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| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-10-19 22:50:34 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-10-19 22:55:46 +0200 |
| commit | ae4866884338259318be94fa8f88015cced07000 (patch) | |
| tree | 93944e7de70fda991568c8e87791c57e3844a3bb /include/linux/rtc.h | |
| parent | 1a064850b5fed41c851adb895a4e959815aa33a2 (diff) | |
rtc: introduce lock helpers
Introduce rtc_lock and rtc_unlock to shorten the code when locking and
unlocking ops_lock from drivers.
Link: https://lore.kernel.org/r/20191019205034.6382-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'include/linux/rtc.h')
| -rw-r--r-- | include/linux/rtc.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/rtc.h b/include/linux/rtc.h index e86a9f307b82..4e9d3c71addb 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -159,6 +159,9 @@ struct rtc_device { }; #define to_rtc_device(d) container_of(d, struct rtc_device, dev) +#define rtc_lock(d) mutex_lock(&d->ops_lock) +#define rtc_unlock(d) mutex_unlock(&d->ops_lock) + /* useful timestamps */ #define RTC_TIMESTAMP_BEGIN_0000 -62167219200ULL /* 0000-01-01 00:00:00 */ #define RTC_TIMESTAMP_BEGIN_1900 -2208988800LL /* 1900-01-01 00:00:00 */ |