic-to-irqchip move

Fix the issue:
tree:   git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc.git next/soc
head:   6ed05a2a
commit: af70fdc9 [4/8] Merge branch 'marco-timer-cleanup-rebase' of
git://gitorious.org/sirfprima2-kernel/sirfprima2-kernel into next/soc
config: make ARCH=arm prima2_defconfig

All error/warnings:

>> arch/arm/mach-prima2/platsmp.c:20:30: fatal error: asm/hardware/gic.h: No such file or directory
   compilation terminated.
--
>> arch/arm/mach-prima2/common.c:15:30: fatal error: asm/hardware/gic.h: No such file or directory
   compilation terminated.
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Cc: Xie ChanglongX <changlongx.xie@intel.com>
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/mach-prima2/common.c

@@ -8,11 +8,10 @@
 
 #include <linux/init.h>
 #include <linux/kernel.h>
-#include <linux/of_irq.h>
+#include <linux/irqchip.h>
 #include <asm/sizes.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
-#include <asm/hardware/gic.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
 #include "common.h"
@@ -61,16 +60,6 @@ MACHINE_END
 #endif
 
 #ifdef CONFIG_ARCH_MARCO
-static const struct of_device_id marco_irq_match[] __initconst = {
-	{ .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
-	{ /* sentinel */ }
-};
-
-static void __init marco_init_irq(void)
-{
-	of_irq_init(marco_irq_match);
-}
-
 static const char *marco_dt_match[] __initdata = {
 	"sirf,marco",
 	NULL
@@ -80,9 +69,8 @@ DT_MACHINE_START(MARCO_DT, "Generic MARCO (Flattened Device Tree)")
 	/* Maintainer: Barry Song <baohua.song@csr.com> */
 	.smp            = smp_ops(sirfsoc_smp_ops),
 	.map_io         = sirfsoc_map_io,
-	.init_irq	= marco_init_irq,
+	.init_irq	= irqchip_init,
 	.init_time	= sirfsoc_marco_timer_init,
-	.handle_irq     = gic_handle_irq,
 	.init_machine	= sirfsoc_mach_init,
 	.init_late	= sirfsoc_init_late,
 	.dt_compat      = marco_dt_match,

arch/arm/mach-prima2/platsmp.c

@@ -11,13 +11,13 @@
 #include <linux/delay.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/irqchip/arm-gic.h>
 #include <asm/page.h>
 #include <asm/mach/map.h>
 #include <asm/smp_plat.h>
 #include <asm/smp_scu.h>
 #include <asm/cacheflush.h>
 #include <asm/cputype.h>
-#include <asm/hardware/gic.h>
 #include <mach/map.h>
 
 #include "common.h"
@@ -142,18 +142,12 @@ static int __cpuinit sirfsoc_boot_secondary(unsigned int cpu, struct task_struct
 	return pen_release != -1 ? -ENOSYS : 0;
 }
 
-static void __init sirfsoc_smp_init_cpus(void)
-{
-	set_smp_cross_call(gic_raise_softirq);
-}
-
 static void __init sirfsoc_smp_prepare_cpus(unsigned int max_cpus)
 {
 	scu_enable(scu_base);
 }
 
 struct smp_operations sirfsoc_smp_ops __initdata = {
-        .smp_init_cpus          = sirfsoc_smp_init_cpus,
         .smp_prepare_cpus       = sirfsoc_smp_prepare_cpus,
         .smp_secondary_init     = sirfsoc_secondary_init,
         .smp_boot_secondary     = sirfsoc_boot_secondary,