Print pending wakeup IRQ preventing suspend to dmesg

skywalker01 · Oct 9, 2011 · 2d36caa · 2d36caa
1 parent e98cb83
commit 2d36caa
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/kernel/irq/pm.c b/kernel/irq/pm.c
@@ -72,8 +72,12 @@ int check_wakeup_irqs(void)
 	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;
 }