ARM: mmp: support sparse irq

Add sparse IRQ support in ARCH_MMP.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

arch/arm/mach-mmp/jasper.c

@@ -18,16 +18,18 @@
 #include <linux/regulator/machine.h>
 #include <linux/regulator/max8649.h>
 #include <linux/mfd/max8925.h>
+#include <linux/interrupt.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <mach/addr-map.h>
 #include <mach/mfp-mmp2.h>
 #include <mach/mmp2.h>
-#include <mach/irqs.h>
 
 #include "common.h"
 
+#define JASPER_NR_IRQS		(IRQ_BOARD_START + 48)
+
 static unsigned long jasper_pin_config[] __initdata = {
 	/* UART1 */
 	GPIO29_UART1_RXD,
@@ -137,6 +139,7 @@ MACHINE_START(MARVELL_JASPER, "Jasper Development Platform")
 	.phys_io        = APB_PHYS_BASE,
 	.io_pg_offst    = (APB_VIRT_BASE >> 18) & 0xfffc,
 	.map_io		= mmp_map_io,
+	.nr_irqs	= JASPER_NR_IRQS,
 	.init_irq       = mmp2_init_irq,
 	.timer          = &mmp2_timer,
 	.init_machine   = jasper_init,