timekeeping: Provide timespec64 based interfaces

To convert callers of the core code to timespec64 we need to provide
the proper interfaces.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>

1 files changed, 61 insertions, 5 deletions

diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index e81c35b71da7..3eb19e34cc20 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -29,15 +29,71 @@ struct timespec get_monotonic_coarse(void);
 extern void getrawmonotonic(struct timespec *ts);
 extern void monotonic_to_bootbased(struct timespec *ts);
 extern void get_monotonic_boottime(struct timespec *ts);
-extern void ktime_get_ts(struct timespec *ts);
+extern void ktime_get_ts64(struct timespec64 *ts);
+
+extern int __getnstimeofday64(struct timespec64 *tv);
+extern void getnstimeofday64(struct timespec64 *tv);
+
+#if BITS_PER_LONG == 64
+static inline int __getnstimeofday(struct timespec *ts)
+{
+        return __getnstimeofday64(ts);
+}
+
+static inline void getnstimeofday(struct timespec *ts)
+{
+        getnstimeofday64(ts);
+}
+
+static inline void ktime_get_ts(struct timespec *ts)
+{
+        ktime_get_ts64(ts);
+}
+
+static inline void ktime_get_real_ts(struct timespec *ts)
+{
+        getnstimeofday64(ts);
+}
+
+#else
+static inline int __getnstimeofday(struct timespec *ts)
+{
+        struct timespec64 ts64;
+        int ret = __getnstimeofday64(&ts64);
+
+        *ts = timespec64_to_timespec(ts64);
+        return ret;
+}
+
+static inline void getnstimeofday(struct timespec *ts)
+{
+        struct timespec64 ts64;
+
+        getnstimeofday64(&ts64);
+        *ts = timespec64_to_timespec(ts64);
+}
+
+static inline void ktime_get_ts(struct timespec *ts)
+{
+        struct timespec64 ts64;
+
+        ktime_get_ts64(&ts64);
+        *ts = timespec64_to_timespec(ts64);
+}
+
+static inline void ktime_get_real_ts(struct timespec *ts)
+{
+        struct timespec64 ts64;
+
+        getnstimeofday64(&ts64);
+        *ts = timespec64_to_timespec(ts64);
+}
+#endif
 
-extern int __getnstimeofday(struct timespec *tv);
-extern void getnstimeofday(struct timespec *tv);
 extern void getboottime(struct timespec *ts);
 
 #define do_posix_clock_monotonic_gettime(ts) ktime_get_ts(ts)
-#define ktime_get_real_ts(ts)   getnstimeofday(ts)
-
+#define ktime_get_real_ts64(ts) getnstimeofday64(ts)
 
 /*
  * ktime_t based interfaces