diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index ddfe7718e4a32c62084c45d59d14a3fe0c6fe93b..13843004815c6b1f110419da28ee14bef7178fb4 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -715,9 +715,11 @@ static int dwc3_probe(struct platform_device *pdev)
 	spin_lock_init(&dwc->lock);
 	platform_set_drvdata(pdev, dwc);
 
-	dev->dma_mask	= dev->parent->dma_mask;
-	dev->dma_parms	= dev->parent->dma_parms;
-	dma_set_coherent_mask(dev, dev->parent->coherent_dma_mask);
+	if (!dev->dma_mask) {
+		dev->dma_mask = dev->parent->dma_mask;
+		dev->dma_parms = dev->parent->dma_parms;
+		dma_set_coherent_mask(dev, dev->parent->coherent_dma_mask);
+	}
 
 	pm_runtime_enable(dev);
 	pm_runtime_get_sync(dev);