diff --git a/[refs] b/[refs]
index 8983ba453d8b..435b15559d3b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f1c91da44728fba24927e44056a56e507c11cf7b
+refs/heads/master: 1e180f726a58089d15637b5495fecbad8c50c833
diff --git a/trunk/include/linux/ktime.h b/trunk/include/linux/ktime.h
index 923665958f90..dae7143644fe 100644
--- a/trunk/include/linux/ktime.h
+++ b/trunk/include/linux/ktime.h
@@ -284,6 +284,11 @@ static inline s64 ktime_us_delta(const ktime_t later, const ktime_t earlier)
        return ktime_to_us(ktime_sub(later, earlier));
 }
 
+static inline ktime_t ktime_add_us(const ktime_t kt, const u64 usec)
+{
+	return ktime_add_ns(kt, usec * 1000);
+}
+
 /*
  * The resolution of the clocks. The resolution value is returned in
  * the clock_getres() system call to give application programmers an