diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c
index 1425c2874d4028b5140cc74933733a2bf4f8f22b..cd7a5d95b499a1d7d9b70948577d91c840c2806d 100644
--- a/drivers/pinctrl/pinctrl-amd.c
+++ b/drivers/pinctrl/pinctrl-amd.c
@@ -569,15 +569,25 @@ static irqreturn_t amd_gpio_irq_handler(int irq, void *dev_id)
 			    !(regval & BIT(INTERRUPT_MASK_OFF)))
 				continue;
 			irq = irq_find_mapping(gc->irq.domain, irqnr + i);
-			generic_handle_irq(irq);
+			if (irq != 0)
+				generic_handle_irq(irq);
 
 			/* Clear interrupt.
 			 * We must read the pin register again, in case the
 			 * value was changed while executing
 			 * generic_handle_irq() above.
+			 * If we didn't find a mapping for the interrupt,
+			 * disable it in order to avoid a system hang caused
+			 * by an interrupt storm.
 			 */
 			raw_spin_lock_irqsave(&gpio_dev->lock, flags);
 			regval = readl(regs + i);
+			if (irq == 0) {
+				regval &= ~BIT(INTERRUPT_ENABLE_OFF);
+				dev_dbg(&gpio_dev->pdev->dev,
+					"Disabling spurious GPIO IRQ %d\n",
+					irqnr + i);
+			}
 			writel(regval, regs + i);
 			raw_spin_unlock_irqrestore(&gpio_dev->lock, flags);
 			ret = IRQ_HANDLED;