diff options
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-wm8350.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-wm8350.c b/drivers/rtc/rtc-wm8350.c index a5512f51599..3d0dc76b38a 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; } |