ARM: pxa: encode IRQ number into .nr_irqs

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c
index d279507..fc9502e 100644
--- a/arch/arm/mach-pxa/lpd270.c
+++ b/arch/arm/mach-pxa/lpd270.c
@@ -509,6 +509,7 @@
 	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
 	.boot_params	= 0xa0000100,
 	.map_io		= lpd270_map_io,
+	.nr_irqs	= LPD270_NR_IRQS,
 	.init_irq	= lpd270_init_irq,
 	.timer		= &pxa_timer,
 	.init_machine	= lpd270_init,