rtc: interface: Remove unused return value from rtc_timer_cancel()

The rtc_timer_cancel() always returns 0 and cannot fail (calls only
other void-returning functions).

Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 166fc60d8b55..a6b14c24d7e3 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -976,14 +976,12 @@ int rtc_timer_start(struct rtc_device *rtc, struct rtc_timer *timer,
  *
  * Kernel interface to cancel an rtc_timer
  */
-int rtc_timer_cancel(struct rtc_device *rtc, struct rtc_timer *timer)
+void rtc_timer_cancel(struct rtc_device *rtc, struct rtc_timer *timer)
 {
-        int ret = 0;
         mutex_lock(&rtc->ops_lock);
         if (timer->enabled)
                 rtc_timer_remove(rtc, timer);
         mutex_unlock(&rtc->ops_lock);
-        return ret;
 }