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>
diff --git a/arch/arm/mach-mmp/flint.c b/arch/arm/mach-mmp/flint.c
index e4312d2..c558425 100644
--- a/arch/arm/mach-mmp/flint.c
+++ b/arch/arm/mach-mmp/flint.c
@@ -16,6 +16,7 @@
#include <linux/smc91x.h>
#include <linux/io.h>
#include <linux/gpio.h>
+#include <linux/interrupt.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -25,6 +26,8 @@
#include "common.h"
+#define FLINT_NR_IRQS (IRQ_BOARD_START + 48)
+
static unsigned long flint_pin_config[] __initdata = {
/* UART1 */
GPIO45_UART1_RXD,
@@ -116,6 +119,7 @@
.phys_io = APB_PHYS_BASE,
.io_pg_offst = (APB_VIRT_BASE >> 18) & 0xfffc,
.map_io = mmp_map_io,
+ .nr_irqs = FLINT_NR_IRQS,
.init_irq = mmp2_init_irq,
.timer = &mmp2_timer,
.init_machine = flint_init,