Print pending wakeup IRQ preventing suspend to dmesg

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

diff --git a/kernel/irq/pm.c b/kernel/irq/pm.c
index 0d4005d85b03243746f6c45d54cf1600bc3e5acf..1df62ef4713bfb2b95f926a0f23adc4f386bcd07 100644 (file)
--- 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;
 }