1 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/time.h b/include/linux/time.h
index 4d358e9d10f1..476e1d7b2c37 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -115,6 +115,17 @@ static inline bool timespec_valid_strict(const struct timespec *ts)
         return true;
 }
 
+extern bool persistent_clock_exist;
+
+#ifdef ALWAYS_USE_PERSISTENT_CLOCK
+#define has_persistent_clock()  true
+#else
+static inline bool has_persistent_clock(void)
+{
+        return persistent_clock_exist;
+}
+#endif
+
 extern void read_persistent_clock(struct timespec *ts);
 extern void read_boot_clock(struct timespec *ts);
 extern int update_persistent_clock(struct timespec now);
@@ -158,6 +169,7 @@ extern int do_setitimer(int which, struct itimerval *value,
                         struct itimerval *ovalue);
 extern unsigned int alarm_setitimer(unsigned int seconds);
 extern int do_getitimer(int which, struct itimerval *value);
+extern int __getnstimeofday(struct timespec *tv);
 extern void getnstimeofday(struct timespec *tv);
 extern void getrawmonotonic(struct timespec *ts);
 extern void getnstime_raw_and_real(struct timespec *ts_raw,