1 files changed, 11 insertions, 1 deletions

diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index c68c7ac6b232..81bb9c7a4eb3 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -57,7 +57,11 @@ typedef union {
 } ktime_t;
 
 #define KTIME_MAX                       ((s64)~((u64)1 << 63))
-#define KTIME_SEC_MAX                   (KTIME_MAX / NSEC_PER_SEC)
+#if (BITS_PER_LONG == 64)
+# define KTIME_SEC_MAX                  (KTIME_MAX / NSEC_PER_SEC)
+#else
+# define KTIME_SEC_MAX                  LONG_MAX
+#endif
 
 /*
  * ktime_t definitions when using the 64-bit scalar representation:
@@ -255,6 +259,12 @@ static inline s64 ktime_to_ns(const ktime_t kt)
 
 #endif
 
+static inline s64 ktime_to_us(const ktime_t kt)
+{
+        struct timeval tv = ktime_to_timeval(kt);
+        return (s64) tv.tv_sec * USEC_PER_SEC + tv.tv_usec;
+}
+
 /*
  * The resolution of the clocks. The resolution value is returned in
  * the clock_getres() system call to give application programmers an