Introduce rtc_lock and rtc_unlock to shorten the code when locking and
unlocking ops_lock from drivers.

Signed-off-by: Alexandre Belloni <alexandre.bell...@bootlin.com>
---
 include/linux/rtc.h | 3 +++
 1 file changed, 3 insertions(+)

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 */
-- 
2.21.0

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