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-rw-r--r--drivers/rtc/interface.c8
-rw-r--r--drivers/rtc/systohc.c5
-rw-r--r--include/linux/rtc.h1
3 files changed, 12 insertions, 2 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 37215cf983e9..d43ee409a5f2 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -72,7 +72,11 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm)
err = -ENODEV;
else if (rtc->ops->set_time)
err = rtc->ops->set_time(rtc->dev.parent, tm);
- else if (rtc->ops->set_mmss) {
+ else if (rtc->ops->set_mmss64) {
+ time64_t secs64 = rtc_tm_to_time64(tm);
+
+ err = rtc->ops->set_mmss64(rtc->dev.parent, secs64);
+ } else if (rtc->ops->set_mmss) {
time64_t secs64 = rtc_tm_to_time64(tm);
err = rtc->ops->set_mmss(rtc->dev.parent, secs64);
} else
@@ -96,6 +100,8 @@ int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs)
if (!rtc->ops)
err = -ENODEV;
+ else if (rtc->ops->set_mmss64)
+ err = rtc->ops->set_mmss64(rtc->dev.parent, secs);
else if (rtc->ops->set_mmss)
err = rtc->ops->set_mmss(rtc->dev.parent, secs);
else if (rtc->ops->read_time && rtc->ops->set_time) {
diff --git a/drivers/rtc/systohc.c b/drivers/rtc/systohc.c
index ef3c07a52c3a..7728d5e32bf4 100644
--- a/drivers/rtc/systohc.c
+++ b/drivers/rtc/systohc.c
@@ -35,7 +35,10 @@ int rtc_set_ntp_time(struct timespec64 now)
if (rtc) {
/* rtc_hctosys exclusively uses UTC, so we call set_time here,
* not set_mmss. */
- if (rtc->ops && (rtc->ops->set_time || rtc->ops->set_mmss))
+ if (rtc->ops &&
+ (rtc->ops->set_time ||
+ rtc->ops->set_mmss64 ||
+ rtc->ops->set_mmss))
err = rtc_set_time(rtc, &tm);
rtc_class_close(rtc);
}
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index dcad7ee0d746..8dcf6825fa88 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -77,6 +77,7 @@ struct rtc_class_ops {
int (*read_alarm)(struct device *, struct rtc_wkalrm *);
int (*set_alarm)(struct device *, struct rtc_wkalrm *);
int (*proc)(struct device *, struct seq_file *);
+ int (*set_mmss64)(struct device *, time64_t secs);
int (*set_mmss)(struct device *, unsigned long secs);
int (*read_callback)(struct device *, int data);
int (*alarm_irq_enable)(struct device *, unsigned int enabled);