diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index 84869863e965..43d2471e0261 100755
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -356,7 +356,6 @@ static unsigned int sugov_next_freq_shared(struct sugov_cpu *sg_cpu, u64 time)
 {
 	struct sugov_policy *sg_policy = sg_cpu->sg_policy;
 	struct cpufreq_policy *policy = sg_policy->policy;
-	u64 last_freq_update_time = sg_policy->last_freq_update_time;
 	unsigned long util = 0, max = 1;
 	unsigned int j;
 
@@ -372,7 +371,7 @@ static unsigned int sugov_next_freq_shared(struct sugov_cpu *sg_cpu, u64 time)
 		 * enough, don't take the CPU into account as it probably is
 		 * idle now (and clear iowait_boost for it).
 		 */
-		delta_ns = last_freq_update_time - j_sg_cpu->last_update;
+		delta_ns = time - j_sg_cpu->last_update;
 		if (delta_ns > stale_ns) {
 			j_sg_cpu->iowait_boost = 0;
 			j_sg_cpu->iowait_boost_pending = false;