diff --git a/drivers/soc/qcom/pmic_glink.c b/drivers/soc/qcom/pmic_glink.c
index 062ff7b12de6..61a359938b6c 100644
--- a/drivers/soc/qcom/pmic_glink.c
+++ b/drivers/soc/qcom/pmic_glink.c
@@ -11,6 +11,7 @@
 #include <linux/slab.h>
 #include <linux/soc/qcom/pdr.h>
 #include <linux/soc/qcom/pmic_glink.h>
+#include <linux/spinlock.h>
 
 enum {
 	PMIC_GLINK_CLIENT_BATT = 0,
@@ -39,7 +40,7 @@ struct pmic_glink {
 	unsigned int pdr_state;
 
 	/* serializing clients list updates */
-	struct mutex client_lock;
+	spinlock_t client_lock;
 	struct list_head clients;
 };
 
@@ -61,10 +62,11 @@ static void _devm_pmic_glink_release_client(struct device *dev, void *res)
 {
 	struct pmic_glink_client *client = (struct pmic_glink_client *)res;
 	struct pmic_glink *pg = client->pg;
+	unsigned long flags;
 
-	mutex_lock(&pg->client_lock);
+	spin_lock_irqsave(&pg->client_lock, flags);
 	list_del(&client->node);
-	mutex_unlock(&pg->client_lock);
+	spin_unlock_irqrestore(&pg->client_lock, flags);
 }
 
 struct pmic_glink_client *devm_pmic_glink_register_client(struct device *dev,
@@ -75,6 +77,7 @@ struct pmic_glink_client *devm_pmic_glink_register_client(struct device *dev,
 {
 	struct pmic_glink_client *client;
 	struct pmic_glink *pg = dev_get_drvdata(dev->parent);
+	unsigned long flags;
 
 	client = devres_alloc(_devm_pmic_glink_release_client, sizeof(*client), GFP_KERNEL);
 	if (!client)
@@ -87,12 +90,12 @@ struct pmic_glink_client *devm_pmic_glink_register_client(struct device *dev,
 	client->priv = priv;
 
 	mutex_lock(&pg->state_lock);
-	mutex_lock(&pg->client_lock);
+	spin_lock_irqsave(&pg->client_lock, flags);
 
 	list_add(&client->node, &pg->clients);
 	client->pdr_notify(client->priv, pg->client_state);
 
-	mutex_unlock(&pg->client_lock);
+	spin_unlock_irqrestore(&pg->client_lock, flags);
 	mutex_unlock(&pg->state_lock);
 
 	devres_add(dev, client);
@@ -115,6 +118,7 @@ static int pmic_glink_rpmsg_callback(struct rpmsg_device *rpdev, void *data,
 	struct pmic_glink_client *client;
 	struct pmic_glink_hdr *hdr;
 	struct pmic_glink *pg = dev_get_drvdata(&rpdev->dev);
+	unsigned long flags;
 
 	if (len < sizeof(*hdr)) {
 		dev_warn(pg->dev, "ignoring truncated message\n");
@@ -123,12 +127,12 @@ static int pmic_glink_rpmsg_callback(struct rpmsg_device *rpdev, void *data,
 
 	hdr = data;
 
-	mutex_lock(&pg->client_lock);
+	spin_lock_irqsave(&pg->client_lock, flags);
 	list_for_each_entry(client, &pg->clients, node) {
 		if (client->id == le32_to_cpu(hdr->owner))
 			client->cb(data, len, client->priv);
 	}
-	mutex_unlock(&pg->client_lock);
+	spin_unlock_irqrestore(&pg->client_lock, flags);
 
 	return 0;
 }
@@ -168,6 +172,7 @@ static void pmic_glink_state_notify_clients(struct pmic_glink *pg)
 {
 	struct pmic_glink_client *client;
 	unsigned int new_state = pg->client_state;
+	unsigned long flags;
 
 	if (pg->client_state != SERVREG_SERVICE_STATE_UP) {
 		if (pg->pdr_state == SERVREG_SERVICE_STATE_UP && pg->ept)
@@ -178,10 +183,10 @@ static void pmic_glink_state_notify_clients(struct pmic_glink *pg)
 	}
 
 	if (new_state != pg->client_state) {
-		mutex_lock(&pg->client_lock);
+		spin_lock_irqsave(&pg->client_lock, flags);
 		list_for_each_entry(client, &pg->clients, node)
 			client->pdr_notify(client->priv, new_state);
-		mutex_unlock(&pg->client_lock);
+		spin_unlock_irqrestore(&pg->client_lock, flags);
 		pg->client_state = new_state;
 	}
 }
@@ -268,7 +273,7 @@ static int pmic_glink_probe(struct platform_device *pdev)
 	pg->dev = &pdev->dev;
 
 	INIT_LIST_HEAD(&pg->clients);
-	mutex_init(&pg->client_lock);
+	spin_lock_init(&pg->client_lock);
 	mutex_init(&pg->state_lock);
 
 	match_data = (unsigned long *)of_device_get_match_data(&pdev->dev);