X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=kernel%2Ftime%2Ftimekeeping.c;h=fb0f46fa1ecd0fc09b656e2759ff990372faacb3;hb=89ae400e3f57c9d60cd4da3501bb09c1502b723c;hp=15e06defca5518ca1378c797bbcaa28472e66c72;hpb=23970e389e9cee43c4b41023935e1417271708b2;p=karo-tx-linux.git

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 15e06defca55..fb0f46fa1ecd 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -826,9 +826,11 @@ void update_wall_time(void)
  */
 void getboottime(struct timespec *ts)
 {
-	struct timespec boottime;
+	struct timespec boottime = {
+		.tv_sec = wall_to_monotonic.tv_sec + total_sleep_time.tv_sec,
+		.tv_nsec = wall_to_monotonic.tv_nsec + total_sleep_time.tv_nsec
+	};
 
-	boottime = timespec_add_safe(wall_to_monotonic, total_sleep_time);
 	set_normalized_timespec(ts, -boottime.tv_sec, -boottime.tv_nsec);
 }
 
@@ -847,6 +849,10 @@ unsigned long get_seconds(void)
 }
 EXPORT_SYMBOL(get_seconds);
 
+struct timespec __current_kernel_time(void)
+{
+	return xtime_cache;
+}
 
 struct timespec current_kernel_time(void)
 {
@@ -862,3 +868,20 @@ struct timespec current_kernel_time(void)
 	return now;
 }
 EXPORT_SYMBOL(current_kernel_time);
+
+struct timespec get_monotonic_coarse(void)
+{
+	struct timespec now, mono;
+	unsigned long seq;
+
+	do {
+		seq = read_seqbegin(&xtime_lock);
+
+		now = xtime_cache;
+		mono = wall_to_monotonic;
+	} while (read_seqretry(&xtime_lock, seq));
+
+	set_normalized_timespec(&now, now.tv_sec + mono.tv_sec,
+				now.tv_nsec + mono.tv_nsec);
+	return now;
+}