diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c
index 0a2088e12d96..95933745433f 100644
--- a/drivers/irqchip/irq-stm32-exti.c
+++ b/drivers/irqchip/irq-stm32-exti.c
@@ -6,6 +6,8 @@
  */
 
 #include <linux/bitops.h>
+#include <linux/delay.h>
+#include <linux/hwspinlock.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/irq.h>
@@ -20,6 +22,9 @@
 
 #define IRQS_PER_BANK 32
 
+#define HWSPNLCK_TIMEOUT	1000 /* usec */
+#define HWSPNLCK_RETRY_DELAY	100  /* usec */
+
 struct stm32_exti_bank {
 	u32 imr_ofst;
 	u32 emr_ofst;
@@ -32,6 +37,12 @@ struct stm32_exti_bank {
 
 #define UNDEF_REG ~0
 
+enum stm32_exti_hwspinlock {
+	HWSPINLOCK_UNKNOWN,
+	HWSPINLOCK_NONE,
+	HWSPINLOCK_READY,
+};
+
 struct stm32_desc_irq {
 	u32 exti;
 	u32 irq_parent;
@@ -58,6 +69,9 @@ struct stm32_exti_host_data {
 	void __iomem *base;
 	struct stm32_exti_chip_data *chips_data;
 	const struct stm32_exti_drv_data *drv_data;
+	struct device_node *node;
+	enum stm32_exti_hwspinlock hwlock_state;
+	struct hwspinlock *hwlock;
 };
 
 static struct stm32_exti_host_data *stm32_host_data;
@@ -269,6 +283,64 @@ static int stm32_exti_set_type(struct irq_data *d,
 	return 0;
 }
 
+static int stm32_exti_hwspin_lock(struct stm32_exti_chip_data *chip_data)
+{
+	struct stm32_exti_host_data *host_data = chip_data->host_data;
+	struct hwspinlock *hwlock;
+	int id, ret = 0, timeout = 0;
+
+	/* first time, check for hwspinlock availability */
+	if (unlikely(host_data->hwlock_state == HWSPINLOCK_UNKNOWN)) {
+		id = of_hwspin_lock_get_id(host_data->node, 0);
+		if (id >= 0) {
+			hwlock = hwspin_lock_request_specific(id);
+			if (hwlock) {
+				/* found valid hwspinlock */
+				host_data->hwlock_state = HWSPINLOCK_READY;
+				host_data->hwlock = hwlock;
+				pr_debug("%s hwspinlock = %d\n", __func__, id);
+			} else {
+				host_data->hwlock_state = HWSPINLOCK_NONE;
+			}
+		} else if (id != -EPROBE_DEFER) {
+			host_data->hwlock_state = HWSPINLOCK_NONE;
+		} else {
+			/* hwspinlock driver shall be ready at that stage */
+			ret = -EPROBE_DEFER;
+		}
+	}
+
+	if (likely(host_data->hwlock_state == HWSPINLOCK_READY)) {
+		/*
+		 * Use the x_raw API since we are under spin_lock protection.
+		 * Do not use the x_timeout API because we are under irq_disable
+		 * mode (see __setup_irq())
+		 */
+		do {
+			ret = hwspin_trylock_raw(host_data->hwlock);
+			if (!ret)
+				return 0;
+
+			udelay(HWSPNLCK_RETRY_DELAY);
+			timeout += HWSPNLCK_RETRY_DELAY;
+		} while (timeout < HWSPNLCK_TIMEOUT);
+
+		if (ret == -EBUSY)
+			ret = -ETIMEDOUT;
+	}
+
+	if (ret)
+		pr_err("%s can't get hwspinlock (%d)\n", __func__, ret);
+
+	return ret;
+}
+
+static void stm32_exti_hwspin_unlock(struct stm32_exti_chip_data *chip_data)
+{
+	if (likely(chip_data->host_data->hwlock_state == HWSPINLOCK_READY))
+		hwspin_unlock_raw(chip_data->host_data->hwlock);
+}
+
 static int stm32_irq_set_type(struct irq_data *d, unsigned int type)
 {
 	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
@@ -279,21 +351,26 @@ static int stm32_irq_set_type(struct irq_data *d, unsigned int type)
 
 	irq_gc_lock(gc);
 
