commit eac4ccd16357ad77f34c28813d8fcf35ba81fa33
author Todd Poynor <toddpoynor@google.com> Mon Jan 24 14:36:39 2011 -0800
committer Todd Poynor <toddpoynor@google.com> Mon Jan 24 14:38:45 2011 -0800
tree bf0fd46cdc93b969eedf8ddb32e8ac27e3eab27d
parent 700df3ba934eccdd61429de0db8f664973719ed1

Print pending wakeup IRQ preventing suspend to dmesg

Change-Id: I36f90735c75fb7c7ab1084775ec0d0ab02336e6e
Signed-off-by: Todd Poynor <toddpoynor@google.com>

kernel/irq/pm.c

diff --git a/kernel/irq/pm.c b/kernel/irq/pm.c
index 0d4005d8..1df62ef 100644
--- a/kernel/irq/pm.c
+++ b/kernel/irq/pm.c
@@ -72,8 +72,12 @@
 	int irq;
 
 	for_each_irq_desc(irq, desc)
-		if ((desc->status & IRQ_WAKEUP) && (desc->status & IRQ_PENDING))
+		if ((desc->status & IRQ_WAKEUP) &&
+		    (desc->status & IRQ_PENDING)) {
+			pr_info("Wakeup IRQ %d %s pending, suspend aborted\n",
+				irq, desc->name ? desc->name : "");
 			return -EBUSY;
+		}
 
 	return 0;
 }