diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index ce603dcbd493..a7e28095026d 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2856,6 +2856,15 @@ static irqreturn_t dwc3_check_event_buf(struct dwc3_event_buffer *evt)
 		return IRQ_HANDLED;
 	}
 
+	/*
+	 * With PCIe legacy interrupt, test shows that top-half irq handler can
+	 * be called again after HW interrupt deassertion. Check if bottom-half
+	 * irq event handler completes before caching new event to prevent
+	 * losing events.
+	 */
+	if (evt->flags & DWC3_EVENT_PENDING)
+		return IRQ_HANDLED;
+
 	count = dwc3_readl(dwc->regs, DWC3_GEVNTCOUNT(0));
 	count &= DWC3_GEVNTCOUNT_MASK;
 	if (!count)