diff --git a/drivers/usb/dwc_otg_310/dwc_otg_hcd_queue.c b/drivers/usb/dwc_otg_310/dwc_otg_hcd_queue.c
index a291ff127eba..1aae0beef392 100644
--- a/drivers/usb/dwc_otg_310/dwc_otg_hcd_queue.c
+++ b/drivers/usb/dwc_otg_310/dwc_otg_hcd_queue.c
@@ -71,8 +71,11 @@ void dwc_otg_hcd_qh_free(dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh)
 			buf_size = hcd->core_if->core_params->max_transfer_size;
 			buf_size = buf_size > 65536 ? 65536 : buf_size;
 		}
+
+		DWC_SPINUNLOCK_IRQRESTORE(hcd->lock, flags);
 		DWC_DEV_DMA_FREE(buf_size, qh->dw_align_buf,
 				 qh->dw_align_buf_dma);
+		DWC_SPINLOCK_IRQSAVE(hcd->lock, &flags);
 	}
 
 	DWC_FREE(qh);