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Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/acpi_tad.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/acpi/acpi_tad.c b/drivers/acpi/acpi_tad.c
index 2aaef50a2d0f..bdf8695c00f3 100644
--- a/drivers/acpi/acpi_tad.c
+++ b/drivers/acpi/acpi_tad.c
@@ -680,9 +680,8 @@ static int acpi_tad_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *t)
acpi_tad_rt_to_tm(&rt, &tm_now);
- value = ktime_divns(ktime_sub(rtc_tm_to_ktime(t->time),
- rtc_tm_to_ktime(tm_now)), NSEC_PER_SEC);
- if (value <= 0 || value > U32_MAX)
+ value = rtc_tm_to_time64(&t->time) - rtc_tm_to_time64(&tm_now);
+ if (value <= 0 || value >= U32_MAX)
return -EINVAL;
}
@@ -745,8 +744,7 @@ static int acpi_tad_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *t)
if (retval != ACPI_TAD_WAKE_DISABLED) {
t->enabled = 1;
- t->time = rtc_ktime_to_tm(ktime_add_ns(rtc_tm_to_ktime(tm_now),
- (u64)retval * NSEC_PER_SEC));
+ rtc_time64_to_tm(rtc_tm_to_time64(&tm_now) + retval, &t->time);
} else {
t->enabled = 0;
t->time = tm_now;