1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/rtc/rtc-wm8350.c b/drivers/rtc/rtc-wm8350.c
index a5512f515998..3d0dc76b38af 100644
--- a/drivers/rtc/rtc-wm8350.c
+++ b/drivers/rtc/rtc-wm8350.c
@@ -307,11 +307,18 @@ static int wm8350_rtc_update_irq_enable(struct device *dev,
 {
         struct wm8350 *wm8350 = dev_get_drvdata(dev);
 
+        /* Suppress duplicate changes since genirq nests enable and
+         * disable calls. */
+        if (enabled == wm8350->rtc.update_enabled)
+                return 0;
+
         if (enabled)
                 wm8350_unmask_irq(wm8350, WM8350_IRQ_RTC_SEC);
         else
                 wm8350_mask_irq(wm8350, WM8350_IRQ_RTC_SEC);
 
+        wm8350->rtc.update_enabled = enabled;
+
         return 0;
 }