[PATCH] PM: suspend_device_irqs(): don't disable wakeup IRQs

[Kevin Hilman <khilman@deeprootsystems.com>]

Interrupts that are flagged as wakeup sources via set_irq_wake()
should not be disabled for suspend.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 kernel/irq/pm.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/kernel/irq/pm.c b/kernel/irq/pm.c
index 638d8be..99113bd 100644
--- a/kernel/irq/pm.c
+++ b/kernel/irq/pm.c
@@ -28,6 +28,9 @@ void suspend_device_irqs(void)
 	for_each_irq_desc(irq, desc) {
 		unsigned long flags;
 
+		if (desc->status & IRQ_WAKEUP)
+			continue;
+
 		spin_lock_irqsave(&desc->lock, flags);
 		__disable_irq(desc, irq, true);
 		spin_unlock_irqrestore(&desc->lock, flags);
-- 
1.6.2.2