diff --git a/[refs] b/[refs]
index 120a260e6565..c7ab2f275dfe 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 79b3feffb10417f197d2ab48dd4fa3c0c9e7d788
+refs/heads/master: 57d3da2911787a101a384532f4519f9640bae883
diff --git a/trunk/include/linux/ktime.h b/trunk/include/linux/ktime.h
index 2cd7fa73d1af..ce5983225be4 100644
--- a/trunk/include/linux/ktime.h
+++ b/trunk/include/linux/ktime.h
@@ -327,4 +327,10 @@ extern void ktime_get_ts(struct timespec *ts);
 /* Get the real (wall-) time in timespec format: */
 #define ktime_get_real_ts(ts)	getnstimeofday(ts)
 
+static inline ktime_t ns_to_ktime(u64 ns)
+{
+	static const ktime_t ktime_zero = { .tv64 = 0 };
+	return ktime_add_ns(ktime_zero, ns);
+}
+
 #endif