rtc: snvs: return error in case enable_irq_wake fails

If enable_irq_wake fails, we should return that error code so that
entering suspend fails. Otherwise we will get a WARNING along with
the hint of a unbalanced wake disable:
Unbalanced IRQ 37 wake disable

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

diff --git a/drivers/rtc/rtc-snvs.c b/drivers/rtc/rtc-snvs.c
index 950c5d0..0f11c2a 100644 (file)
--- a/drivers/rtc/rtc-snvs.c
+++ b/drivers/rtc/rtc-snvs.c
@@ -322,7 +322,7 @@ static int snvs_rtc_suspend(struct device *dev)
        struct snvs_rtc_data *data = dev_get_drvdata(dev);
 
        if (device_may_wakeup(dev))
-               enable_irq_wake(data->irq);
+               return enable_irq_wake(data->irq);
 
        return 0;
 }