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

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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>
This commit is contained in:
Krzysztof Kozlowski 2015-05-03 18:57:11 +09:00 committed by Alexandre Belloni
parent 1796dcce2d
commit 73744a64aa
2 changed files with 2 additions and 4 deletions
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4
drivers/rtc/interface.c
View File

@ -976,14 +976,12 @@ int rtc_timer_start(struct rtc_device *rtc, struct rtc_timer *timer,
* *
* Kernel interface to cancel an rtc_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); mutex_lock(&rtc->ops_lock);
if (timer->enabled) if (timer->enabled)
rtc_timer_remove(rtc, timer); rtc_timer_remove(rtc, timer);
mutex_unlock(&rtc->ops_lock); mutex_unlock(&rtc->ops_lock);
return ret;
} }

2
include/linux/rtc.h
View File

@ -200,7 +200,7 @@ int rtc_control(rtc_task_t *t, unsigned int cmd, unsigned long arg);
void rtc_timer_init(struct rtc_timer *timer, void (*f)(void *p), void *data); void rtc_timer_init(struct rtc_timer *timer, void (*f)(void *p), void *data);
int rtc_timer_start(struct rtc_device *rtc, struct rtc_timer *timer, int rtc_timer_start(struct rtc_device *rtc, struct rtc_timer *timer,
ktime_t expires, ktime_t period); ktime_t expires, ktime_t period);
int rtc_timer_cancel(struct rtc_device *rtc, struct rtc_timer *timer); void rtc_timer_cancel(struct rtc_device *rtc, struct rtc_timer *timer);
void rtc_timer_do_work(struct work_struct *work); void rtc_timer_do_work(struct work_struct *work);
static inline bool is_leap_year(unsigned int year) static inline bool is_leap_year(unsigned int year)