Add IRQF_IRQPOLL flag on arm

Add IRQF_IRQPOLL for each timer interrupt.

Signed-off-by: Bernhard Walle <bwalle@suse.de>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/arm/mach-footbridge/isa-timer.c b/arch/arm/mach-footbridge/isa-timer.c
index d884a39..d08d641 100644
--- a/arch/arm/mach-footbridge/isa-timer.c
+++ b/arch/arm/mach-footbridge/isa-timer.c
@@ -73,7 +73,7 @@
 static struct irqaction isa_timer_irq = {
 	.name		= "ISA timer tick",
 	.handler	= isa_timer_interrupt,
-	.flags		= IRQF_DISABLED | IRQF_TIMER,
+	.flags		= IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
 };
 
 static void __init isa_timer_init(void)