time: Expose getrawmonotonic64 for in-kernel uses

Adds a timespec64 based getrawmonotonic64() implementation
that can be used as we convert internal users of
getrawmonotonic away from using timespecs.

Signed-off-by: John Stultz <john.stultz@linaro.org>

2 files changed, 20 insertions, 6 deletions

diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index 6d76c6502892..e40a8d60fb21 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -26,7 +26,7 @@ struct timespec __current_kernel_time(void);
  * timespec based interfaces
  */
 struct timespec get_monotonic_coarse(void);
-extern void getrawmonotonic(struct timespec *ts);
+extern void getrawmonotonic64(struct timespec64 *ts);
 extern void ktime_get_ts64(struct timespec64 *ts);
 
 extern int __getnstimeofday64(struct timespec64 *tv);
@@ -61,6 +61,11 @@ static inline void ktime_get_real_ts(struct timespec *ts)
         getnstimeofday64(ts);
 }
 
+static inline void getrawmonotonic(struct timespec *ts)
+{
+        getrawmonotonic64(ts);
+}
+
 #else
 /**
  * Deprecated. Use do_settimeofday64().
@@ -105,6 +110,14 @@ static inline void ktime_get_real_ts(struct timespec *ts)
         getnstimeofday64(&ts64);
         *ts = timespec64_to_timespec(ts64);
 }
+
+static inline void getrawmonotonic(struct timespec *ts)
+{
+        struct timespec64 ts64;
+
+        getrawmonotonic64(&ts64);
+        *ts = timespec64_to_timespec(ts64);
+}
 #endif
 
 extern void getboottime(struct timespec *ts);
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 2bde974437fd..2e5f63212269 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -894,12 +894,12 @@ int timekeeping_notify(struct clocksource *clock)
 }
 
 /**
- * getrawmonotonic - Returns the raw monotonic time in a timespec
- * @ts:         pointer to the timespec to be set
+ * getrawmonotonic64 - Returns the raw monotonic time in a timespec
+ * @ts:         pointer to the timespec64 to be set
  *
  * Returns the raw monotonic time (completely un-modified by ntp)
  */
-void getrawmonotonic(struct timespec *ts)
+void getrawmonotonic64(struct timespec64 *ts)
 {
         struct timekeeper *tk = &tk_core.timekeeper;
         struct timespec64 ts64;
@@ -914,9 +914,10 @@ void getrawmonotonic(struct timespec *ts)
         } while (read_seqcount_retry(&tk_core.seq, seq));
 
         timespec64_add_ns(&ts64, nsecs);
-        *ts = timespec64_to_timespec(ts64);
+        *ts = ts64;
 }
-EXPORT_SYMBOL(getrawmonotonic);
+EXPORT_SYMBOL(getrawmonotonic64);
+
 
 /**
  * timekeeping_valid_for_hres - Check if timekeeping is suitable for hres