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-rw-r--r--include/linux/ktime.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index 2b139f66027..dae7143644f 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -279,6 +279,16 @@ static inline s64 ktime_to_us(const ktime_t kt)
return (s64) tv.tv_sec * USEC_PER_SEC + tv.tv_usec;
}
+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