sh: Disable IRQ balancing for timer and IPI IRQs.

Make sure that the timer IRQs and IPIs aren't enabled for IRQ balancing.
IPIs are disabled as a result of being percpu while the timers simply
disable balancing outright.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c
index b11882e..644ecbb 100644
--- a/drivers/clocksource/sh_mtu2.c
+++ b/drivers/clocksource/sh_mtu2.c
@@ -280,7 +280,8 @@
 	p->irqaction.handler = sh_mtu2_interrupt;
 	p->irqaction.dev_id = p;
 	p->irqaction.irq = irq;
-	p->irqaction.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL;
+	p->irqaction.flags = IRQF_DISABLED | IRQF_TIMER | \
+			     IRQF_IRQPOLL  | IRQF_NOBALANCING;
 
 	/* get hold of clock */
 	p->clk = clk_get(&p->pdev->dev, "mtu2_fck");