diff --git a/include/linux/time.h b/include/linux/time.h
index 4bb05a829be9c3370e21778a4232053a56620ad7..ec3b0ced0afec4f75108f7d284a29156625302dd 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -36,7 +36,8 @@ struct timezone {
 #define NSEC_PER_SEC	1000000000L
 #define FSEC_PER_SEC	1000000000000000L
 
-static inline int timespec_equal(struct timespec *a, struct timespec *b)
+static inline int timespec_equal(const struct timespec *a,
+                                 const struct timespec *b)
 {
 	return (a->tv_sec == b->tv_sec) && (a->tv_nsec == b->tv_nsec);
 }