+	err = stm32_exti_hwspin_lock(chip_data);
+	if (err)
+		goto unlock;
+
 	rtsr = irq_reg_readl(gc, stm32_bank->rtsr_ofst);
 	ftsr = irq_reg_readl(gc, stm32_bank->ftsr_ofst);
 
 	err = stm32_exti_set_type(d, type, &rtsr, &ftsr);
-	if (err) {
-		irq_gc_unlock(gc);
-		return err;
-	}
+	if (err)
+		goto unspinlock;
 
 	irq_reg_writel(gc, rtsr, stm32_bank->rtsr_ofst);
 	irq_reg_writel(gc, ftsr, stm32_bank->ftsr_ofst);
 
+unspinlock:
+	stm32_exti_hwspin_unlock(chip_data);
+unlock:
 	irq_gc_unlock(gc);
 
-	return 0;
+	return err;
 }
 
 static void stm32_chip_suspend(struct stm32_exti_chip_data *chip_data,
@@ -460,20 +537,27 @@ static int stm32_exti_h_set_type(struct irq_data *d, unsigned int type)
 	int err;
 
 	raw_spin_lock(&chip_data->rlock);
+
+	err = stm32_exti_hwspin_lock(chip_data);
+	if (err)
+		goto unlock;
+
 	rtsr = readl_relaxed(base + stm32_bank->rtsr_ofst);
 	ftsr = readl_relaxed(base + stm32_bank->ftsr_ofst);
 
 	err = stm32_exti_set_type(d, type, &rtsr, &ftsr);
-	if (err) {
-		raw_spin_unlock(&chip_data->rlock);
-		return err;
-	}
+	if (err)
+		goto unspinlock;
 
 	writel_relaxed(rtsr, base + stm32_bank->rtsr_ofst);
 	writel_relaxed(ftsr, base + stm32_bank->ftsr_ofst);
+
+unspinlock:
+	stm32_exti_hwspin_unlock(chip_data);
+unlock:
 	raw_spin_unlock(&chip_data->rlock);
 
-	return 0;
+	return err;
 }
 
 static int stm32_exti_h_set_wake(struct irq_data *d, unsigned int on)
@@ -599,6 +683,8 @@ stm32_exti_host_data *stm32_exti_host_init(const struct stm32_exti_drv_data *dd,
 		return NULL;
 
 	host_data->drv_data = dd;
+	host_data->node = node;
+	host_data->hwlock_state = HWSPINLOCK_UNKNOWN;
 	host_data->chips_data = kcalloc(dd->bank_nr,
 					sizeof(struct stm32_exti_chip_data),
 					GFP_KERNEL);
@@ -625,8 +711,7 @@ stm32_exti_host_data *stm32_exti_host_init(const struct stm32_exti_drv_data *dd,
 
 static struct
 stm32_exti_chip_data *stm32_exti_chip_init(struct stm32_exti_host_data *h_data,
-					   u32 bank_idx,
-					   struct device_node *node)
+					   u32 bank_idx)
 {
 	const struct stm32_exti_bank *stm32_bank;
 	struct stm32_exti_chip_data *chip_data;
@@ -656,8 +741,7 @@ stm32_exti_chip_data *stm32_exti_chip_init(struct stm32_exti_host_data *h_data,
 	if (stm32_bank->fpr_ofst != UNDEF_REG)
 		writel_relaxed(~0UL, base + stm32_bank->fpr_ofst);
 
-	pr_info("%s: bank%d, External IRQs available:%#x\n",
-		node->full_name, bank_idx, irqs_mask);
+	pr_info("%pOF: bank%d\n", h_data->node, bank_idx);
 
 	return chip_data;
 }
@@ -697,7 +781,7 @@ static int __init stm32_exti_init(const struct stm32_exti_drv_data *drv_data,
 		struct stm32_exti_chip_data *chip_data;
 
 		stm32_bank = drv_data->exti_banks[i];
-		chip_data = stm32_exti_chip_init(host_data, i, node);
+		chip_data = stm32_exti_chip_init(host_data, i);
 
 		gc = irq_get_domain_generic_chip(domain, i * IRQS_PER_BANK);
 
@@ -760,7 +844,7 @@ __init stm32_exti_hierarchy_init(const struct stm32_exti_drv_data *drv_data,
 		return -ENOMEM;
 
 	for (i = 0; i < drv_data->bank_nr; i++)
-		stm32_exti_chip_init(host_data, i, node);
+		stm32_exti_chip_init(host_data, i);
 
 	domain = irq_domain_add_hierarchy(parent_domain, 0,
 					  drv_data->bank_nr * IRQS_PER_BANK,
