1 files changed, 14 insertions, 2 deletions

diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c
index 52843d0132be..3614874f7e3f 100644
--- a/drivers/rtc/rtc-twl.c
+++ b/drivers/rtc/rtc-twl.c
@@ -213,12 +213,24 @@ static int mask_rtc_irq_bit(unsigned char bit)
 
 static int twl_rtc_alarm_irq_enable(struct device *dev, unsigned enabled)
 {
+        struct platform_device *pdev = to_platform_device(dev);
+        int irq = platform_get_irq(pdev, 0);
+        static bool twl_rtc_wake_enabled;
         int ret;
 
-        if (enabled)
+        if (enabled) {
                 ret = set_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
-        else
+                if (device_can_wakeup(dev) && !twl_rtc_wake_enabled) {
+                        enable_irq_wake(irq);
+                        twl_rtc_wake_enabled = true;
+                }
+        } else {
                 ret = mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
+                if (twl_rtc_wake_enabled) {
+                        disable_irq_wake(irq);
+                        twl_rtc_wake_enabled = false;
+                }
+        }
 
         return ret;
 }