diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c
index 4070e573bf43..f70aa17e2a8e 100644
--- a/drivers/cpuidle/driver.c
+++ b/drivers/cpuidle/driver.c
@@ -181,9 +181,13 @@ static void __cpuidle_driver_init(struct cpuidle_driver *drv)
 		 */
 		if (s->target_residency > 0)
 			s->target_residency_ns = s->target_residency * NSEC_PER_USEC;
+		else if (s->target_residency_ns < 0)
+			s->target_residency_ns = 0;
 
 		if (s->exit_latency > 0)
 			s->exit_latency_ns = s->exit_latency * NSEC_PER_USEC;
+		else if (s->exit_latency_ns < 0)
+			s->exit_latency_ns =  0;
 	}
 }
 
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index bd605b5585cf..fce476275e16 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -49,8 +49,8 @@ struct cpuidle_state {
 	char		name[CPUIDLE_NAME_LEN];
 	char		desc[CPUIDLE_DESC_LEN];
 
-	u64		exit_latency_ns;
-	u64		target_residency_ns;
+	s64		exit_latency_ns;
+	s64		target_residency_ns;
 	unsigned int	flags;
 	unsigned int	exit_latency; /* in US */
 	int		power_usage; /* in mW */