diff --git a/drivers/ptp/ptp_private.h b/drivers/ptp/ptp_private.h
index 77918a2c6701..75f58fc468a7 100644
--- a/drivers/ptp/ptp_private.h
+++ b/drivers/ptp/ptp_private.h
@@ -66,7 +66,7 @@ struct ptp_vclock {
 	struct hlist_node vclock_hash_node;
 	struct cyclecounter cc;
 	struct timecounter tc;
-	spinlock_t lock;	/* protects tc/cc */
+	struct mutex lock;	/* protects tc/cc */
 };
 
 /*
diff --git a/drivers/ptp/ptp_vclock.c b/drivers/ptp/ptp_vclock.c
index 1c0ed4805c0a..eacaa7fad5dd 100644
--- a/drivers/ptp/ptp_vclock.c
+++ b/drivers/ptp/ptp_vclock.c
@@ -43,16 +43,16 @@ static void ptp_vclock_hash_del(struct ptp_vclock *vclock)
 static int ptp_vclock_adjfine(struct ptp_clock_info *ptp, long scaled_ppm)
 {
 	struct ptp_vclock *vclock = info_to_vclock(ptp);
-	unsigned long flags;
 	s64 adj;
 
 	adj = (s64)scaled_ppm << PTP_VCLOCK_FADJ_SHIFT;
 	adj = div_s64(adj, PTP_VCLOCK_FADJ_DENOMINATOR);
 
-	spin_lock_irqsave(&vclock->lock, flags);
+	if (mutex_lock_interruptible(&vclock->lock) < 0)
+		return -EINTR;
 	timecounter_read(&vclock->tc);
 	vclock->cc.mult = PTP_VCLOCK_CC_MULT + adj;
-	spin_unlock_irqrestore(&vclock->lock, flags);
+	mutex_unlock(&vclock->lock);
 
 	return 0;
 }
@@ -60,11 +60,11 @@ static int ptp_vclock_adjfine(struct ptp_clock_info *ptp, long scaled_ppm)
 static int ptp_vclock_adjtime(struct ptp_clock_info *ptp, s64 delta)
 {
 	struct ptp_vclock *vclock = info_to_vclock(ptp);
-	unsigned long flags;
 
-	spin_lock_irqsave(&vclock->lock, flags);
+	if (mutex_lock_interruptible(&vclock->lock) < 0)
+		return -EINTR;
 	timecounter_adjtime(&vclock->tc, delta);
-	spin_unlock_irqrestore(&vclock->lock, flags);
+	mutex_unlock(&vclock->lock);
 
 	return 0;
 }
@@ -73,12 +73,12 @@ static int ptp_vclock_gettime(struct ptp_clock_info *ptp,
 			      struct timespec64 *ts)
 {
 	struct ptp_vclock *vclock = info_to_vclock(ptp);
-	unsigned long flags;
 	u64 ns;
 
-	spin_lock_irqsave(&vclock->lock, flags);
+	if (mutex_lock_interruptible(&vclock->lock) < 0)
+		return -EINTR;
 	ns = timecounter_read(&vclock->tc);
-	spin_unlock_irqrestore(&vclock->lock, flags);
+	mutex_unlock(&vclock->lock);
 	*ts = ns_to_timespec64(ns);
 
 	return 0;
@@ -91,7 +91,6 @@ static int ptp_vclock_gettimex(struct ptp_clock_info *ptp,
 	struct ptp_vclock *vclock = info_to_vclock(ptp);
 	struct ptp_clock *pptp = vclock->pclock;
 	struct timespec64 pts;
-	unsigned long flags;
 	int err;
 	u64 ns;
 
@@ -99,9 +98,10 @@ static int ptp_vclock_gettimex(struct ptp_clock_info *ptp,
 	if (err)
 		return err;
 
-	spin_lock_irqsave(&vclock->lock, flags);
+	if (mutex_lock_interruptible(&vclock->lock) < 0)
+		return -EINTR;
 	ns = timecounter_cyc2time(&vclock->tc, timespec64_to_ns(&pts));
-	spin_unlock_irqrestore(&vclock->lock, flags);
+	mutex_unlock(&vclock->lock);
 
 	*ts = ns_to_timespec64(ns);
 
@@ -113,11 +113,11 @@ static int ptp_vclock_settime(struct ptp_clock_info *ptp,
 {
 	struct ptp_vclock *vclock = info_to_vclock(ptp);
 	u64 ns = timespec64_to_ns(ts);
-	unsigned long flags;
 
-	spin_lock_irqsave(&vclock->lock, flags);
+	if (mutex_lock_interruptible(&vclock->lock) < 0)
+		return -EINTR;
 	timecounter_init(&vclock->tc, &vclock->cc, ns);
-	spin_unlock_irqrestore(&vclock->lock, flags);
+	mutex_unlock(&vclock->lock);
 
 	return 0;
 }
@@ -127,7 +127,6 @@ static int ptp_vclock_getcrosststamp(struct ptp_clock_info *ptp,
 {
 	struct ptp_vclock *vclock = info_to_vclock(ptp);
 	struct ptp_clock *pptp = vclock->pclock;
-	unsigned long flags;
 	int err;
 	u64 ns;
 
@@ -135,9 +134,10 @@ static int ptp_vclock_getcrosststamp(struct ptp_clock_info *ptp,
 	if (err)
 		return err;
 
-	spin_lock_irqsave(&vclock->lock, flags);
+	if (mutex_lock_interruptible(&vclock->lock) < 0)
+		return -EINTR;
 	ns = timecounter_cyc2time(&vclock->tc, ktime_to_ns(xtstamp->device));
-	spin_unlock_irqrestore(&vclock->lock, flags);
+	mutex_unlock(&vclock->lock);
 
 	xtstamp->device = ns_to_ktime(ns);
 
@@ -205,7 +205,7 @@ struct ptp_vclock *ptp_vclock_register(struct ptp_clock *pclock)
 
 	INIT_HLIST_NODE(&vclock->vclock_hash_node);
 
-	spin_lock_init(&vclock->lock);
+	mutex_init(&vclock->lock);
 
 	vclock->clock = ptp_clock_register(&vclock->info, &pclock->dev);
 	if (IS_ERR_OR_NULL(vclock->clock)) {
@@ -269,7 +269,6 @@ ktime_t ptp_convert_timestamp(const ktime_t *hwtstamp, int vclock_index)
 {
 	unsigned int hash = vclock_index % HASH_SIZE(vclock_hash);
 	struct ptp_vclock *vclock;
-	unsigned long flags;
 	u64 ns;
 	u64 vclock_ns = 0;
 
@@ -281,9 +280,10 @@ ktime_t ptp_convert_timestamp(const ktime_t *hwtstamp, int vclock_index)
 		if (vclock->clock->index != vclock_index)
 			continue;
 
-		spin_lock_irqsave(&vclock->lock, flags);
+		if (mutex_lock_interruptible(&vclock->lock) < 0)
+			break;
 		vclock_ns = timecounter_cyc2time(&vclock->tc, ns);
-		spin_unlock_irqrestore(&vclock->lock, flags);
+		mutex_unlock(&vclock->lock);
 		break;
 	}
 
