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>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/arm/mach-mmp/ttc_dkb.c b/arch/arm/mach-mmp/ttc_dkb.c
index ee65e05f0cf1..54571139dc4b 100644
--- a/arch/arm/mach-mmp/ttc_dkb.c
+++ b/arch/arm/mach-mmp/ttc_dkb.c
@@ -14,6 +14,7 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/onenand.h>
+#include <linux/interrupt.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -24,6 +25,8 @@
 
 #include "common.h"
 
+#define TTCDKB_NR_IRQS          (IRQ_BOARD_START + 24)
+
 static unsigned long ttc_dkb_pin_config[] __initdata = {
         /* UART2 */
         GPIO47_UART2_RXD,
@@ -125,6 +128,7 @@ MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
         .phys_io        = APB_PHYS_BASE,
         .io_pg_offst    = (APB_VIRT_BASE >> 18) & 0xfffc,
         .map_io         = mmp_map_io,
+        .nr_irqs        = TTCDKB_NR_IRQS,
         .init_irq       = pxa910_init_irq,
         .timer          = &pxa910_timer,
         .init_machine   = ttc_dkb_init,