summaryrefslogtreecommitdiff
path: root/kernel/time
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/time')
-rw-r--r--kernel/time/ntp.c10
-rw-r--r--kernel/time/time.c36
-rw-r--r--kernel/time/timekeeping.c12
3 files changed, 3 insertions, 55 deletions
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index bc3a3c37ec9c..36a2bef00125 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -554,17 +554,9 @@ static void sync_rtc_clock(void)
}
#ifdef CONFIG_GENERIC_CMOS_UPDATE
-int __weak update_persistent_clock(struct timespec now)
-{
- return -ENODEV;
-}
-
int __weak update_persistent_clock64(struct timespec64 now64)
{
- struct timespec now;
-
- now = timespec64_to_timespec(now64);
- return update_persistent_clock(now);
+ return -ENODEV;
}
#endif
diff --git a/kernel/time/time.c b/kernel/time/time.c
index 5aa0a156e331..2edb5088a70b 100644
--- a/kernel/time/time.c
+++ b/kernel/time/time.c
@@ -384,42 +384,6 @@ time64_t mktime64(const unsigned int year0, const unsigned int mon0,
EXPORT_SYMBOL(mktime64);
/**
- * set_normalized_timespec - set timespec sec and nsec parts and normalize
- *
- * @ts: pointer to timespec variable to be set
- * @sec: seconds to set
- * @nsec: nanoseconds to set
- *
- * Set seconds and nanoseconds field of a timespec variable and
- * normalize to the timespec storage format
- *
- * Note: The tv_nsec part is always in the range of
- * 0 <= tv_nsec < NSEC_PER_SEC
- * For negative values only the tv_sec field is negative !
- */
-void set_normalized_timespec(struct timespec *ts, time_t sec, s64 nsec)
-{
- while (nsec >= NSEC_PER_SEC) {
- /*
- * The following asm() prevents the compiler from
- * optimising this loop into a modulo operation. See
- * also __iter_div_u64_rem() in include/linux/time.h
- */
- asm("" : "+rm"(nsec));
- nsec -= NSEC_PER_SEC;
- ++sec;
- }
- while (nsec < 0) {
- asm("" : "+rm"(nsec));
- nsec += NSEC_PER_SEC;
- --sec;
- }
- ts->tv_sec = sec;
- ts->tv_nsec = nsec;
-}
-EXPORT_SYMBOL(set_normalized_timespec);
-
-/**
* ns_to_timespec - Convert nanoseconds to timespec
* @nsec: the nanoseconds value to be converted
*
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index c801e25875a3..ac5dbf2cd4a2 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -1464,7 +1464,7 @@ u64 timekeeping_max_deferment(void)
}
/**
- * read_persistent_clock - Return time from the persistent clock.
+ * read_persistent_clock64 - Return time from the persistent clock.
*
* Weak dummy function for arches that do not yet support it.
* Reads the time from the battery backed persistent clock.
@@ -1472,20 +1472,12 @@ u64 timekeeping_max_deferment(void)
*
* XXX - Do be sure to remove it once all arches implement it.
*/
-void __weak read_persistent_clock(struct timespec *ts)
+void __weak read_persistent_clock64(struct timespec64 *ts)
{
ts->tv_sec = 0;
ts->tv_nsec = 0;
}
-void __weak read_persistent_clock64(struct timespec64 *ts64)
-{
- struct timespec ts;
-
- read_persistent_clock(&ts);
- *ts64 = timespec_to_timespec64(ts);
-}
-
/**
* read_persistent_wall_and_boot_offset - Read persistent clock, and also offset
* from the boot.